- Close the port if nothing on the host needs it.
- Identify the process that listens on it (commands below) before opening it in a firewall.
- Expose a service only to the networks that use it.
Port 3146: bears-02
Port 3146 is assigned by IANA to bears-02 (bears-02).
3146
How bears-02 works
Other servicesThe client sends a request to port 3146 and the bears-02 service answers.
- Transport
- TCP · UDP
- 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
- Other services
Is port 3146 dangerous?
We have no specific security note for port 3146. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 3146
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| bears-02 | 3146 | TCP, UDP | bears-02 | - | - |
// source: IANA service name and port number registry
Which program uses port 3146, and is it reachable?
Linux
sudo ss -ltnup 'sport = :3146' # process listening on 3146
sudo lsof -nP -i :3146macOS
sudo lsof -nP -i :3146
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3146 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 3146 netstat -ano | findstr :3146
From another machine
nmap -p 3146 -sV <host> sudo nmap -sU -p 3146 <host> nc -zv <host> 3146
Block it in the firewall
sudo ufw deny 3146/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 3146" -Direction Inbound -LocalPort 3146 -Protocol TCP -Action Block # Windows
What is port 3146 used for?
Port 3146 is assigned by IANA to bears-02 (bears-02).
Is port 3146 TCP or UDP?
Port 3146 is registered for TCP and UDP.
Is it safe to open port 3146?
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. Close the port if nothing on the host needs it.
How do I check if port 3146 is open?
On Linux run "ss -ltnup 'sport = :3146'", on macOS "lsof -nP -i :3146", and on Windows "netstat -ano | findstr :3146" to see the local process. From another machine, "nmap -p 3146 <host>" shows whether it is reachable.
Other other services ports
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp