Port 3888

ciphire-serv · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceciphire-serv
Registered2003-10

Frequently asked questions

What is port 3888 used for?

Port 3888 is registered with the IANA for ciphire-serv (TCP/UDP). Description: Ciphire Services.

Is port 3888 a well-known port?

No. Port 3888 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3888 is open?

Locally on Linux with ss -tulpn | grep ':3888\b', on Windows with netstat -ano | findstr :3888. To test a remote host use Test-NetConnection <host> -Port 3888 in PowerShell or nc -zv <host> 3888 on Linux/macOS.

How do I open port 3888 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3888/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3888/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3888" -Direction Inbound -Protocol TCP -LocalPort 3888 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPciphire-servCiphire Services
UDPciphire-servCiphire Services

Nearby entries