Port 42510

caerpc · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicecaerpc
Registered2005-08

Frequently asked questions

What is port 42510 used for?

Port 42510 is registered with the IANA for caerpc (TCP/UDP). Description: CA eTrust RPC.

Is port 42510 a well-known port?

No. Port 42510 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 42510 is open?

Locally on Linux with ss -tulpn | grep ':42510\b', on Windows with netstat -ano | findstr :42510. To test a remote host use Test-NetConnection <host> -Port 42510 in PowerShell or nc -zv <host> 42510 on Linux/macOS.

How do I open port 42510 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 42510/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=42510/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 42510" -Direction Inbound -Protocol TCP -LocalPort 42510 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPcaerpcCA eTrust RPC
UDPcaerpcCA eTrust RPC

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