Bug 1674735 - add port 5060 to bad port list r=valentin,necko-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D95504

netwerk/base/nsIOService.cpp

@@ -162,6 +162,8 @@ int16_t gBadPortList[] = {
     2049,  // nfs
     3659,  // apple-sasl
     4045,  // lockd
+    5060,  // sip
+    5061,  // sips
     6000,  // x11
     6665,  // irc (alternate)
     6666,  // irc (alternate)