[Asterisk-Users] TFTP Secondary Ports

[Carlos]

hey chad,
 
just a heads up tftp is one of the worst protocols to use when your behind a
nat or firewall it drove me pretty crazy a while ago.
 
Carlos Alcantar
Race Technologies, Inc.
101 Haskins Way
South San Francisco, CA 94080
P: 650.246.8900
F: 650.246.8901
E: carlos at race.com 


  _____  

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Chad Brown
Sent: Tuesday, August 02, 2005 10:46 PM
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] TFTP Secondary Ports



I'm publishing tftp through my firewall to support external Cisco 7960 sip
phones. I know that the primary port is 69 for tftp. However, tftp also uses
secondary ports ranging from 1,0XX to 30,XXX. ( A broad range) In an effort
to limit the secondary ports that are opened, some Windows based tftp server
such as the winagents product allows you to limit the range of secondary
ports that are used allowing you to somewhat tighten firewall publishing
rules.

 

Does anyone know how to do this using the linux tftp server?

 

Thanks, Chad

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