All ports
Port1807/UDP
fhspPort
1807
Protocol
UDP
Category
Registered
Service
fhsp
What is port 1807?
Port 1807/UDP is a Registered port, registered with IANA for specific applications. It is associated with the fhsp service.
Fujitsu Hot Standby Protocol
Useful commands
nmapnmap -p 1807 -sV example.comnetcatnc -zv example.com 1807curlcurl -v http://example.com:1807/telnettelnet example.com 1807bash(echo > /dev/udp/example.com/1807) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1807/udpDeny
sudo ufw deny 1807/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 1807 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 1807 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1807/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1807" dir=in action=allow protocol=UDP localport=1807Security 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- Outdated versions with vulnerabilities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 1807/UDP?
Port 1807/UDP is associated with the fhsp service. Fujitsu Hot Standby Protocol
Is it safe to expose port 1807 to the Internet?
It depends on the service and configuration. Port 1807 (fhsp) 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 1807 is open?
You can use nmap: `nmap -p 1807 -sV example.com`, netcat: `nc -zv example.com 1807`, or the bash command: `(echo > /dev/udp/example.com/1807) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1807 on my firewall?
On Linux with UFW: `sudo ufw allow 1807/udp` (open) or `sudo ufw deny 1807/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 1807 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1807" dir=in action=allow protocol=UDP localport=1807`.
What applications and services use port 1807?
Port 1807/UDP is used by the fhsp service. Specific uses depend on the software and configuration. Check our related tools section for more information.