Didn't know until now there is a list of ports restricted in all major browsers blocked by default... https://www-archive.mozilla.org/projects/netlib/PortBannin

Didn't know until now there is a list of ports restricted in all major browsers blocked by default... https://www-archive.mozilla.org/projects/netlib/PortBanning.html#portlist https://www-archive.mozilla.org/projects/netlib/PortBanning.... https://src.chromium.org/viewvc/chrome/trunk/src/net/base/net_util.cc?view=markup https://src.chromium.org/viewvc/chrome/trunk/src/net/base/ne...