[OpenSIPS-Users] In opensips config I wanted to match a source IP in a CIDR range .

Sasmita Panda spanda at 3clogic.com
Wed Feb 19 06:32:18 UTC 2025


Hi ,

I have started using openisps 3.4  . I wanted to block some specific number
dialing from
a CIDR range of Ips . for example , If the call gets initiated from any of
the IP from the range 10.0.0.0/16 then block the call .

How can I achieve this on the config level? Why I want a CIDR range is
because the IP of the initiating server may change from time to time . So I
can't configure the IP specifically in the config each time for the same
restriction .

Please suggest .

*Thanks & Regards*
*Sasmita Panda*
*Senior Network Testing and Software Engineer*
*3CLogic , ph:07827611765*
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