On 03/22/2018 10:24 PM, Andrea Bodrati wrote: > Greetings, > I'm trying to write the following rules in /etc/shorewall/rules but I > can't find any reference on how to do that : > iptables -t nat -I POSTROUTING -o eth0.0 -p udp -d y.y.y.y --sport > 5061 -j SNAT --to-source x.x.x.x:5060 > Basically I need to masquerade the source udp port to 5060 of all the > packets coming from my public IP x.x.x.x port 5061 and with > destination y.y.y.y. > Thanks!
Which Shorewall Version? Earlier versions use the 'masq' file for SNAT and MASQUERADE; later versions use the 'snat' file. For the masq file: eth0:y.y.y.y - x.x.x.x:5600 udp - 5061 For the snat file: SNAT(x.x.x.x:5600) - eth0:y.y.y.y udp - 5601 -Tom -- Tom Eastep \ Q: What do you get when you cross a mobster with Shoreline, \ an international standard? Washington, USA \ A: Someone who makes you an offer you can't http://shorewall.org \ understand \_______________________________________________
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