MailScanner Ports ?

Andoni Auzmendi andoni.auzmendi at robertwalters.com
Fri Feb 24 11:45:45 GMT 2006


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)
 
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 

 


________________________________

	From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of spart
cus
	Sent: 24 February 2006 00:22
	To: MailScanner
	Cc: jcb at dreamvsat.ph
	Subject: MailScanner Ports ?
	
	
	Hi guys,
	im securing my mail server.Just want to ask what port does MS
uses ? Like for updating viruses(CLamAV) and spamlists (SpamAssassin). I
already open ports 25; and 110, what else ? 
	tnx
	
	
	

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