All ports
Port3775/UDP
ispmmgrPort
3775
Protocol
UDP
Category
Registered
Service
ispmmgr
What is port 3775?
Port 3775/UDP is a Registered port, registered with IANA for specific applications. It is associated with the ispmmgr service.
ISPM Manager Port
Useful commands
nmapnmap -p 3775 -sV example.comnetcatnc -zv example.com 3775curlcurl -v http://example.com:3775/telnettelnet example.com 3775bash(echo > /dev/udp/example.com/3775) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3775/udpDeny
sudo ufw deny 3775/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3775 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3775 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3775/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3775" dir=in action=allow protocol=UDP localport=3775Security 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- Outdated versions with vulnerabilities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 3775/UDP?
Port 3775/UDP is associated with the ispmmgr service. ISPM Manager Port
Is it safe to expose port 3775 to the Internet?
It depends on the service and configuration. Port 3775 (ispmmgr) 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 3775 is open?
You can use nmap: `nmap -p 3775 -sV example.com`, netcat: `nc -zv example.com 3775`, or the bash command: `(echo > /dev/udp/example.com/3775) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3775 on my firewall?
On Linux with UFW: `sudo ufw allow 3775/udp` (open) or `sudo ufw deny 3775/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3775 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3775" dir=in action=allow protocol=UDP localport=3775`.
What applications and services use port 3775?
Port 3775/UDP is used by the ispmmgr service. Specific uses depend on the software and configuration. Check our related tools section for more information.