# ProtocolLab HQ

HTTP codes Ports

TCP Port

445 SMB

Server Message Block — Windows file and printer sharing. A frequent target, so it's usually blocked at the perimeter.

Protocol: TCP · Port: 445

ProtocolLab HQ — HTTP codes and ports, looked up fast.

A quick developer reference for HTTP status codes and common network ports, compiled from the relevant RFCs and IANA registries. Port assignments and status semantics occasionally change; check the current standard when it matters.