However if you are referring to packet sniffers there is no solid way of blocking them. On Sun, Jun 21, 2009 at 3:49 AM, Joseph L. Casale <JCasale at activenetwerx.com > wrote: > >In other words, anyone hitting those ports that are not being used at all > >except by our sniff protector, would allow instant banning. > > > >So...does something like this exist? > > I don't know of a program that specifically listens to defined ports and > acts on that, but fail2ban would accomplish the end result adequately. > > jlc > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -- http://www.jewelerslounge.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20090621/b5e82884/attachment-0004.html>