All ports
Port5401/UDP
excerptsPort
5401
Protocol
UDP
Category
Registered
Service
excerpts
What is port 5401?
Port 5401/UDP is a Registered port, registered with IANA for specific applications. It is associated with the excerpts service.
Excerpt Search Secure
Useful commands
nmapnmap -p 5401 -sV example.comnetcatnc -zv example.com 5401curlcurl -v http://example.com:5401/telnettelnet example.com 5401bash(echo > /dev/udp/example.com/5401) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 5401/udpDeny
sudo ufw deny 5401/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 5401 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 5401 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=5401/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 5401" dir=in action=allow protocol=UDP localport=5401Security 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- Outdated versions with vulnerabilities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 5401/UDP?
Port 5401/UDP is associated with the excerpts service. Excerpt Search Secure
Is it safe to expose port 5401 to the Internet?
It depends on the service and configuration. Port 5401 (excerpts) 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 5401 is open?
You can use nmap: `nmap -p 5401 -sV example.com`, netcat: `nc -zv example.com 5401`, or the bash command: `(echo > /dev/udp/example.com/5401) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 5401 on my firewall?
On Linux with UFW: `sudo ufw allow 5401/udp` (open) or `sudo ufw deny 5401/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 5401 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 5401" dir=in action=allow protocol=UDP localport=5401`.
What applications and services use port 5401?
Port 5401/UDP is used by the excerpts service. Specific uses depend on the software and configuration. Check our related tools section for more information.