All ports
Port701/UDP
lmpPort
701
Protocol
UDP
Category
Well-Known
Service
lmp
What is port 701?
Port 701/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the lmp service.
Link Management Protocol (LMP)
Useful commands
nmapnmap -p 701 -sV example.comnetcatnc -zv example.com 701curlcurl -v http://example.com:701/telnettelnet example.com 701bash(echo > /dev/udp/example.com/701) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 701/udpDeny
sudo ufw deny 701/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 701 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 701 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=701/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 701" dir=in action=allow protocol=UDP localport=701Security 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- Outdated versions with vulnerabilities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 701/UDP?
Port 701/UDP is associated with the lmp service. Link Management Protocol (LMP)
Is it safe to expose port 701 to the Internet?
It depends on the service and configuration. Port 701 (lmp) 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 701 is open?
You can use nmap: `nmap -p 701 -sV example.com`, netcat: `nc -zv example.com 701`, or the bash command: `(echo > /dev/udp/example.com/701) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 701 on my firewall?
On Linux with UFW: `sudo ufw allow 701/udp` (open) or `sudo ufw deny 701/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 701 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 701" dir=in action=allow protocol=UDP localport=701`.
What applications and services use port 701?
Port 701/UDP is used by the lmp service. Specific uses depend on the software and configuration. Check our related tools section for more information.