Port 5397

stresstester · TCP/UDP

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

Frequently asked questions

What is port 5397 used for?

Port 5397 is registered with the IANA for stresstester (TCP/UDP). Description: StressTester(tm) Injector.

Is port 5397 a well-known port?

No. Port 5397 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 5397 is open?

Locally on Linux with ss -tulpn | grep ':5397\b', on Windows with netstat -ano | findstr :5397. To test a remote host use Test-NetConnection <host> -Port 5397 in PowerShell or nc -zv <host> 5397 on Linux/macOS.

How do I open port 5397 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 5397/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5397/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5397" -Direction Inbound -Protocol TCP -LocalPort 5397 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPstresstesterStressTester(tm) Injector
UDPstresstesterStressTester(tm) Injector

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