I'd like to develop a firewall for svr4.2 unix which suits our organisational
security needs. I've never used a firewall program. Can I get firewall
software for unix from any web-site?
If I have to do packet filtering, I either have to change the TCP code or
write a streams module wich can sit on top of TCP. If I do so, I have to force
all the TCP applications to push the streams module on top of TCP connection.
I still cannot get all the incoming and outgoing packets. Can anyone help me
to find out a solution for this?
-Rajaram
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