MailScanner Ports ?

Stephen Swaney steve.swaney at fsl.com
Fri Feb 24 13:23:38 GMT 2006


> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-
> bounces at lists.mailscanner.info] On Behalf Of Andoni Auzmendi
> Sent: Friday, February 24, 2006 6:46 AM
> To: MailScanner discussion
> Subject: RE: MailScanner Ports ?
> 
> 53/tcp is used for zones transfers among dns servers.
> 
> Hence you only need 53/tcp if dns server is running on it and it is
> either a master or slave server. 53/tcp is not needed for caching only
> dns servers.
> 
> If the MS box is not running a dns server you will need 53/udp incoming
> only.
> 
> Master or Slave DNS: 53/tcp in/out, 53/udp in/out
> Caching DNS: 53/udp in, (out if any other box uses this dns).
> No DNS: 53/udp in
> 
> Andoni
> 
> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info
> [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Randal,
> Phil
> Sent: 24 February 2006 10:43
> To: MailScanner discussion
> Subject: RE: MailScanner Ports ?
> 
> Razor:	7/tcp and 2703/tcp (outgoing)

According to the Razor site, port 7 is no longer used:

"Outgoing TCP port 2703 (Razor2), only.  Previous versions used
   TCP port 7 (echo), but this is no longer used."

> 
> Pyzor:	24441/udp (outgoing)
> 
> DCC:		6277/udp (outgoing)
> 
> ntp:		123/udp (outgoing) (you do want the server time to be
> correct, don't you?)
> 
> ssh:		22/tcp (incoming)
> 
> smtp:		25/tcp (in and out and shake it all about)
> 
> dns:		53/tcp and 53/udp  (outgoing)  (you need both)
> 
> http:		80/tcp (outgoing) used by freshclam  (and incoming if
> you run mailwatch)
> 
> Cheers,
> 
> Phil
> 
> ----
> Phil Randal
> Network Engineer
> Herefordshire Council
> Hereford, UK

Steve

Stephen Swaney
Fort Systems Ltd.
stephen.swaney at fsl.com
www.fsl.com



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