Specifying allowed source ports

Sergio Villar Senin svillar at igalia.com
Wed Sep 11 10:18:12 UTC 2013


Hi,

sometimes is useful to allow connections from a specific combination of
of source_address:source_port. For example if you want to allow the
icecream[1] autodiscovery service in your local network you would likely
want to allow connections coming from:

192.168.1.0/24:8765 udp

I think this is a very common use case in local networks where you have
services running in well-known ports that use random ports in your local
machine to setup connections.

Is there any way to do that in firewalled?

BR


[1] https://github.com/icecc/icecream


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