| Age | Commit message (Collapse) | Author | Files | Lines |
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2005-10-26 20:31 (Minor) fails to compile with undefined reference to setenv
Bump PKGREVISION.
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Bump PKGREVISION.
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Changes to squid-2.5.STABLE12 (22 Oct 2005)
- [Major] Error introduced in 2.5.STABLE11 causing truncated responses
when using delay pools (Bug #1405)
- [Cosmetic] Document that tcp_outgoing_* works badly in combination
with server_persistent_connections (Bug #454)
- [Cosmetic] Add additinal tracing to squid_ldap_auth making
diagnostics easier on squid_ldap_auth configuration errors
(Bug #1395)
- [Minor] $HOME not set when started as root (Bug #1401)
- [Minor] httpd_accel_single_host breaks in combination with
server_persistent_connections (Bug #1402)
- [Cosmetic] Setting CACHE_HTTP_PORT to configure was only partially
implemented, effectively ignored. (Bug #1403)
- [Minor] CNAME based DNS addresses could get cached for longer
than intended (Bug #1404)
- [Minor] Incorrect handling of squid-internal-dynamic/netdb exchanges
in transparently intercepting proxies (Bug #1410).
- [Minor] Cache revalidations on HEAD requests causing poor cache
hit ratio (Bug #1411).
- [Minor] Not possible to send 302 redirects via a redirector in
response to CONNECT requests (bug #1412)
- [Minor] Incorrect handling of Set-Cookie on cache refreshes (Bug
#1419)
- [Major] Segmentation fault crash in rfc1738_do_escape (Bug #1426)
- [Minor] Delay pools class 3 fails on clients in network 255
(Bug #1431)
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o pkgsrc changes: change DIST_SUBDIR to ${PKGNAME_NOREV} only (stop
using time stamp) since squid's patches are provided with revision
if updated.
o official patches:
* 2005-09-28 21:52 (Minor) CNAME adresses remembered with wrong TTL
* 2005-09-28 21:16 (Cosmetic) Defining CACHE_HTTP_PORT does not set
the default http_port
* 2005-09-28 21:07 (Minor) httpd_accel_single_host breaks in combination
with server_persistent_connections
* 2005-09-28 21:07 (Cosmetic) More tracing in test mode of squid_ldap_auth
* 2005-09-28 21:07 (Cosmetic) Document that tcp_outgoing_xxx works badly
in combination with server_persistent_connections
* 2005-09-27 22:29 (Major) Truncated responses when using delay pools
o changes from 2.5.10; most of them are already included in squid 2.5.10nb5
package
Changes to squid-2.5.STABLE11 (22 Sep 2005)
- [Minor] Workaround for servers sending double content-length headers
(Bug #1305)
- [Cosmetic] Updated Spanish error messages by Nicolas Ruiz
- [Cosmetic] Date header corrected on internal objects (icons etc)
(Bug #1275)
- [Minor] squid -k fails in combination with chroot after patch for
bug 1157 (Bug #1307)
- [Cosmetic] Segmentation fault if compiled with
--enable-ipf-transparent but denied access to the NAT device.
(Bug #1313)
- [Minor] httpd_accel_signle_host incompatible with redireection
(Bug #1314)
- [Minor] squid -k reconfigure internal corruption if the type of
a cache_dir is changed (Bug #1308)
- [Minor] SNMP GETNEXT fails if the given OID is outside the Squid MIB
(Bug #1317)
- [Minor] Title in FTP listings somewhat messed up after previous
patch for bug 1220 (Bug #1220)
- [Minor] FTP listings uses "BASE HREF" much more than it needs to,
confusing authentication. (Bug #1204)
- [Minor] winfo_group.pl only looked for the first group if multiple
groups were defined in the same acl. (Bug #1333)
- [Cosmetic] Compiler warnings on some 64-bit platforms (Bug #1316)
- [Cosmetic] Removed some debug output from wb_ntlm_atuh (Bug #518)
- [Cosmetic] The new --with-build-environment=... option doesn't work
- [Cosmetic] New 'mail_program' configuration option in squid.conf
- [Minor] Fails to compile with ip-filter and ARP support on Solaris
x86 (Bug #199)
- [Major] Segmentation fault in sslConnectTimeout (Bug #1355)
- [Medium] assertion failed in StatHist.c:93 (Bug #1325)
- [Minor] More chroot_dir and squid -k reconfigure issues (Bug #1331)
- [Cosmetic] Invalid URLs in error messages when failing to connect
to peer, and a few other inconsistent error messages (Bug #1342)
- [Cosmetic] Fails to compile with glibc -D_FORTIFY_SOURCE=2
(Bug #1344)
- [Minor] Some odd FTP servers respond with 250 where 226 is expected
(Bug #1348)
- [Cosmetic] Greek translation of error messages (Bug #1351)
- [Major] Assertion failed store_status == STORE_PENDING (Bug #1368)
- [Minor] squid_ldap_auth -U does not work (Bug #1370)
- [Minor] SNMP cacheClientTable fails on "long" IP addresses
(Bug #1375)
- [Minor] Solaris Sparc + IP-Filter compile error (Bug #1374)
- [Minor] E-mail sent when cache dies is blocked from many antispam
rules (Bug #1380)
- [Minor] LDAP helpers does not work with TLS (-Z option) (Bug #1389)
- [Cosmetic] Incorrect store dir selection debug message on objects
larger than 2Gigabyte (Bug #1343)
- [Cosmetic] header_id enum misused as an signed integer (Bug #1343)
- [Cosmetic] Allow leaving core dumps when started as root (Bug #1335)
- [Medium] Clients could bypass delay_pool settings by faking a cache
hit request (Bug #500)
- [Minor] IP-Filter 4.X support (Bug #1378)
- [Medium] Odd results on pipelined CONNECT requests
- [Major] Squid crashing with "FATAL: Incorrect scheme in auth header"
when using NTLM authentication.
- [Cosmetic] Odd results when pipeline_prefetch is combined with NTLM
authentication (bug #1396)
- [Minor] invalid host was processed as IP 255.255.255.255 in dst acl
(Bug #1394)
- [Cosmetic] New --with-maxfd=N configure option to override build
time filedescriptor limit test
- [Minor] Added support for Windows code name "Longhorn" on Cygwin.
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- pkgsrc update:
o s/SQUID_BACKEND/SQUID_BACKENDS/ as suggested by pkglint.
o Fix leaving ${PREFIX}/etc/squid/msntauth.conf.default out of PLIST.
o IP Filter related patches are incorporated to squid.
- Add/update official patches:
o 2005-09-15 11:15 (Major) FATAL: Incorrect scheme in auth header
o 2005-09-15 09:56 (Medium) Odd results on pipelined CONNECT requests
o 2005-09-13 23:59 (Minor) Transparent proxy problem with IP Filter
o 2005-09-11 01:53 (Medium) Clients bypassing delay pools by faking a cache
hit
o 2005-09-11 01:42 (Cosmetic) Allow leaving core dumps on Linux
o 2005-09-11 01:21 (Cosmetic) enums can not be assumed to be signed ints
o 2005-09-11 01:21 (Cosmetic) Incorrect store dir selection debug message on
objects >2G
o 2005-09-11 00:57 (Minor) LDAP helpers does not work with TLS (-Z option)
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- pkgsrc changes: check IP filter's header file <ipl.h> as well as
<netinet/ipl.h>.
- Apply recent official patches including a security fix for DoS noted by
http://secunia.com/advisories/16674/
* 2005-09-03 09:41 (Minor) E-mail sent when cache dies is blocked from many
antispam rules
* 2005-09-03 09:41 (Minor) Solaris 10 SPARC transparent proxy build problem
with ipfilter
* 2005-09-01 22:57 (Minor) snmo cacheClientTable fails on "long" IP addresses
* 2005-09-01 22:49 (Minor) squid_ldap_auth -U does not work
* 2005-09-01 22:44 (Major) assertion failed:
store.c:523: "e->store_status == STORE_PENDING"
* 2005-09-01 22:39 (Cosmetic) Greek translation of error messages
* 2005-09-01 22:31 (Minor) Some odd FTP servers respond with 250
where 226 is expected
* 2005-09-01 22:26 (Cosmetic) Fails to compile with glibc -D_FORTIFY_SOURCE=2
* 2005-09-01 22:18 (Cosmetic) Odd URLs when failing to forward request via
parent and several error messages inconsistent
in reported request details
* 2005-09-01 22:09 (Minor) More chroot_dir and squid -k reconfigure issues
* 2005-09-01 21:56 (Medium) assertion failed:
StatHist.c:93: ((int) floor (0.99L + statHistVal(H, 0) - min)) == 0
* 2005-09-01 20:27 (Major) Segmentation fault in sslConnectTimeout
* 2005-08-19 09:31 (Minor) sync redeclarations when support for ARP acls
* 2005-08-14 17:05 (Cosmetic) New 'mail_program' configuration option in
squid.conf
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- Slightly simplify installation of example configurations.
- Add official patches.
* 2005-07-11 00:46 (Cosmetic) The new --with-build-environment=...
option doesn't work
* 2005-07-09 08:58 (Cosmetic) Allow wb_ntlm_auth to run more silent
* 2005-07-03 08:24 (Cosmetic) "make all" gives many warnings
* 2005-06-29 20:36 (Minor) wbinfo_group.pl only looks into the first
group specified
* 2005-06-21 22:28 (Minor) FTP listings uses "BASE HREF" much more than
it needs to,
* 2005-06-22 10:46 (Cosmetic) Title in FTP listings somewhat messed up
* 2005-06-19 21:03 (Minor) SNMP GETNEXT fails if the given OID is
outside the Squid MIB
* 2005-06-19 09:39 (Minor) squid -k reconfigure internal corruption
if the type of a cache_dir is changed
* 2005-06-13 22:55 (Minor) httpd_accel_signle_host incompatible
with redireection
* 2005-06-30 08:49 (Minor) Core dump with --enable-ipf-transparent
if access to NAT device not granted
* 2005-06-27 21:24 (Minor) squid -k fails in combination with chroot
after patch for bug 1157
* 2005-06-09 08:01 (Minor) Squid internal icons served up with slightly
incorrect HTTP headers
* 2005-06-06 21:38 (Cosmetic) Updated Spanish error messages
Bump PKGREVISION.
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- Avoid use of ":ts" modifier of make(1) since NetBSD 1.6.2's make(1)
dosen't support it. It might be fix "diskd" PKG_OPTION problem, too.
- Remove extra "--enable-async-io" configure option.
No PKGREVISION change.
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* squid 2.5.STABLE10 + official + one official patch.
- 2005-05-25 23:01 (Cosmetic) Double content-length often harmless
Other fixes are already done by official patches for squid 2.5.STABLE9.
* Add missing cachemgr.cgi.8 to PLIST.
* Introduce options.mk which may need to be brushed more.
* Drop support for diskd on Darwin since diskd needs System V msg function
which dosen't supported on Darwin.
* Real fix for transparent proxy with IP Filter, fix PR pkg/30085.
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IP Filter 4.1 and later. (It has no problem on IP Filter 3.x, but it is
difficult apply it conditionally with IP Filter's version.)
This apparently fix PR pkg/30085. But note, Squid's transparent proxy
with IP Filter dosen't work. It is worked without IP Filter's NAT process.
So, web acceess through squid may fail for HTTP 1.0 client which dosen't
send Host header.
Bump PKGREVISION (squid-2.5.9nb10).
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- Fix bad PID directory of squid binary introduced by previous pkgsrc.
- Update DIST_SUBDIR through DIST_STAMP since some of patch files
are updated.
- Fix error in doc/Makefile with nbmake.
- Newer patch (aufs improvement) aren't included now.
Bump PKGREVISION.
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o 2005-04-23 01:38 (Minor Security)
Fix for CVE-1999-0710: cachemgr malicouse use
o 2005-04-22 20:48 (Cosmetic) PID file check fails when chrooting
o 2005-04-24 16:35 (Minor)
Make the use of the %m error page to return auth info messages
o 2005-04-22 20:21 (Minor)
Unrecognized cache-control directives are silently dropped
pkgsrc change.
- remove aufs from store I/O backend until it controlled by options.mk
frame work.
- remove patch-cd; it is covered by squid-2.5.STABLE9-transparent_port.patch.
Bump PKGREVISION.
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Add these official patches:
* 2005-03-30 22:51 (Cosmetic)
external acls requiring authentication does not request new
credentials on access denials like proxy_auth does.
* 2005-03-29 09:52 (Cosmetic)
New cachemgr pending_objects and client_objects actions
* 2005-03-26 23:53 (Minor) rename() related cleanup
* 2005-03-30 22:51 (Medium)
Fails to process requests for files larger than 2GB in size
* 2005-03-19 23:57 (Cosmetic)
aufs warning about open event filedescriptors on shutdown
* 2005-03-19 01:35 (Minor) --disable-hostname-checks not working
* 2005-03-19 01:11 (Cosmetic) LDAP helpers fails to compile with SUN LDAP SDK
* 2005-03-21 20:44 (Minor)
CONNECT requests truncated if client side disconnects first
assertion failed: comm.c:430: "ntohs(address->sin_port) != 0"
* 2005-03-19 00:25 (Minor)
Basic authentication fails with very long logins or password
* 2005-03-29 08:45 (Minor) Several minor aufs issues
* 2005-03-09 15:46 (Cosmetic)
Extend relaxed_header_parser to work around "excess data from"
errors from many major web servers.
* 2005-03-09 15:46 (Cosmetic)
Duplicate content-length headers logged as conflicting with
relaxed_header_parser off
* 2005-03-09 15:46 (Cosmetic)
Defer digest fetch if the peer is not allowed to be used
* 2005-03-10 23:38 (Minor) Incorrect use of ctype functions
* 2005-03-15 04:27 (Minor) compile warnings due to pid_t not being an int
* 2005-03-09 15:46 (Minor)
bzero is a non-standard function not available on all platforms
* 2005-03-09 15:46 (Cosmetic)
Check several squid.conf directives for int overflows
* 2005-03-09 15:46 (Cosmetic) Clarify delay_access function
* 2005-03-09 15:46 (Minor)
reload_into_ims fails to revalidate negatively cached entries
* 2005-03-09 15:46 (Minor) Handle odd date formats
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Most of these changes are already included in previous squid-2.5.7nb12.
But last one is really new one.
Changes to squid-2.5.STABLE8 (11 Feb 2005)
- [Minor] 100% CPU usage on half-closed PUT/POST requests (Bug #354,
#1096)
- [Cosmetic] Document -v (protocol version) option to LDAP helpers
- [Minor] The new req_header and resp_header acls segfaults
immediately on parse of squid.conf (Bug #961)
- [Minor] Failure to shut down busy helpers on -k rotate/reconfigure
(Bug #1118)
- [Minor] Don't use O_NONBLOCK on disk files. (Bug #1102)
- [Minor] Squid fails to close TCP connection after blank HTTP
response (Bug #1116)
- [Minor security] Random error messages in response to malformed
host name (Bug #1143)
- [Minor] PURGE should not be able to delete internal objects
(Bug #1112)
- [Minor] httpd_accel_port 0 (virtual) not working correctly (Bug
#1121)
- [Minor] cachemgr vm_objects segfault (Bug #1149)
- [Minor security] Confusing results on empty acl declarations (Bug
#1166)
- [Minor] Don't close all "other" filedescriptors on startup (Bug
#1177)
- [Minor] fakeauth_auth memory leak and NULL pointer access (Bug
#1183)
- [Security] buffer overflow bug in gopherToHTML() (Bug #1189)
- [Medium security] Denial of service with forged WCCP messages
(Bug #1190)
- [Minor] DNS related memory leak on certain malformed DNS responses
(Bug #1197)
- [Minor] Internal DNS sometimes truncates host names in reverse
(PTR) lookups (Bug #1136)
- [Minor Security] Add sanity checks on LDAP user names (Bug #1187)
- [Security] Harden Squid agains HTTP request smuggling attacks
- [Minor] Icon URLs fails in non-anonymous FTP directory listings is
short_icon_urls is on (Bug #1203)
- [Security] Harden Squid agains HTTP response splitting attacks
(Bug #1200)
- [Medium security] Buffer overflow in WCCP recvfrom() call
(Bug #1217)
- [Security] Properly handle oversized reply headers (Bug #1216)
- [Minor] LDAP helpers search fixed to properly ask for no attributes
- [Minor] A sporadic segmentation fault when using ntlm authentication
fixed (Bug #1127)
- [Major] Segmentation fault on failed PUT/POST requests (Bug #1224)
- [Medium] Persistent connection mismatch on failed PUT/POST request
(Bug #1122)
- [Minor] WCCP easily disturbed by forged packets (Bug #1225)
- [Minor] Password management in ftp:// gatewaying improved (Bug #1226)
- [Major] HTTP reply data corruption in certain situations involving
reply headers split over multiple packets (Bug #1233)
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* Apply official three patches.
- 2004-12-08 01:03 (Minor) cachemgr vm_objects segfault
- 2004-12-08 00:47 (Minor) httpd_accel_port 0 (virtual) not working correctly
- 2004-12-07 23:45 (Cosmetic / Minor Security issue) Random error messages
in response to malformed host name
* use VARBASE for data directory.
* better handling data directory and user and group for squid with
bsd.pkg.install.mk.
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This includes security problem with SNMP support which enabled by default.
<http://www.idefense.com/application/poi/display?id=152&type=vulnerabilities>
* pkgsrc changes:
- Don't use PKGNAME within DIST_SUBDIR. Instead, date based DIST_STAMP.
This change prevent extra DIST_SUBDIR change asked by kim@.
- Remove setproctitle(3) hack for dnsserver helper program since use of
dnsserver itself is problematic with huge size of squid process.
* Changes to squid-2.5.STABLE7 (11 Oct 2004)
- [Medium] No objects cached in ufs cache_dir type in some
configurations. Issue introduced in 2.5.STABLE6 by the patch for
Bug #676. (Bug #1011)
- [Minor] LDAP helpers update to correct LDAP connection management
and add support for literal password compare instead of binding
- [Minor] A large number of queued DNS lookups for the same domain
(Bug #852)
- [Cosmetic] request_header_max_size configuration partly ignored
(Bug #899)
- [Minor] Partial hit results in TCP_HIT, not TCP_MISS. (Bug #1001)
- Bug #1012: [Cosmetic] HEAD requests may return stale information
(Bug #1012)
- [Cosmetic] Warn if cache_dir ufs can not create files. (Bug #918)
- [Minor] case insensitive authentication (Bug #431)
- [Cosmetic] Add delay pools information to active_requests. (Bug
#882)
- [Minor] Apparent memory leak in client_db (Bug #833)
- [Minor] NTLM authentication truncated causing failures. (Bug
#1016)
- [Cosmetic] Grammatical corrections in squid.conf.default
- [Cosmetic] Unknown %X errorpage codes incorrectly quoted. (Bug
#1030)
- [Medium] Segfaults and other strange crashes when using heap
policies. (Bug #1009)
- [Minor] Supplementary group memberships not set (Bug #1021)
- [Cosmetic] ERR_TOO_BIG Portugese translation
- [Minor] external_acl does not handle newlines (Bug #1038)
- [Major] NTLM authentication denial of service when using msnt_auth
or fake_auth (Bug #1045)
- [Medium] Memory leaks when using NTLM authentication without
challenge reuse. (Bug #994)
- [Minor] Temporary NTLM memory leak with challenge reuse enabled
(Bug #910)
- [Minor] assertion failed: "n_ufs_dirs <=
Config.cacheSwap.n_configured". (Bug #1053)
- [Minor] Segfault in authenticateDigestHandleReply. (Bug #1031)
- [Minor] acl time fails to parse multiple time specifications
(Bug #1060)
- [Minor] cachemgr config dumps mixed up Range and Request-Range
headers in http_header_access & replace directives. (Bug #1056)
- [Minor] Content-Disposition added as a well known header (Bug #961)
- [Cosmetic] Don't warn about arp acls not being supported on FreeBSD
(Bug #1074)
- [Cosmetic] Limit internal send/receive buffer sizes (Bug #1075)
- [Medium] New acl types to match arbitrary HTTP headers. In addition
the http_header_access & replace directivess now support arbitrary
headers and not only the well known ones. (Bug #961)
- [Cosmetic] ncsa_auth now accepts Window formatted password files
(Bug #1078)
- [Cosmetic] Support the --program-prefix/suffix options or other
configure program name transforms (Bug #1019)
- [Minor] Fix race condition in CONNECT and also handle aborts of
CONNECT requests in a more graceful manner. (Bug #859)
- [Minor] New balance_on_multiple_ip directive to work around certain
broken load balancers and optimized ipcache on reload requests
(Bug #1058)
- [Medium] New reply_header_max_size directive (Bug #874)
- [Minor] Suspected instability on aborted PUT/POST requests (Bug #1089)
- [Security] SNMP Denial of Service fix (CAN-2004-0918)
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- Add 9 official patches.
Bump package revision, squid-2.5.6nb3.
* 2004-09-30 09:28 (Minor) CARP ignores cache_peer_domain/cache_peer_access
* 2004-09-27 18:23 (Minor) balance_on_multiple_ip squid.conf directive
* 2004-09-27 18:10 (Minor) Race window and poor responsiveness to aborted
CONNECT requests
* 2004-09-25 21:42 (Cosmetic) Support the --program-prefix and other program
name transforms
* 2004-09-25 21:08 (Cosmetic) Document the caseinsensitive basic auth option
* 2004-09-25 20:57 (Cosmetic) ncsa_auth is sensitive on line ending format
* 2004-09-25 12:00 (Medium) Add support for arbitrary headers acess controls
* 2004-09-26 21:22 (Minor) Limit internal send/receive buffers
* 2004-09-25 09:55 (Cosmetic) arp acls is supported on FreeBSD these days..
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Squid 2.5.STABLE5 to 2.5.STABLE6:
* Several "Assertion error" bugs fixed
* Several "Segmentation fault" bugs fixes
* Corrects a security issue in the old ntlm_auth NTLM helper used in transparent NTLM authentication to a NT domain without using samba.
* Processing of Vary: * and Vary on error messages corrected
* a large number of minor and cosmetic bugfixes. See the list of squid-2.5.STABLE5 patches and the ChangeLog file for details.
2.5.STABLE56 official patches:
* 2004-08-20 08:18 (Major) NTLM authentication denial of service
* 2004-08-14 21:07 (Minor) external_acl does not handle newlines
* 2004-08-09 14:03 (Minor) Supplementary group memberships not set
* 2004-08-05 20:33 (Medium) Segfaults and other strange crashes when using heap policies
* 2004-08-06 11:05 (Cosmetic) Unknown %X errorpage codes incorrectly quoted
* 2004-08-17 12:22 (Cosmetic) Grammatical corrections in squid.conf.default
* 2004-07-27 21:52 (Minor) NTLM authentication truncated
* 2004-07-17 22:43 (Minor) Memory leak in client_db
* 2004-07-17 20:11 (Cosmetic) Add delay pools information to active_requests
* 2004-07-17 19:57 (Minor) case insensitive authentication
* 2004-07-17 19:48 (Cosmetic) Warn if cache_dir ufs can not create files
* 2004-07-17 16:33 (Cosmetic) HEAD requests may return stale information
* 2004-07-17 16:33 (Minor) Partial hit results in TCP_HIT, not TCP_MISS
* 2004-07-17 16:33 (Cosmetic) request_header_max_size configuration option doesn't work correctly
* 2004-07-29 13:29 (Minor) A large number of queued DNS lookups for the same domain
* 2004-08-10 09:40 (Minor) LDAP helpers update
* 2004-07-14 16:29 (Medium) storeCreate: no valid swapdirs for this object
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Bug #753: va_copy required
Bug #995: segfault on long URLs (bug in previous patch to Bug #753)
And reduce offset from pkgsrc's patches.
Bump package revision.
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Changes to squid-2.5.STABLE3 (25 May 2003):
- Bug #573: Occational false negatives in external acl lookups
- Bug #577: assertion failed: cbdata.c:224: "c->y == c" when
external_acl helpers crashes
- Bug #590: Squid may hang or behave oddly on shutdown while
requests is being processed.
- Bug #590: external acl lookups does not deal well with queue
overload
- cache_effective_user documentation update
- cache_peer documentation update for htcp and carp
- Bug #600: The example header_access paranoid setting is
missing WWW-Authenticate
- Bug #605: Segmentation fault in idnsGrokReply() on certain
platforms
- Fixes to build properly on AIX 5
- Bug #574: wb_group updated to version 1.1 to make group names
case insensitive and correct a segfault issue in the helper
- SNMP mib updates to make cacheNumObjCount,
cacheCurrentUnlinkRequests, cacheCurrentSwapSize and cacheClients
correctly report as gauges (was reporting as counters).
- Woraround for --enable-ssl Kerberos issue on RedHat 9
- Bug #579: Close and repopen log files on "squid -k reconfigure"
- Bug #598: squid_ldap_auth could segfault if LDAP server is
unavailable
- Bug #609,#612: msntauth helper fixes in dealing with large
or non-existing allow/deny user files.
- Bug #620: acl ident REQUIRED matches even if the ident lookup fails
- Bug #432: reply_body_max_size fails with ident or proxy_auth acls
and also fails to block large objects where the content-length
is not known
- Bug #606: Basic auth looping and gets stuck at high CPU usage when
multiple proxy_auth ACLs combined in one line and login fails.
- squid_ldap_auth updated with support for TLS and SSL
- Bug #623: segfault if using negated external acls in certain
configurations involving other acls later on the same http_access
line.
- Bug #622: wb_group helper update to version 1.2 to ass support for
Domain-Qualified groups refering to groups in a specific domain
- Bug #596: logic error in poll() error management
- Bug #597: logic errors in error management
- Bug #591: segmentation fault in authentication on "squid -k debug"
- Bug #587: smb_auth fails on complex logins involving domain names
or other odd characters
- Bug #558, #587: smb_auth.pl fails on complex logins involving
domain names or other odd characters
- Bug #643: external_acl fails with ttl=0 due to a change introduced
by the patch for Bug #553 in 2.5.STABLE2.
- Bug #630: minor issues in digest authantication causing random
authentication failures and incompability with many mainstream
browser digest implementations due to browser qop bugs. To deal
with those broken browser nonce_stricness now defaults to off,
and two new digest options have been added (check_nonce_count
and post_workaround) to allow workarounds to other quite bad
browser bugs if needed.
- Bug #644: digest authentication fails on requests with one
or more comma in the requested URL
- Bug #648: deny_info TCP_RESET not working. The fix for this also
adds the ability to send redirects.
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pkgsrc change: install some supplemental documents.
Changes to squid-2.5.STABLE2 (Mars 17, 2003):
- Contrib files added back to the distribution
- Several compiler warnings fixed when using --disable-ident or
--disable-http-violations
- authentication can now be used in most access controls, but
must in most cases first be enforced in http_access to force
the user to authenticate.
- cleanups in the developer bootstrap.sh process when preparing
the sources.
- several squid.conf.default documentation updated to correctly
refer to the current names when refering to other directives
- authenticate_ip_ttl documentation updates
- several assertion faults and segmentation violations corrected
- the RunCache/RunAccel and squid.rc scripts updated to refer to
the squid binary in sbin rather than the old bin location.
- squid_ldap_auth command line processing fixes when specifying
the LDAP server last on the line instead of -h option
- aufs data corruption bugfix
- aufs performance improvement for low traffic systems
- aufs stability improvements
- external_acl corrected to properly deal with quoted strings
- WCCPv1 bugfix to make sure the router accepts the hash assignments
- "Total accounted memory" now correctly reported in cachemgr
- several small memory leaks (mostly reconfigure related)
- new squid.conf option to allow GET/HEAD requests with a request
entity
- "make uninstall" no longer removes squid.conf
- cachemgr.cgi now uses POST to avoid having the cachemgr password
logged in the web server logs
- authentication schemes which are known to not be proxyable are now
filtered out from forwarded server replies to avoid that the clients
tries to use such schemes when we know for a fact it won't work
- spelling corrections in various error messages
- now possible to define acl values with spaces in them
by using the "include file" feature
- squid_ldap_group updated to 2.10 to fix compilation issues with
recent (and older) OpenLDAP libraries and to make the helper deal
correctly with true LDAP groups by first looking up the user DN.
- Some internal code cleanups
- now verifies that programs etc exists iside the chroot directory
when using chroot_dir. No longer neccesary to set up a split view
environment where the same paths works both inside the chroot and
outside just to convince Squid that the files is actually there..
- improved memory usage reporting
- --disable-hostname-checks configure option
- no longer ignores double dots in host names. Any hostname with
double dots is now rejected as invalid.
- log_mime_hdrs no longer logs garbage if very long headers
are seen.
- 'select_fds_hist' object added to cachemgr 'histogram' output
- pid file now unlinked when squid has really shut down, not
immediately when the shutdown request is received. This allows
the pid file to be monitored to determine when Squid has shut down
properly
- correct authentication scheme setups on some platforms or compilers
- several squid.conf.default documentation updates to remove references
to renamed or replaced directives by changing them to their current
names.
- the SSL reverse proxy support updated to allow building with
OpenSSL 0.9.7 and and later.
- Corrected a minor performance problem while processing HEAD replies
from various broken web servers not sending a correct HTTP reply
- time acls can now specify multiple times in the same acl name, like
most other acl types.
- winbind helpers updated to match Samba-2.2.7a and should
work with Samba-2.2.6 or later (required). For compability with
older Samba versions A new configure option --with-samba-sources=...
has been added to allow you to specify which Samba version the
helpers should be built for if different than the above versions.
- Squid MIB definition syntax correction to work better with newer
(and older) SNMP tools.
- Fixed access.log format when logging "error:invalid-HTTP-ident" on
requests where parsing the HTTP identifier (HTTP/1.0) failed.
- "make distclean" no longer removes the icons, this avoids the
dependency on "uudecode" to rebuild Squid after "make distclean"
- User name returned by external acl lookups (external_acl_type)
is now available as "ident" in later acl checks in addition to
the logging in access.log.
- Incorrect behaviour of Digest authentication partly corrected - it
will not handle sessions, but will always enforce password
correctness.. (patch submitted by Sean Burford).
- Issue with persistent connections and PUT/POST request corrected
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- include more official squid patches.
o Make external_acl user names available as IDENT in later acl processing
o digest authentication security issue
o external_acl Assertion failed: auth_user_request != NULL
o make install fails to install icons after make distclean
o "error: invalid HTTP-ident" breaks log processing
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since it is broken (reported to squid-bugs@squid-cache.org.)
- use DIST_SUBDIR.
- bump PKG_REVISION.
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since it is broken (reported to squid-bugs@squid-cache.org.)
- use DIST_SUBDIR.
- bump PKG_REVISION.
These patches fixes those problem. See
<http://www.squid-cache.org/Versions/v2/2.5/bugs/> in detail.
o Squid MIB definition syntax error
o winbind helpers fail to work with Samba 2.2.6 or later
o CONNECT data corruption if client pipelines data before 200 OK reply
o time acls only accept a single time
o Client performance issue with HEAD requests to certain servers
o --with-ssl fails to compile with OpenSSL 0.9.7 or later
o Slow filedescriptor leak for /etc/hosts
o Warn if cachemgr_passwd is specified more than once for the same action
o assertion failed: forward.c:96: "fwdState->err" on shutdown
o Compilation fails if incorrect --with-auth-threads=NN option is given
o squid.conf documentation still refers to authenticate_program
o authenticateAuthenticate: no connection data, cannot process
authentication
o delay_pools example does not match text
o cachemgr helper stats cleanup
o Segmentation fault after ftpDataWriteCallback
o Issues with auth scheme configurations
o Removed Cachable stats "no.non_get"
o unclear documentation of http_reply_body_max_size
o The pid file was removed too early in the shutdown process
o select loops statistics incorrect when using select()
o Added select filedescriptor histogram output to cachemgr
o Duplicate assignment of sc->copy_offset
o mem_pool_free_calls should be printed as a unsigned integer
o Internal cleanup of peer selection accounting
o log_mime_hdrs can show garbage in the access log on overly long request
headers
o Improved memory usage statistics via sbrk
o Hostname cleanups performed by Squid
o cachemgr failure_ratio is a ratio, not percentage
o offline_toggle cachemgr documentation
o squid_ldap_group update to version 2.10
o Documentation update to remove stale reference to Squid-1.1 release notes
o further safeguards for aufs compilation problems when not using
--enable-pthreads
o chroot_dir complains about all paths in squid.conf
o Segfault when using -S in combination with cache_dir coss/null
o Stale cached data miss in offline_mode
o Sometimes crashes while rebuilding dirty cache directories
o RunCache/RunAccel scripts still looks for squid in bin
o poor performance when using aufs
o squid_ldap_group link failure
o assertion failed: comm.c:646: "F->flags.open"
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fixes build on (at least) Darwin 6.2.
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It cause error on Solaris. (Why NetBSD's make was OK?)
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http://www.squid-cache.org/Versions/v2/2.5/bugs/.
Now try to install more authentication modules, but those modules
should be handled by proper frame work (Curretly, SASL modules
aren't handled).
Changes to squid-2.5 ():
- Major rewrite of proxy authentication to support other schemes
than basic. First in the line is NTLM support but others can
easily be added (minimal digest is present). See Programmers Guide.
(Robert Collins & Francesco Chemolli)
- Reworked how request bodies are passed down to the protocols.
Now all client side processing is inside client_side.c, and
the pass and pump modules is no longer used.
- Optimized searching in proxy_auth and ident ACL types. Squid should
now handle large access lists a lot more efficiently.
(Francesco Chemolli)
- Fixed forwarding/peer loop detection code (Brian Degenhardt) -
now a peer is ignored if it turns out to be us, rather than
committing suicide
- Changed the internal URL code to obey appendDomain for internal
objects if it needs appending. This fixes weirdnesses where
a machine can think it is "foo.bar.com", and "foo" is requested.
(Brian Degenhardt)
- Added the use of Automake to create the Makefile.in's in the squid
source tree. This will allow libtool in the future, and immediately
allows better dependency tracking - with or without gcc - as well
as the dist-all and distcheck targets for developers which respectively
build a tar.gz and a tar.bz2 distribution, and check that what will be
distributed builds.
- Added TOS and source address selection based on ACLs,
written by Roger Venning. This allows administrators to set
the TOS precedence bits and/or the source IP from a set of
available IPs based upon some ACLs, generally to map different
users to different outgoing links and traffic profiles.
- Added 'max-conn' option to 'cache_peer'
- Added SSL gatewaying support, allowing Squid to act as a SSL server
in accelerator setups.
- SASL authentication helper by Ian Castle
- msntauth updated to v2.0.3
- no_cache now applies to cache hits as well as cache misses
- the Gopher client in Squid has been significantly improved
- Squid now sanity checks FTP data connections to ensure the
connection is from the requested server. Can be disabled if
needed by turning off the ftp_sanitycheck option.
- external acl support. A mechanism where flexible ACL checks
can be driven by external helpers. See the external_acl_type
and acl external directives.
- Countless other small things and fixes
- HTML pages generated by Squid or CacheMgr as well as the
ERR documents now contain a doctype declaration so that
browsers know which HTML specification the document uses.
In addition to that they have a new look (background-color, font)
and are valid according to the HTML standards at www.w3.org.
(Clemens Löser)
- Login and password send to Basic auth helpers is now URL escaped
to allow for spaces and other "odd" characters in logins and
passwords
- Proxy Authentication is no longer blindly forwarded to peer
caches if not used locally. If forwarding of proxy authentication
is desired then it must now be configured with the login=PASS
cache_peer option.
- Responses with Vary: in the header are now cached by squid.
(Henrik Nordstrom).
- Removed unused 'siteselect_timeout' directive.
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PR pkg/15775 by Kimmo Suominen.
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already checked in configure script, but it is need to define/undef in
a generated header file.
Bump to squid 2.4.4nb1.
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Check setproctitle in the configure script and remove the define
in patch-ba.
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- replace a hack adding fd_mask definition in autoconf.h with re-writing
configure script. It cause to run configure twice and result "no fd_mask".
- Incorporate three official patches from
http://www.squid-cache.org/Versions/v2/2.4/bugs/.
o SNMP memory leaks
synopsis
The SNMP implementation in Squid had several memory leaks
possibly causing an denial of service.
workaround
Disable the SNMP port if enabled by using "snmp_port 0" in
squid.conf. Or if you only use SNMP for MRTG data
collection running on the same host then use
"snmp_incoming_address 127.0.0.1" to limit reachability
of the SNMP port to only localhost or some other trusted
network.
o Coredump on certain ftp:// style URL's
synopsis
If certain constructed ftp:// style URL's are received then
squid crashes, causing a denial of service and maybe even
remote execution of code.
workaround
Deny forwarding of non-anonymous FTP URLs by inserting
the following rules at the top of squid.conf, prior to
any http_access allow lines.
acl non_anonymous_ftp url_regex -i ftp://[^/@]*@
http_access deny non_anonymous_ftp
o "htcp_port 0" fails to disable the HTCP port
synopsis
"htcp_port 0" fails to completely disable the HTCP port as
documented in squid.conf, instead HTCP will be listening on
a random port number.
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from "Ciarcinski, Adam \(ISS Brussels\)" <ACiarcinski@iss.net>.
From ChangeLog:
Changes to Squid-2.4.STABLE3 (Nov 28, 2001):
- Fixed bug #255: core dump on SSL/CONNECT if access denied by
miss_access
- Fixed bug #246: corrupt on-disk meta information preventing
rebuilds of lost swap.state files
- Fixed bug #243: squid_ldap_auth now supports spaces in passwords
- Fixed a coredump when creating FTP directories
- Fixed a compile time problem with statHistDump prototype mistmatch,
reported by some compilers
- Fixed a potential coredump situation on snmpwalk in certain
configurations
- Fixed bug #229: filedescriptor leakage in the "aufs" cache_dir
store implementation
- Serbian error message translations
I added following changes, too.
o honor PKG_SYSCONFDIR keep SQUID_SYSCONFDIR effective.
o Add --disable-internal-dns. This made external dnsserver
available. External dnsserver could be disabled with configuration
file.
o Enable optimization with "-O".
o Fix a problem to access nat device when transparent proxy enabled.
This fix will be contained in squid 2.5 release.
o setproctitle() hack for external dnsserver from daemonnews's article.
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installed into "etc/squid" (and are not moved arround after installation).
The message of the install script matches the actual layout again and is
adapted to changes to "SQUID_SYSCONFDIR".
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include his improved "rc.d" script.
- Use the same directory structure as in the Apache package. The
configuration files are now in "${PREFIX}/etc/squid" and won't be
removed during deinstallation.
- Remove unnecessary configuration variables "SQUID_HTTP_PORT" and
"SQUID_ICP_PORT". These values can perfectly be adjusted by editing
the configuration file and supporting all these variables would make
the package too complex.
- Bump the version number to 2.4.1nb1.
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o add $NetBSD$ RCS tag to patch-ab
o regen distinfo
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- Fixed a bug in and cleaned up class 2/3 delay pools incrementing.
- Fixed a coredump bug when using external dnsservers that become overloaded.
- Fixed some NULL pointer bugs for NULL storage system when reconfiguring.
- Fixed a bug with useragent logging that caused Squid to think the logfile
never got opened.
- Fixed a compiling bug with --disable-unlinkd.
- Changed src/squid.h to always use O_NONBLOCK on Solaris if it is defined.
- Fixed a bug with signed/unsigned bitfield flag variables that caused
problems on Solaris.
- Fixed a bug in clientBuildReplyHeader() that could add an Age: header with
a negative value, causing an assertion later.
- Fixed an SNMP reporting bug. cacheCurrentResFileDescrCnt was returning
the number of FDs in use, rather than the number of reserved FDs.
- Added the 'pipeline_prefetch' configuration option.
- cache_dir syntax changed to use options instead of many arguments. This
means that the max_objsize argument now is an optional option, and that
the syntax for how to specify the diskd magics is slightly different.
- Various fixes for CYGWIN
- Upgraded MSNT auth module to version 2.0.
- Fixed potential problems with HTML by making sure all HTML output is
properly encoded.
- Fixed a memory initialization problem with resource records in
lib/rfc1035.c.
- Rewrote date parsing in lib/rfc1123.c and made it a little more lenient.
- Added Cache-control: max-stale support.
- Fixed 'range_offset_limit' again. The problem this time is that
client_side.c wouldn't set the we_dont_do_ranges flag for normal cache
misses. It was only being set for requests that might have been hits,
but we decided to change to a miss.
- Added the Authenticate-Info and Proxy-Authenticate-Info headers from
RFC 2617.
- HTTP header lines longer than 64K could cause an assertion.
Now they get ignored.
- Fixed an IP address scanning bug that caused "123.foo.com" to be
interpreted as an IP address.
- Converted many structure allocations to use mem pools.
- Changed proxy authentication to strip leading whitespace from usernames
after decoding.
- Prevented NULL pointer access in aclMatchAcl(). Some ACL types require
checklist->request_t, but it won't be available in some cases (like
snmp_access). Warn the admin that the ACL can't be checked and that
we're denying it.
- Allow zero-size disk caches.
- The actual filesystem blocksize is now used to account
for space overheads when calculating on-disk cache size.
- Made the maximum memory cache object size configurable.
- Added 'minimum_direct_rtt' configuration option.
- Added 'ie_refresh' configuration option, which is a hack
to turn IMS requests into no-cache requests.
- Added Linux netfilter support for intercepted connections.
- Fixed a bug with clientAccessCheck() that allowed proxy
requests in accel mode.
- Fixed a bug with 301/302 replies from redirectors. Now
we force them to be cache misses.
- Accommodated changes to the IP-Filter ioctl() interface
for intercepted connections.
- Fixed handling of client lifetime timeouts.
- Fixed a buffer overflow bug with internal DNS replies
by truncating received packets to 512 bytes, as per
RFC 1035.
- Added "forward.log" support, but its work in progress.
- Rewrote much of the IP and FQDN cache implementation.
This change gets rid of pending hits.
- Changed peerWouldBePinged() to return false if our
ICP/HTCP port is zero (i.e. disabled).
- Changed src/net_db.c to use src/logfile.c routines,
rather than stdio, because of solaris stdio filedescriptor
limits.
- Made netdbReloadState() more robust in case of corrupted
data.
- Rewrote some freshness/staleness functions in src/refresh.c,
partially inspired to support cache-control max-stale.
- Fixed status code logging for SSL/CONNECT requests.
- Added a hack to subtract cache digest network traffic
from statistics so that byte hit ratio stays positive
and more closely reflects what people expect it to be.
- Fixed a bug with storeCheckTooSmall() that caused
internal icons and cache digests to always be released.
- Added statfs(2) support for displaying actual filesystem
usage in the cache manager 'storedir' output.
- Changed status reporting for storage rebuilding. Now it
prints percentage complete instead of number of entries
parsed.
- Use mkstemp() rather than problem-prone tempnam().
- Changed urlParse() to condense multiple dots in hostnames.
- Major rewrite of async-io (src/fs/aufs) to make it behave
a bit more sane with substantially less overhead. Some
tuning work still remains to make it perform optimal.
See the start of store_asyncufs.h for all the knobs.
- Fixed storage FS modules to use individual swap space
high/low values rather than the global ones.
- Fixed storage FS bugs with calling file_map_bit_reset()
before checking the bit value. Calling with an invalid
value caused memory corruption in random places.
- Prevent NULL pointer access in store_repl_lru.c for
entries that exist in the hash but not the LRU list.
- Added --enable-auth-modules=... configure option
- Improved ICP dead peer detection to also work when the workload
is low
- Improved TCP dead peer detection and recovery
- Squid is now a bit more persistent in trying to find a alive
parent when never_direct is used.
- nonhierarchical_direct squid.conf directive to make non-ICP
peer selection behave a bit more like ICP selection with respect
to hierarchy.
- Bugfix where netdb selection could override never_direct
- ICP timeout selection now prefers to use parents only when
calculating the dynamic timeout to compensate for common RTT
differences between parents and siblings.
- No longer starts to swap out objects which are known to be above
the maximum allowed size.
- allow-miss cache_peer option disabling the use of "only-if-cached".
Meant to be used in conjunction with icp_hit_stale.
- Delay pools tuned to allow large initial pool values
- cachemgr filesystem space information changed to show useable space
rather than raw space, and platform support somewhat extended.
- Logs destination IP in the hierarchy log tag when going direct.
(can be disabled by turning log_ip_on_direct off)
- Async-IO on linux now makes proper use of mutexes. This fixes some
odd pthread segfaults on SMP Linux machines, at a slight performance
penalty.
- %s can now be used in cache_swap_log and will be substituded with
the last path component of cache_dir.
- no_cache is now a full ACL check without, allowing most ACL types
to be used.
- The CONNECT method now obeys miss_access requirements
- proxy_auth_regex and ident_regex ACL types
- Fixed a StoreEntry memory leak during "dirty" rebuild
- Helper processes no longer hold unrelated filedescriptors open
- Helpers are now restarted when the logs are rotated
- Negatively cached DNS entries are now purged on "reload".
- PURGE now also purges the DNS cache
- HEAD on FTP objects no longer retreives the whole object
- More cleanups of the dstdomain ACL type
- Squid no longer tries to do Range internally if it is not supported
by the origin server. Doing so could cause bandwidth spikes and/or
negative hit ratio.
- httpd_accel_single_host squid.conf directive
- "round-robin" cache_peer counters are reset every 5 minutes to
compensate previously dead peers
- DNS retransmit parameters
- Show all FTP server messages
- squid.conf.default now indicates if a directive isn't enabled in
the installed binary, and what configure option to use for enabling it
- Fixed a temporary memory leak on persistent POSTs
- Fixed a temporary memory leak when the server response headers
includes NULL characters
- authenticate_ip_ttl_is_strict squid.conf option
- req_mime_type ACL type
- A reworked storage system that supports storage directories in
a more modular fashion. The object replacement and IO is now
responsibility of the storage directory, and not of the storage
manager.
- Fixed a bogous MD5 mismatch warning sometimes seen when using
aufs or diskd stores
- Added --enable-stacktraces configure option to set PRINT_STACK_TRACE,
and extended support for this to Linux/GNU libc.
- Disabled the "request timeout" error message sent if the user agent
did not provide a request in a timely manner after opening the
connection. Now the connection is silently closed. The error message
was confusing user agents utilizing persistent connections.
- Fixed configure --enable descriptions to match the arg names.
- Eliminated compile warnings from auth_modules/MSNT code.
- Require first character of hostnames to be alphanumeric.
- Made ARP ACL work for Solaris.
- Removed storeClientListSearch().
- Added counters to track diskd operation success and
failures.
- Fixed range_offset_limit.
- Added code to retry ServFail replies for internal DNS
lookups.
- Added referer header logging (Jens-S. Voeckler).
- Added "multi-domain-NTLM" authentication module, a Perl
script from Thomas Jarosch.
- Added configurable warning messages for high memory usage,
high response time, and high page faults.
- Made store dir selection algorithm configurable.
- Added support for admin-definable extension methods,
up to 20.
- Added 'maximum_object_size_in_memory' as a configuration option -
this defines the watermark where objects transit from being true
hot objects to being in-transit objects in memory. It currently
defaults to 8 KB.
- Change to the fqdn code which changes how pending DNS requests
are treated as private and only become public once they are
completed. This can add extra load on DNS servers but prevents
all the pending clients blocking if one of the queries got
stuck. (Duane Wessels)
- Converted more code to use MemPools, from Andres Kroonmaa.
- Added more CYGWIN patches from Robert Collins.
- Added Logfile module.
- Added DISKD stats via cachemgr.
- Added squid.conf options for DISKD magic constants.
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headers to log into access log when log_mime_hdrs is on
the change will be sent to Squid maintainers for possible future inclusion
shortly
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Important Changes:
- offline_toggle
You can now toggle the 'offline_mode' option from the cache manager.
- minimum_object_size
Added the 'minimum_object_size' option. Files smaller than this size are
not cached.
- passive_ftp
If your firewall doesn't allow passive FTP transfers, you can tell Squid
to use PORT instead by turning the 'passive_ftp' option off.
- wccp_version
Some Cisco IOS versions expect to receive WCCP packets with version set
to three. The 'wccp_version' option allows you to change it, from the
default value of four.
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- You can now toggle the 'offline_mode' option from the cache manager.
- Added the 'minimum_object_size' option. Files smaller than this size are
not cached.
- If your firewall doesn't allow passive FTP transfers, you can tell Squid
to use PORT instead by turning the 'passive_ftp' option off.
- Some Cisco IOS versions expect to receive WCCP packets with version set
to three. The 'wccp_version' option allows you to change it, from the
default value of four.
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in PR pkg/9534.
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waiting don't have to wait very long until they can safely access the
logfiles.
This fixes the third part of PR pkg/8764 by Luke Mewburn.
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- Changed configure to look for IP-Filter header files
in both /usr/include and /usr/include/netinet.
- Fixed an ACL subdomain comparison bug (aclDomainCompare).
- Fixed an ACL host <=> domain comparison bug
(aclHostDomainCompare).
- Fixed a "xstrdup: tried to dup a NULL pointer!" bug
caused by illegal hostname characters when certain
ACL types are in use.
- Fixed res_init() bug in dnsserver. We used to call
res_init(), and then clear the RES_INIT bit in
_res.options. This caused res_init() to be
called again as soon as we use gethostbyname(), and
this second initialization wipes out our changing
the nameservers. The fix is just to NOT set
_res.options to RES_DEFAULT after calling res_init().
- Changed FTP to close data sockets as soon as the transfer
ends, rather than waiting for the reply message on the
control socket (Alexander V. Lukyanov).
- Fixed some buffering problems between Squid and the
unlinkd process. By using file_write(), unlink requests
were being buffered and experiencing long delays under
heavy load. Now use use good ol' write() instead. Also
added some feedback from unlinkd to squid so we can track
the unlink request queue. If the queue becomes too large,
we block a little and wait for some acks from unlinkd.
This fixes the first part of PR pkg/8764 by Luke Mewburn.
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