>-----Original Message----- >From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf >Of David Suhendrik >Sent: Monday, May 24, 2010 6:55 PM >To: CentOS mailing list >Subject: [CentOS] [WTA] Automatically blocking on failed login > >Hello All, >I had problems with the security server, the server is frequently attacked >using >bruteforce attacks. Is there an application that can perform automatic >blocking when >there are failed login to the ports smtp, pop3 port, and others?
Why don't you try the Smoothwall firewall appliance and its Guardian Active Response (GAR)-mod, and set this up around your perimeter? GAR is able to add temporary firewall rules to drop connection attempts/attacks under a configurable period of time and works in conjunction with Snort. -- /Sorin
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