- Keep game servers and their plugins updated.
- Rate-limit queries to limit DDoS amplification.
- Run game servers under an unprivileged account.
Port 5156: Russian Online Game
Port 5156 is assigned by IANA to rugameonline (Russian Online Game).
How rugameonline works
GamingThe game client and server exchange small updates many times per second over port 5156.
- Transport
- TCP
- Exposure risk
- not rated depends on the program listening
- Encryption
- Unknownnot stated by the registry
- IANA status
- Assigned1 registered service
- Range
- Registered (1024-49151)
- Category
- Gaming
Is port 5156 dangerous?
We have no specific security note for port 5156. Its risk depends on the program actually listening on it. General advice for gaming services:
IANA registry entries for port 5156
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| rugameonline | 5156 | TCP | Russian Online Game | - | 2010-08-17 |
| - | 5156 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 5156, and is it reachable?
Linux
sudo ss -ltnup 'sport = :5156' # process listening on 5156
sudo lsof -nP -i :5156macOS
sudo lsof -nP -i :5156
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5156 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 5156 netstat -ano | findstr :5156
From another machine
nmap -p 5156 -sV <host> nc -zv <host> 5156
Block it in the firewall
sudo ufw deny 5156/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 5156" -Direction Inbound -LocalPort 5156 -Protocol TCP -Action Block # Windows
What is port 5156 used for?
Port 5156 is assigned by IANA to rugameonline (Russian Online Game).
Is port 5156 TCP or UDP?
Port 5156 is registered for TCP.
Is it safe to open port 5156?
It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Keep game servers and their plugins updated.
How do I check if port 5156 is open?
On Linux run "ss -ltnup 'sport = :5156'", on macOS "lsof -nP -i :5156", and on Windows "netstat -ano | findstr :5156" to see the local process. From another machine, "nmap -p 5156 <host>" shows whether it is reachable.