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Fwknop Port Knocking Utility 2.5.1

Fwknop Port Knocking Utility 2.5.1
Posted Jul 28, 2013
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: A bugfix in the fwknop client to reset terminal settings to original values after entering keys via stdin. A bugfix in the fwknopd daemon to not print a PID file existence warning. A test suite bugfix to not run an iptables Rijndael HMAC test on non-Linux systems.
tags | tool, scanner, vulnerability
systems | unix
SHA-256 | 6c364875431542e3f00b8c2fc0e354e4ddf333ed282f83e28a0d6a79326572d5
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