All ports
Port775/UDP
acmaint_transdPort
775
Protocol
UDP
Category
Well-Known
Service
acmaint_transd
What is port 775?
Port 775/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the acmaint_transd service.
Useful commands
nmapnmap -p 775 -sV example.comnetcatnc -zv example.com 775curlcurl -v http://example.com:775/telnettelnet example.com 775bash(echo > /dev/udp/example.com/775) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 775/udpDeny
sudo ufw deny 775/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 775 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 775 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=775/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 775" dir=in action=allow protocol=UDP localport=775Security 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- Outdated versions with vulnerabilities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 775/UDP?
Port 775/UDP is associated with the acmaint_transd service. No detailed description is available in the IANA registry.
Is it safe to expose port 775 to the Internet?
It depends on the service and configuration. Port 775 (acmaint_transd) 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 775 is open?
You can use nmap: `nmap -p 775 -sV example.com`, netcat: `nc -zv example.com 775`, or the bash command: `(echo > /dev/udp/example.com/775) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 775 on my firewall?
On Linux with UFW: `sudo ufw allow 775/udp` (open) or `sudo ufw deny 775/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 775 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 775" dir=in action=allow protocol=UDP localport=775`.
What applications and services use port 775?
Port 775/UDP is used by the acmaint_transd service. Specific uses depend on the software and configuration. Check our related tools section for more information.