All ports
Port7781/TCP
accu-lmgrPort
7781
Protocol
TCP
Category
Registered
Service
accu-lmgr
What is port 7781?
Port 7781/TCP is a Registered port, registered with IANA for specific applications. It is associated with the accu-lmgr service.
accu-lmgr
Useful commands
nmapnmap -p 7781 -sV example.comnetcatnc -zv example.com 7781curlcurl -v http://example.com:7781/telnettelnet example.com 7781bash(echo > /dev/tcp/example.com/7781) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 7781/tcpDeny
sudo ufw deny 7781/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 7781 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 7781 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=7781/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 7781" dir=in action=allow protocol=TCP localport=7781Security 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- Outdated versions with vulnerabilities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 7781/TCP?
Port 7781/TCP is associated with the accu-lmgr service. accu-lmgr
Is it safe to expose port 7781 to the Internet?
It depends on the service and configuration. Port 7781 (accu-lmgr) 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 7781 is open?
You can use nmap: `nmap -p 7781 -sV example.com`, netcat: `nc -zv example.com 7781`, or the bash command: `(echo > /dev/tcp/example.com/7781) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 7781 on my firewall?
On Linux with UFW: `sudo ufw allow 7781/tcp` (open) or `sudo ufw deny 7781/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 7781 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 7781" dir=in action=allow protocol=TCP localport=7781`.
What applications and services use port 7781?
Port 7781/TCP is used by the accu-lmgr service. Specific uses depend on the software and configuration. Check our related tools section for more information.