Port 1528

norp · SCTP/TCP/UDP

RangeRegistered port (1024–49151)
ProtocolSCTP/TCP/UDP
Servicenorp
Registered2016-09-13
Modified2021-04-07

Frequently asked questions

What is port 1528 used for?

Port 1528 is registered with the IANA for norp (SCTP/TCP/UDP). Description: Not Only a Routeing Protocol.

Is port 1528 a well-known port?

No. Port 1528 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 1528 is open?

Locally on Linux with ss -tulpn | grep ':1528\b', on Windows with netstat -ano | findstr :1528. To test a remote host use Test-NetConnection <host> -Port 1528 in PowerShell or nc -zv <host> 1528 on Linux/macOS.

How do I open port 1528 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 1528/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1528/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1528" -Direction Inbound -Protocol TCP -LocalPort 1528 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPnorpNot Only a Routeing Protocol
UDPnorpNot Only a Routeing Protocol
SCTPnorpNot Only a Routeing Protocol

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