# ProtocolLab HQ

HTTP codes Ports

TCP Port

143 IMAP

Internet Message Access Protocol — reads email on the server, keeping messages and folders in sync across devices.

Protocol: TCP · Port: 143

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.