Port 3863
asap-sctp, asap-tcp and asap-udp · SCTP/TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | SCTP/TCP/UDP |
| Service | asap-sctp, asap-tcp and asap-udp |
| Reference | RFC 5352 |
Frequently asked questions
What is port 3863 used for?
Port 3863 is registered with the IANA for asap-sctp, asap-tcp and asap-udp (SCTP/TCP/UDP). Description: asap tcp port; asap udp port; asap sctp.
Is port 3863 a well-known port?
No. Port 3863 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 3863 is open?
Locally on Linux with ss -tulpn | grep ':3863\b', on Windows with netstat -ano | findstr :3863. To test a remote host use Test-NetConnection <host> -Port 3863 in PowerShell or nc -zv <host> 3863 on Linux/macOS.
How do I open port 3863 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 3863/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3863/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3863" -Direction Inbound -Protocol TCP -LocalPort 3863 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | asap-tcp | asap tcp port |
| UDP | asap-udp | asap udp port |
| SCTP | asap-sctp | asap sctp |