All ports
Port4827/TCP
htcpPort
4827
Protocol
TCP
Category
Registered
Service
htcp
What is port 4827?
Port 4827/TCP is a Registered port, registered with IANA for specific applications. It is associated with the htcp service.
HTCP
Useful commands
nmapnmap -p 4827 -sV example.comnetcatnc -zv example.com 4827curlcurl -v http://example.com:4827/telnettelnet example.com 4827bash(echo > /dev/tcp/example.com/4827) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4827/tcpDeny
sudo ufw deny 4827/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4827 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4827 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4827/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4827" dir=in action=allow protocol=TCP localport=4827Security 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- Outdated versions with vulnerabilities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 4827/TCP?
Port 4827/TCP is associated with the htcp service. HTCP
Is it safe to expose port 4827 to the Internet?
It depends on the service and configuration. Port 4827 (htcp) 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 4827 is open?
You can use nmap: `nmap -p 4827 -sV example.com`, netcat: `nc -zv example.com 4827`, or the bash command: `(echo > /dev/tcp/example.com/4827) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4827 on my firewall?
On Linux with UFW: `sudo ufw allow 4827/tcp` (open) or `sudo ufw deny 4827/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4827 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4827" dir=in action=allow protocol=TCP localport=4827`.
What applications and services use port 4827?
Port 4827/TCP is used by the htcp service. Specific uses depend on the software and configuration. Check our related tools section for more information.