Port 2419

attachmate-s2s · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceattachmate-s2s

Frequently asked questions

What is port 2419 used for?

Port 2419 is registered with the IANA for attachmate-s2s (TCP/UDP). Description: Attachmate S2S.

Is port 2419 a well-known port?

No. Port 2419 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 2419 is open?

Locally on Linux with ss -tulpn | grep ':2419\b', on Windows with netstat -ano | findstr :2419. To test a remote host use Test-NetConnection <host> -Port 2419 in PowerShell or nc -zv <host> 2419 on Linux/macOS.

How do I open port 2419 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 2419/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2419/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2419" -Direction Inbound -Protocol TCP -LocalPort 2419 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPattachmate-s2sAttachmate S2S
UDPattachmate-s2sAttachmate S2S

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