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Re: [cobalt-users] Ports to keep open in a firewall.
- Subject: Re: [cobalt-users] Ports to keep open in a firewall.
- From: Gerald Waugh <gwaugh@xxxxxxxxxxxxxxxxxxxxxxx>
- Date: Tue Mar 25 11:12:00 2003
- List-id: Mailing list for users to share thoughts on Sun Cobalt products. <cobalt-users.list.cobalt.com>
On Tue, 25 Mar 2003, Neil Stringer wrote:
> If I am to place a Raq4 behind a firewall, what ports do I want to let
> through to it. Here's my first stab...
>
>
> 20 TCP FTP Data
> 21 TCP FTP
> 22 TCP SSH
> 23 TCP TELNET - I don't use it, but others might!25 TCP
> SMTP
> 53 TCP DNS
> 53 UDP DNS
> 80 TCP HTTP
> 81 TCP HTTP raq management UI
> 110 TCP POP3
> 143 TCP IMAP
> 445 UDP SSL
> 5000 TCP ASP management
>
> Do I need to keep 3306 (TCP & UDP) open form MySQL?
Only if you want access from outside the server.
We only allow localhost.
> Anything I have missed?
Maybe 444, used by admserv, not sure when but it's in
the conf file.
Why leave telnet open?
If you want it for an emergency onely allow your IP
Gerald
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