Port 3637

scservp · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicescservp
Registered2002-11

Frequently asked questions

What is port 3637 used for?

Port 3637 is registered with the IANA for scservp (TCP/UDP). Description: Customer Service Port.

Is port 3637 a well-known port?

No. Port 3637 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3637 is open?

Locally on Linux with ss -tulpn | grep ':3637\b', on Windows with netstat -ano | findstr :3637. To test a remote host use Test-NetConnection <host> -Port 3637 in PowerShell or nc -zv <host> 3637 on Linux/macOS.

How do I open port 3637 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3637/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3637/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3637" -Direction Inbound -Protocol TCP -LocalPort 3637 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPscservpCustomer Service Port
UDPscservpCustomer Service Port

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