[CentOS] TFP inside firewall

Tue Jun 10 06:38:20 UTC 2008
John Newbigin <jnewbigin at ict.swin.edu.au>

I use tftp through a masquerading firewall.  To set it up I edited (on 
the CentOS-4 firewall) /etc/sysconfig/iptables-config and set
IPTABLES_MODULES="ip_nat_tftp ip_conntrack_tftp"

I think ip_conntrack_tftp is what you need.

John.

lingu wrote:
> Hi,
> 
> I have a setup where the tftp server is inside the firewall.
> 
> Now the issue is tftp client send request on dynamic udp port. Can 
> anyone give some idea, how i can bind the fixed port for client udp 
> requests ?
> Otherwise i hope, it is not a solution that i will open all port related 
> to UDP in the firewall.
> 
> Regards,
> lingu
> 
> 
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-- 
John Newbigin
ITS Senior Analyst / Programmer
Faculty of Information and Communication Technologies
Swinburne University of Technology
Melbourne, Australia
http://www.ict.swin.edu.au/staff/jnewbigin