Port 433 — nnsp

NNTP for transit servers (NNSP)

Transport protocols: tcp, udp

Registered Services

• nnsp / tcp — NNTP for transit servers (NNSP) (RFC3977)
• nnsp / udp — NNTP for transit servers (NNSP) (RFC3977)

Assignment from the IANA Service Name and Transport Protocol Port Number Registry.