All ports
Port623/TCP
oob-ws-httpPort
623
Protocol
TCP
Category
Well-Known
Service
oob-ws-http
What is port 623?
Port 623/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the oob-ws-http service.
DMTF out-of-band web services management protocol
Useful commands
nmapnmap -p 623 -sV example.comnetcatnc -zv example.com 623curlcurl -v http://example.com:623/telnettelnet example.com 623bash(echo > /dev/tcp/example.com/623) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 623/tcpDeny
sudo ufw deny 623/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 623 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 623 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=623/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 623" dir=in action=allow protocol=TCP localport=623Security Risks
- SQL injection and cross-site scripting (XSS)
- Exposure of sensitive data due to lack of encryption
- Denial of service attacks (DoS)
- Directory traversal and exposure of sensitive files
- Brute force attacks against authentication forms
Frequently Asked Questions
What service runs on port 623/TCP?
Port 623/TCP is associated with the oob-ws-http service. DMTF out-of-band web services management protocol
Is it safe to expose port 623 to the Internet?
It depends on the service and configuration. Port 623 (oob-ws-http) 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 623 is open?
You can use nmap: `nmap -p 623 -sV example.com`, netcat: `nc -zv example.com 623`, or the bash command: `(echo > /dev/tcp/example.com/623) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 623 on my firewall?
On Linux with UFW: `sudo ufw allow 623/tcp` (open) or `sudo ufw deny 623/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 623 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 623" dir=in action=allow protocol=TCP localport=623`.
What applications and services use port 623?
Port 623/TCP is used by the oob-ws-http service. Specific uses depend on the software and configuration. Check our related tools section for more information.