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-@(#) BLURB 1.28 97/03/21 19:27:18
-
-With this package you can monitor and filter incoming requests for the
-SYSTAT, FINGER, FTP, TELNET, RLOGIN, RSH, EXEC, TFTP, TALK, and other
-network services.
-
-The package provides tiny daemon wrapper programs that can be installed
-without any changes to existing software or to existing configuration
-files. The wrappers report the name of the client host and of the
-requested service; the wrappers do not exchange information with the
-client or server applications, and impose no overhead on the actual
-conversation between the client and server applications.
-
-This patch upgrades the tcp wrappers version 7.5 source code to
-version 7.6. The source-routing protection in version 7.5 was not
-as strong as it could be. And all this effort was not needed with
-modern UNIX systems that can already stop source-routed traffic in
-the kernel. Examples are 4.4BSD derivatives, Solaris 2.x, and Linux.
-
-This release does not introduce new features. Do not bother applying
-this patch when you built your version 7.x tcp wrapper without
-enabling the KILL_IP_OPTIONS compiler switch; when you can disable
-IP source routing options in the kernel; when you run a UNIX version
-that pre-dates 4.4BSD, such as SunOS 4. Such systems are unable to
-receive source-routed connections and are therefore not vulnerable
-to IP spoofing attacks with source-routed TCP connections.
-
-A complete change log is given in the CHANGES document. As always,
-problem reports and suggestions for improvement are welcome.
-
- Wietse Venema (wietse@wzv.win.tue.nl),
- Department of Mathematics and Computing Science,
- Eindhoven University of Technology,
- The Netherlands.
-
- Currently visiting IBM T.J. Watson Research, Hawthorne NY, USA.