Port 3845
v-one-spp · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | v-one-spp |
Frequently asked questions
What is port 3845 used for?
Port 3845 is registered with the IANA for v-one-spp (TCP/UDP). Description: V-ONE Single Port Proxy.
Is port 3845 a well-known port?
No. Port 3845 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 3845 is open?
Locally on Linux with ss -tulpn | grep ':3845\b', on Windows with netstat -ano | findstr :3845. To test a remote host use Test-NetConnection <host> -Port 3845 in PowerShell or nc -zv <host> 3845 on Linux/macOS.
How do I open port 3845 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 3845/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3845/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3845" -Direction Inbound -Protocol TCP -LocalPort 3845 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | v-one-spp | V-ONE Single Port Proxy |
| UDP | v-one-spp | V-ONE Single Port Proxy |