Regarding TCP.IP ports. what ports should i disable and what ports should i keep open on a cisco router within my network.
- posted
16 years ago
Regarding TCP.IP ports. what ports should i disable and what ports should i keep open on a cisco router within my network.
Hi,
Nobody can tell you the answer to that question. What would you want to go in/out of your network?
i would start with
www pop3 dns smtp any bespoke apps you have
not sure if you need
ntp snmp any routing protcols
I would block everything else and then begin permitting in/out as and when people complain they can't access various services.
Paul
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