Port 105 — cso

CCSO name server protocol

Transport protocols: tcp, udp

Registered Services

• cso / tcp — CCSO name server protocol
• cso / udp — CCSO name server protocol
• csnet-ns / tcp — Mailbox Name Nameserver
• csnet-ns / udp — Mailbox Name Nameserver

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