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#### Type Of Change - [x] Small bug fix (non-breaking change which fixes an issue) - [ ] New feature (non-breaking change which adds new functionality) - [ ] Breaking change (fix or feature that would change existing functionality)

#### Checklist: <!-- Go over all points below, and after creating the PR, tick the checkboxes that apply --> - [x] PR should be backported to stable branches - [x] Tested changes locally - [x] Related to issue #3799

#### Description <!-- Describe your changes in detail --> This PR fixes the unknown address family when calling `corex.list_sockets` rpc call by providing the correct argument (address.af) to `get_af_name()` instead of proto. You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/3811

-- Commit Summary --

* corex: Fix unknown af in list_sockets

-- File Changes --

M src/modules/corex/corex_rpc.c (4)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/3811.patch https://github.com/kamailio/kamailio/pull/3811.diff