Port 98

tacnews · TCP/UDP

RangeSystem/well-known port (0–1023)
ProtocolTCP/UDP
Servicetacnews

Frequently asked questions

What is port 98 used for?

Port 98 is registered with the IANA for tacnews (TCP/UDP). Description: TAC News.

Is port 98 a well-known port?

Yes. Port 98 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 98 is open?

Locally on Linux with ss -tulpn | grep ':98\b', on Windows with netstat -ano | findstr :98. To test a remote host use Test-NetConnection <host> -Port 98 in PowerShell or nc -zv <host> 98 on Linux/macOS.

How do I open port 98 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 98/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=98/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 98" -Direction Inbound -Protocol TCP -LocalPort 98 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPtacnewsTAC News
UDPtacnewsTAC News

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