diff options
Diffstat (limited to 'pjnath')
| -rw-r--r-- | pjnath/src/pjnath/nat_detect.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/pjnath/src/pjnath/nat_detect.c b/pjnath/src/pjnath/nat_detect.c index 7eef39ec..cbe10503 100644 --- a/pjnath/src/pjnath/nat_detect.c +++ b/pjnath/src/pjnath/nat_detect.c @@ -734,9 +734,26 @@ static void on_request_complete(pj_stun_session *stun_sess, case PJNATH_ESTUNTIMEDOUT: /* * Strangely test 1B has failed. Maybe connectivity was - * lost? + * lost? Or perhaps port 3489 (the usual port number in + * CHANGED-ADDRESS) is blocked? */ - end_session(sess, PJ_SUCCESS, PJ_STUN_NAT_TYPE_BLOCKED); + switch (sess->result[ST_TEST_3].status) { + case PJ_SUCCESS: + /* Although test 1B failed, test 3 was successful. + * It could be that port 3489 is blocked, while the + * NAT itself looks to be a Restricted one. + */ + end_session(sess, PJ_SUCCESS, + PJ_STUN_NAT_TYPE_RESTRICTED); + break; + default: + /* Can't distinguish between Symmetric and Port + * Restricted, so set the type to Unknown + */ + end_session(sess, PJ_SUCCESS, + PJ_STUN_NAT_TYPE_ERR_UNKNOWN); + break; + } break; default: /* |