Fwknop Port Knocking Utility 2.6.11 ≈ Packet Storm

Fwknop Port Knocking Utility 2.6.11^[6]

Authored by Michael Rash^[7] | Site cipherdyne.org^[8]

fwknop implements an authorization scheme that requires only a single encrypted packet to communicate various pieces of information, including desired access through a Netfilter policy and/or specific commands to execute on the target system. The main application of this program is to protect services such as SSH with an additional layer of security in order to make the exploitation of vulnerabilities much more difficult. The authorization server works by passively monitoring authorization packets via libpcap.

Changes: Fixed two bugs in PF handling code. Added ALLOW_ANY_USER_AGENT for ENABLE_SPA_OVER_HTTP mode so that fwknopd will accept any User-Agent string coming from the client. Various fixes to the AppArmor profile to support recent versions of Debian and Ubuntu. Add gpg.conf and gpg-agent.conf to set pinentry-mode loopback to restore GPG full cycle tests. A couple additional updates to the test suite.

systems | unix^[9]

SHA-256 | bcb4e0e2eb5fcece5083d506da8471f68e33fb6b17d9379c71427a95f9ca1ec8

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