[OpenSIPS-Devel] [opensips] NAT Via Test Failure (#401)

[jalung]

Bogdan, the answer is yes to your first question.

I also tested whether check_ip_address() is returning 0 by adding open/close braces for each of the if/return 0 statements and placing a comment before the return statement and the comments do not print nor does function perform the final return -1 at the end. It silently dies there on some requests from the same dialog for that client in the example. 

The loop in the ClientNatTest() indeed is stopped, because the check_ip_address() is hung/stopped. This may be a compiler/platform feature. 

Some data for that:
 
INFO:nat_traversal:ClientNatTest: NAT test=1 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:rfc1918address: NAT NETADDR=16241
 INFO:nat_traversal:ClientNatTest: NAT test=2 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:ClientNatTest: NAT test=1 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:rfc1918address: NAT NETADDR=16241
 INFO:nat_traversal:ClientNatTest: NAT test=2 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:ClientNatTest: NAT test=1 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:rfc1918address: NAT NETADDR=16241
 INFO:nat_traversal:ClientNatTest: NAT test=2 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:ClientNatTest: NAT test=1 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:rfc1918address: NAT NETADDR=16241
 INFO:nat_traversal:ClientNatTest: NAT test=2 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:ClientNatTest: NAT test=1 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:rfc1918address: NAT NETADDR=16241
 INFO:nat_traversal:ClientNatTest: NAT test=2 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:ClientNatTest: NAT test=1 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:rfc1918address: NAT NETADDR=16241
 INFO:nat_traversal:ClientNatTest: NAT test=2 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:ClientNatTest: NAT test=1 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:rfc1918address: NAT NETADDR=16241
 INFO:nat_traversal:ClientNatTest: NAT test=2 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:ClientNatTest: NAT test=1 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:rfc1918address: NAT NETADDR=16241
 INFO:nat_traversal:ClientNatTest: NAT test=2 src=xxx.xxx.xxx.xxx:8039
 INFO:nat_traversal:test_source_address: NAT different_ip=-1 via1_port=44043 different_port=1
 INFO:nat_traversal:ClientNatTest: NAT success= 2

Indicates the client is trying until eventually test is successful, but client still not logged in. 

In other tests such as a simple "whois" from the command line on the IP, it has an unusual delay before returning results. 

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Reply to this email directly or view it on GitHub:
https://github.com/OpenSIPS/opensips/issues/401#issuecomment-72469767
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