Ignore Carrier-grate NAT candidates.

sippy · Aug 28, 2024 · 207bf8e · 207bf8e
1 parent c2aa740
commit 207bf8e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/sippy/Rtp_proxy/Session/subcommand_ice.py b/sippy/Rtp_proxy/Session/subcommand_ice.py
@@ -81,6 +81,9 @@ def __init__(self, sdp_bc, sect):
             pts = cand.split(None, 4)
             if pts[2].lower() != 'udp':
                 continue
+            if pts[4].startswith('192.') and not pts[4].startswith('192.168.'):
+                # Carrier-grade NAT garbage
+                continue
             self.append(f'{self.i_mod} C {cand}')
 
     def handle_results(self, results, ur):