Port 593

http-rpc-epmap · TCP/UDP

RangeSystem/well-known port (0–1023)
ProtocolTCP/UDP
Servicehttp-rpc-epmap

Frequently asked questions

What is port 593 used for?

Port 593 is registered with the IANA for http-rpc-epmap (TCP/UDP). Description: HTTP RPC Ep Map.

Is port 593 a well-known port?

Yes. Port 593 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 593 is open?

Locally on Linux with ss -tulpn | grep ':593\b', on Windows with netstat -ano | findstr :593. To test a remote host use Test-NetConnection <host> -Port 593 in PowerShell or nc -zv <host> 593 on Linux/macOS.

How do I open port 593 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 593/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=593/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 593" -Direction Inbound -Protocol TCP -LocalPort 593 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPhttp-rpc-epmapHTTP RPC Ep Map
UDPhttp-rpc-epmapHTTP RPC Ep Map

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