Port 8999

bctp · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicebctp
Registered2002-02

Frequently asked questions

What is port 8999 used for?

Port 8999 is registered with the IANA for bctp (TCP/UDP). Description: Brodos Crypto Trade Protocol.

Is port 8999 a well-known port?

No. Port 8999 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 8999 is open?

Locally on Linux with ss -tulpn | grep ':8999\b', on Windows with netstat -ano | findstr :8999. To test a remote host use Test-NetConnection <host> -Port 8999 in PowerShell or nc -zv <host> 8999 on Linux/macOS.

How do I open port 8999 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 8999/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=8999/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 8999" -Direction Inbound -Protocol TCP -LocalPort 8999 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPbctpBrodos Crypto Trade Protocol
UDPbctpBrodos Crypto Trade Protocol

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