How do I stop these requests and only allow vaild domains to g
verifying acl "domains" for ip/port 45.143.220.209:0.
2020-02-23 23:56:25.027942 [WARNING] sofia_reg.c:1793 SIP auth challenge (INVITE) on sofia profile 'internal' for [700441223931103@xxx.yyy.zzz.aaa] from ip 45.143.220.209
verifying acl "domains" for ip/port 45.143.220.209:0.
2020-02-23 23:56:25.027942 [WARNING] sofia_reg.c:1793 SIP auth challenge (INVITE) on sofia profile 'internal' for [700441223931103@xxx.yyy.zzz.aaa] from ip 45.143.220.209