All ports
Port4553/TCP
icshostsvcPort
4553
Protocol
TCP
Category
Registered
Service
icshostsvc
What is port 4553?
Port 4553/TCP is a Registered port, registered with IANA for specific applications. It is associated with the icshostsvc service.
ICS host services
Useful commands
nmapnmap -p 4553 -sV example.comnetcatnc -zv example.com 4553curlcurl -v http://example.com:4553/telnettelnet example.com 4553bash(echo > /dev/tcp/example.com/4553) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4553/tcpDeny
sudo ufw deny 4553/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4553 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4553 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4553/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4553" dir=in action=allow protocol=TCP localport=4553Security 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- Outdated versions with vulnerabilities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 4553/TCP?
Port 4553/TCP is associated with the icshostsvc service. ICS host services
Is it safe to expose port 4553 to the Internet?
It depends on the service and configuration. Port 4553 (icshostsvc) is a Registered 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 4553 is open?
You can use nmap: `nmap -p 4553 -sV example.com`, netcat: `nc -zv example.com 4553`, or the bash command: `(echo > /dev/tcp/example.com/4553) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4553 on my firewall?
On Linux with UFW: `sudo ufw allow 4553/tcp` (open) or `sudo ufw deny 4553/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4553 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4553" dir=in action=allow protocol=TCP localport=4553`.
What applications and services use port 4553?
Port 4553/TCP is used by the icshostsvc service. Specific uses depend on the software and configuration. Check our related tools section for more information.