All ports
Port386/UDP
asaPort
386
Protocol
UDP
Category
Well-Known
Service
asa
What is port 386?
Port 386/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the asa service.
ASA Message Router Object Def.
Useful commands
nmapnmap -p 386 -sV example.comnetcatnc -zv example.com 386curlcurl -v http://example.com:386/telnettelnet example.com 386bash(echo > /dev/udp/example.com/386) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 386/udpDeny
sudo ufw deny 386/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 386 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 386 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=386/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 386" dir=in action=allow protocol=UDP localport=386Security 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- Outdated versions with vulnerabilities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 386/UDP?
Port 386/UDP is associated with the asa service. ASA Message Router Object Def.
Is it safe to expose port 386 to the Internet?
It depends on the service and configuration. Port 386 (asa) 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 386 is open?
You can use nmap: `nmap -p 386 -sV example.com`, netcat: `nc -zv example.com 386`, or the bash command: `(echo > /dev/udp/example.com/386) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 386 on my firewall?
On Linux with UFW: `sudo ufw allow 386/udp` (open) or `sudo ufw deny 386/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 386 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 386" dir=in action=allow protocol=UDP localport=386`.
What applications and services use port 386?
Port 386/UDP is used by the asa service. Specific uses depend on the software and configuration. Check our related tools section for more information.