Port 465
igmpv3lite, submissions and urd · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | igmpv3lite, submissions and urd |
| Reference | RFC 8314 |
| Registered | 2017-12-12 |
Frequently asked questions
What is port 465 used for?
Port 465 is registered with the IANA for igmpv3lite, submissions and urd (TCP/UDP). Description: URL Rendezvous Directory for SSM; Message Submission over TLS protocol; IGMP over UDP for SSM.
Is port 465 a well-known port?
Yes. Port 465 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 465 is open?
Locally on Linux with ss -tulpn | grep ':465\b', on Windows with netstat -ano | findstr :465. To test a remote host use Test-NetConnection <host> -Port 465 in PowerShell or nc -zv <host> 465 on Linux/macOS.
How do I open port 465 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 465/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=465/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 465" -Direction Inbound -Protocol TCP -LocalPort 465 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | urd | URL Rendezvous Directory for SSM |
| TCP | submissions | Message Submission over TLS protocol |
| UDP | igmpv3lite | IGMP over UDP for SSM |