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RE: [cobalt-users] Ports



> -----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.