Port 4845

wcr-remlib · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicewcr-remlib
Registered2008-03-17

Frequently asked questions

What is port 4845 used for?

Port 4845 is registered with the IANA for wcr-remlib (TCP/UDP). Description: WordCruncher Remote Library Service.

Is port 4845 a well-known port?

No. Port 4845 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4845 is open?

Locally on Linux with ss -tulpn | grep ':4845\b', on Windows with netstat -ano | findstr :4845. To test a remote host use Test-NetConnection <host> -Port 4845 in PowerShell or nc -zv <host> 4845 on Linux/macOS.

How do I open port 4845 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4845/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4845/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4845" -Direction Inbound -Protocol TCP -LocalPort 4845 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPwcr-remlibWordCruncher Remote Library Service
UDPwcr-remlibWordCruncher Remote Library Service

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