Port 2638

sybaseanywhere · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicesybaseanywhere
Modified2021-12-03

Frequently asked questions

What is port 2638 used for?

Port 2638 is registered with the IANA for sybaseanywhere (TCP/UDP). Description: Sybase Anywhere.

Is port 2638 a well-known port?

No. Port 2638 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 2638 is open?

Locally on Linux with ss -tulpn | grep ':2638\b', on Windows with netstat -ano | findstr :2638. To test a remote host use Test-NetConnection <host> -Port 2638 in PowerShell or nc -zv <host> 2638 on Linux/macOS.

How do I open port 2638 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 2638/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2638/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2638" -Direction Inbound -Protocol TCP -LocalPort 2638 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPsybaseanywhereSybase Anywhere
UDPsybaseanywhereSybase Anywhere

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