Keep your ports open - for yourself.
Port knocking: a stealthy system for network authentication across closed ports
Port Knocking has not been seen on TV

Resources

Perl prototype: v0.30

  • pcaplib support added; daemon no longer requires firewall log file

2004-Nov-14 18:59 | ...more

new Net::Pcap support added to sniff packets directly ...more

Links to related and background articles, guides, standards, documents, sites and books.
last updated 2010-Nov-12 13:46
Port Knocking (c) 2002-2017 Martin Krzywinski