knownports / Ports 400–499 / Port 465

Port465

  • igmpv3liteIGMP over UDP for SSM
  • submissionsMessage Submission over TLS protocol
  • urdURL Rendezvous Directory for SSM

Port 465 carries three registered names: igmpv3lite on UDP; submissions and urd on TCP. It is one of the 133 numbers whose TCP and UDP entries carry different names. Only 12 numbers in the whole registry carry three or more names. The entries cite RFC 8314; 993 (imaps) and 995 (pop3s) cite the same document. It is the TLS counterpart of submission on port 587.

  1. 462datasurfsrvsec
  2. 463alpes
  3. 464kpasswd
  4. 465igmpv3lite
  5. 466digital-vrc
  6. 467mylex-mapd
  7. 468photuris
TCP assignedUDP assignedreservedno entryAll 100 assigned numbers in ports 400–499

Registry entries

ServiceProtocolsRegisteredModifiedRFCsOther specs
igmpv3liteUDP————
submissionsTCPDec 12, 2017—RFC 8314—
urdTCP————

Cited RFCs

RFCTitlePublishedStatusLater changes
RFC 8314Cleartext Considered Obsolete: Use of Transport Layer Security (TLS) for Email Submission and AccessJanuary 2018Proposed Standardupdated by RFC 8997

Listed in Ports that cite an RFC · Plain and TLS port pairs · Different services on TCP and UDP · Numbers shared by several services · Mail ports: smtp, submission, imap and pop3