Question 1

What is port 2808 used for?

Accepted Answer

Port 2808 is registered with the IANA for j-lan-p (TCP/UDP). Description: J-LAN-P.

Question 2

Is port 2808 a well-known port?

Accepted Answer

No. Port 2808 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

Question 3

How do I check whether port 2808 is open?

Accepted Answer

Locally on Linux with ss -tulpn | grep ':2808\b', on Windows with netstat -ano | findstr :2808. To test a remote host use Test-NetConnection -Port 2808 in PowerShell or nc -zv 2808 on Linux/macOS.

Question 4

How do I open port 2808 in the firewall?

Accepted Answer

Ubuntu/Debian (ufw): sudo ufw allow 2808/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2808/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2808" -Direction Inbound -Protocol TCP -LocalPort 2808 -Action Allow.

Range	Registered port (1024–49151)
Protocol	TCP/UDP
Service	`j-lan-p`

Port 2808

Frequently asked questions

What is port 2808 used for?

Is port 2808 a well-known port?

How do I check whether port 2808 is open?

How do I open port 2808 in the firewall?

IANA registry entries

Nearby entries

Protocol	Service	Description (IANA)
TCP	`j-lan-p`	J-LAN-P
UDP	`j-lan-p`	J-LAN-P