[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: RE: [K12OSN] Instant Messanger



Ok....so how do you do this?


k12osn redhat com writes:
>What you want is policy-based routing.  That's how we deal with it.  Ever
>since IM clients started using TCP 80, etc., it became a bear for us to
>stop w/o DoS'ing the whole school district.  Policy-based routing works
>no matter what TCP or UDP port you're on.  The router is able to actually
>examine the protocol running across the wire and put a stop to whatever
>traffic you don't want flowing.  We also did this with Code Red, Nimda,
>etc.  This ability was invented precisely because of what you're running
>into below. 
>
>--TP 


David N. Trask
Technology Teacher/Coordinator
Vassalboro Community School
dtrask vcs u52 k12 me us
(207)923-3100




[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]