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0.8
- Multiple fixes
- IPv6 support
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- Document the 'target' configuration directive.
- Merging OS-specific networking code to reduce LOCs and the
sea of #ifdefs.
- Added 50ms timeout to pcap_open_live() to reduce CPU usage
on network-heavy hosts. Pcap recommends we not use zero.
0.6:
- Cleanup: Don't null-check before free
- Cleanup: Consolidate flag-check logic
- Accept single-knock sequences
- Introduce a 'target' configuration directive, enabling
knockd to react to connect attempts to a target host.
Useful in cases where knockd is on a router and you want
to send a target a wakeup packet.
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* Re-open log file on SIGHUP.
* Install knockd man page into section 8 instead of section 1.
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interface, looking for special "knock" sequences of port-hits. A client makes
these port-hits by sending a TCP (or UDP) packet to a port on the server. This
port need not be open - since knockd listens at the link-layer level, it sees
all traffic even if it's destined for a closed port. When the server detects
a specific sequence of port-hits, it runs a command defined in its configuration
file. This can be used to open up holes in a firewall for quick access.
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