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Computer languages C,Perl  +
Documentation note User manpage available in HTML format from
Full description 'fwknop' implements an authorization schem'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. Its main use is to protect services such as SSH with an additional layer of security, which makies exploitation of vulnerabilities much more difficult. The authorization server works by passively monitoring authorization packets via libpcap.itoring authorization packets via libpcap.
Homepage URL  +
Interface command-line  +
Is GNU false  +
Keywords encryption  + , netfilter  + , libpcap  + , single packet  + , firweall  + , SHH  + , portknocking  +
Last review by Janet Casey +
Last review date 7 January 2008  +
License GPLv2 +
License verified by Janet Casey  +
License verified date 29 July 2005  +
Name fwknop  +
Real name Michael Rash  + , See the CREDITS file in the distribution for a complete list  +
Related projects Port Scan Attack Detector + , Doorman +
Resource URL  + ,  +
Resource audience Developer  + , Bug Tracking  + , Support  +
Resource kind VCS Repository Webview  + , E-mail  +
Revisionid 6,772  +
Revisiontimestamp 12 April 2011 11:22:57  +
Revisionuser User:WikiSysop +
Role Maintainer  + , Contributor  +
Security firewall  +
Short description Adds an additional layer of security to services such as SSH  +
Submitted by Database conversion +
Submitted date 1 April 2011  +
Use security  +
User level none  +
Version comment 0.9.2 stable released 2005-08-08
Version date 8 August 2005  +
Version download  +
Version identifier 0.9.2  +
Version status stable  +
Has queryThis property is a special property in this wiki. Fwknop + , Fwknop + , Fwknop + , Fwknop + , Fwknop + , Fwknop + , Fwknop + , Fwknop + , Fwknop +
Modification dateThis property is a special property in this wiki. 11 April 2015 00:26:46  +
Page has default formThis property is a special property in this wiki. Entry  +
Has subobjectThis property is a special property in this wiki. Fwknop + , Fwknop + , Fwknop + , Fwknop + , Fwknop +
EmailThis property is a special property in this wiki.  +
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