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Fwknop Port Knocking Utility

Fwknop Port Knocking Utility
Posted Jan 14, 2009
Authored by Michael Rash | Site cipherdyne.org

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: Added the ability to send SPA packet over HTTP to a webserver. Added ENABLE_EXTERNAL_CMDS for fwknopd to control whether the EXTERNAL_CMD_OPEN and EXTERNAL_CMD_CLOSE directives are used. Various bug fixes.
tags | tool, scanner, vulnerability
systems | unix
SHA-256 | bb36216abec00d3f8fea30ac8e3768a249f2ee181fd05c5064ac5a94ec069781
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