Port 3656

abatjss · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceabatjss
Registered2003-01

Frequently asked questions

What is port 3656 used for?

Port 3656 is registered with the IANA for abatjss (TCP/UDP). Description: ActiveBatch Job Scheduler.

Is port 3656 a well-known port?

No. Port 3656 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3656 is open?

Locally on Linux with ss -tulpn | grep ':3656\b', on Windows with netstat -ano | findstr :3656. To test a remote host use Test-NetConnection <host> -Port 3656 in PowerShell or nc -zv <host> 3656 on Linux/macOS.

How do I open port 3656 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3656/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3656/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3656" -Direction Inbound -Protocol TCP -LocalPort 3656 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPabatjssActiveBatch Job Scheduler
UDPabatjssActiveBatch Job Scheduler

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