More infos on "/ip firewall service-port" and NAT helpers

magnavox · December 6, 2009, 4:52pm

Hi Mikrotik staffa,

can you post more infos on /ip firewall service-port and NAT helpers?

The ROS manual/Wiki is very reduced… http://wiki.mikrotik.com/wiki/IP/Services#Service_Ports

tnx

butche · December 6, 2009, 10:27pm

I’m not Mikrotik staff, but what, specifically, are you looking for?

magnavox · December 7, 2009, 12:12am

How to work (internally) this helpers.

butche · December 7, 2009, 1:53am

You can very likely find the source code for these helper apps by looking at the iptables sources. MT is a linux kernel and the firewall is based on iptables.

magnavox · December 7, 2009, 7:56am

Yes, it is true.

But I pay for MT licenses and I would a minimal description of this.

mrz · December 7, 2009, 8:07am

Nat helpers inspects packets and substitutes original addresses in IP payload.