All ports
Port3864/SCTP
asap-sctp-tlsPort
3864
Protocol
SCTP
Category
Registered
Service
asap-sctp-tls
What is port 3864?
Port 3864/SCTP is a Registered port, registered with IANA for specific applications. It is associated with the asap-sctp-tls service.
asap-sctp/tls
Useful commands
nmapnmap -p 3864 -sV example.comnetcatnc -zv example.com 3864curlcurl -v http://example.com:3864/telnettelnet example.com 3864bash(echo > /dev/sctp/example.com/3864) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3864/sctpDeny
sudo ufw deny 3864/sctpiptablesAllow
sudo iptables -A INPUT -p sctp --dport 3864 -j ACCEPTDeny
sudo iptables -D INPUT -p sctp --dport 3864 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3864/sctpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3864" dir=in action=allow protocol=SCTP localport=3864Security 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- Outdated versions with vulnerabilities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 3864/SCTP?
Port 3864/SCTP is associated with the asap-sctp-tls service. asap-sctp/tls
Is it safe to expose port 3864 to the Internet?
It depends on the service and configuration. Port 3864 (asap-sctp-tls) 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 3864 is open?
You can use nmap: `nmap -p 3864 -sV example.com`, netcat: `nc -zv example.com 3864`, or the bash command: `(echo > /dev/sctp/example.com/3864) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3864 on my firewall?
On Linux with UFW: `sudo ufw allow 3864/sctp` (open) or `sudo ufw deny 3864/sctp` (close). With iptables: `sudo iptables -A INPUT -p sctp --dport 3864 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3864" dir=in action=allow protocol=SCTP localport=3864`.
What applications and services use port 3864?
Port 3864/SCTP is used by the asap-sctp-tls service. Specific uses depend on the software and configuration. Check our related tools section for more information.