All ports
Port3863/TCP
asap-tcpPort
3863
Protocol
TCP
Category
Registered
Service
asap-tcp
What is port 3863?
Port 3863/TCP is a Registered port, registered with IANA for specific applications. It is associated with the asap-tcp service.
asap tcp port
Useful commands
nmapnmap -p 3863 -sV example.comnetcatnc -zv example.com 3863curlcurl -v http://example.com:3863/telnettelnet example.com 3863bash(echo > /dev/tcp/example.com/3863) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3863/tcpDeny
sudo ufw deny 3863/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 3863 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 3863 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3863/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3863" dir=in action=allow protocol=TCP localport=3863Security 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- Outdated versions with vulnerabilities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 3863/TCP?
Port 3863/TCP is associated with the asap-tcp service. asap tcp port
Is it safe to expose port 3863 to the Internet?
It depends on the service and configuration. Port 3863 (asap-tcp) 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 3863 is open?
You can use nmap: `nmap -p 3863 -sV example.com`, netcat: `nc -zv example.com 3863`, or the bash command: `(echo > /dev/tcp/example.com/3863) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3863 on my firewall?
On Linux with UFW: `sudo ufw allow 3863/tcp` (open) or `sudo ufw deny 3863/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 3863 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3863" dir=in action=allow protocol=TCP localport=3863`.
What applications and services use port 3863?
Port 3863/TCP is used by the asap-tcp service. Specific uses depend on the software and configuration. Check our related tools section for more information.