- 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.
9be429cd2b