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RE: [cobalt-users] Ports
- Subject: RE: [cobalt-users] Ports
- From: "Paul Shuttleworth" <paul@xxxxxxxxxxxxxx>
- Date: Fri May 23 07:36:02 2003
- List-id: Mailing list for users to share thoughts on Sun Cobalt products. <cobalt-users.list.cobalt.com>
> -----Original Message-----
> From: cobalt-users-admin@xxxxxxxxxxxxxxx
> [mailto:cobalt-users-admin@xxxxxxxxxxxxxxx]On Behalf Of Tobias Appel
> Sent: 23 May 2003 15:07
> To: cobalt-users@xxxxxxxxxxxxxxx
> Subject: AW: [cobalt-users] Ports
>
>
>
> > I am installing a hardware firewall at my colo. Can someone give me a
> > definitive list of ports that I will need to keep open please.
> >
> > Thanks
> >
> >
> > Richard Sidlin
> >
>
>
> Hi Richard,
>
> this depends on the programms you are using.
> check the file /etc/services to get a complete list of ports & programms.
>
> The main ports are :
>
> 21 FTP
> 22 SSH
> 23 Telnet (unsecure - use SSH)
> 25 STMP (to receive mail)
> 80 (Apache Webserver)
> 81 (Control Panel)
> 110 POP3 - to get Emails
>
> Cheers
>
> Tobi
>
20 FTP OPEN
21 FTP OPEN
25 SMTP OPEN
53 UDP (DNS) OPEN
80 WEB OPEN
81 GUI ADMIN OPEN
110 POP OPEN
123 NTP Time OPEN
443 SSL OPEN
444 SSL OPEN
5100 ASP ADMIN OPEN
This is a basic list I use, seems to work.
Paul.