CyberHunter
Local dataset, no network
// Other services

Port 25955: Bitfighter master server

Port 25955 is assigned by IANA to bf-master (Bitfighter master server).

25955

How bf-master works

Other services
client:25955bf-masterresponse client:25955bf-masterresponse

The client sends a request to port 25955 and the bf-master service answers.

Transport
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
01 Security

Is port 25955 dangerous?

We have no specific security note for port 25955. Its risk depends on the program actually listening on it. General advice for other services services:

  • 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.
02 Registry

IANA registry entries for port 25955

ServicePortTransportDescriptionReferenceUpdated
bf-master 25955 UDP Bitfighter master server - 2012-08-16
-25955-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 25955, and is it reachable?

Linux

sudo ss -ltnup 'sport = :25955'      # process listening on 25955
sudo lsof -nP -i :25955

macOS

sudo lsof -nP -i :25955

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 25955 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 25955
netstat -ano | findstr :25955

From another machine

nmap -p 25955 -sV <host>
sudo nmap -sU -p 25955 <host>
nc -zv <host> 25955

Block it in the firewall

sudo ufw deny 25955/udp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 25955" -Direction Inbound -LocalPort 25955 -Protocol UDP -Action Block  # Windows
04 FAQ
What is port 25955 used for?

Port 25955 is assigned by IANA to bf-master (Bitfighter master server).

Is port 25955 TCP or UDP?

Port 25955 is registered for UDP.

Is it safe to open port 25955?

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 25955 is open?

On Linux run "ss -ltnup 'sport = :25955'", on macOS "lsof -nP -i :25955", and on Windows "netstat -ano | findstr :25955" to see the local process. From another machine, "nmap -p 25955 <host>" shows whether it is reachable.

05 Related
: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

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