All ports

Port650/TCP

obex

Port

650

Protocol

TCP

Category

Well-Known

Service

obex

What is port 650?

Port 650/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the obex service.

OBEX

Useful commands

nmapnmap -p 650 -sV example.com
netcatnc -zv example.com 650
curlcurl -v http://example.com:650/
telnettelnet example.com 650
bash(echo > /dev/tcp/example.com/650) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 650/tcp
Deny
sudo ufw deny 650/tcp
iptablesAllow
sudo iptables -A INPUT -p tcp --dport 650 -j ACCEPT
Deny
sudo iptables -D INPUT -p tcp --dport 650 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=650/tcp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 650" dir=in action=allow protocol=TCP localport=650

Security Risks

  • Unauthorized access to the service
  • Data exposure if the service is unauthenticated
  • Outdated versions with vulnerabilities
  • Incorrect service configuration

Frequently Asked Questions

What service runs on port 650/TCP?

Port 650/TCP is associated with the obex service. OBEX

Is it safe to expose port 650 to the Internet?

It depends on the service and configuration. Port 650 (obex) is a Well-Known port. If you need to expose it, keep the service updated, use strong authentication, and configure a firewall. It's always recommended to restrict access by IP when possible.

How do I check if port 650 is open?

You can use nmap: `nmap -p 650 -sV example.com`, netcat: `nc -zv example.com 650`, or the bash command: `(echo > /dev/tcp/example.com/650) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 650 on my firewall?

On Linux with UFW: `sudo ufw allow 650/tcp` (open) or `sudo ufw deny 650/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 650 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 650" dir=in action=allow protocol=TCP localport=650`.

What applications and services use port 650?

Port 650/TCP is used by the obex service. Specific uses depend on the software and configuration. Check our related tools section for more information.