Port 690

vatp · TCP/UDP

RangeSystem/well-known port (0–1023)
ProtocolTCP/UDP
Servicevatp
Modified2015-02-03

Frequently asked questions

What is port 690 used for?

Port 690 is registered with the IANA for vatp (TCP/UDP). Description: Velneo Application Transfer Protocol.

Is port 690 a well-known port?

Yes. Port 690 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 690 is open?

Locally on Linux with ss -tulpn | grep ':690\b', on Windows with netstat -ano | findstr :690. To test a remote host use Test-NetConnection <host> -Port 690 in PowerShell or nc -zv <host> 690 on Linux/macOS.

How do I open port 690 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 690/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=690/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 690" -Direction Inbound -Protocol TCP -LocalPort 690 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPvatpVelneo Application Transfer Protocol
UDPvatpVelneo Application Transfer Protocol

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