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.
6c364875431542e3f00b8c2fc0e354e4ddf333ed282f83e28a0d6a79326572d5Debian Linux Security Advisory 2728-1 - Maxim Shudrak and the HP Zero Day Initiative reported a denial of service vulnerability in BIND, a DNS server. A specially crafted query that includes malformed rdata can cause named daemon to terminate with an assertion failure while rejecting the malformed query.
a0841bbff63be72c66d72727b311877a598ecc9a936404ef7f60bdc5961b4a5fMASM code for a Windows RT ARM bindshell that binds to port 4444.
20f4063f00116b1083fffe678bc7b12a954c40a2b867e8e8f93f8acd3de0a6d6
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