Hi all, Having an issue trying to find a router that will let me restrict in incoming source IP on a port. Specifically, this is for SIP where a SBC is not in the picture. The port for SIP is to be limited to only the public IP of the SIP providers server. Now, it appears that with OpenWRT, I can …

https://openwrt.org/docs/guide-user/firewall/firewall_configuration#redirects src_ip - Match incoming traffic from the specified source IP address.

Port Forwarding and Restricting Incoming Public IP

vgaetera July 5, 2021, 7:17pm 2

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