- 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 9277: GPS Data transmitted from train to ground network
Port 9277 is assigned by IANA to traingpsdata (GPS Data transmitted from train to ground network).
9277
How traingpsdata works
Other servicesThe client sends a request to port 9277 and the traingpsdata 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
Is port 9277 dangerous?
We have no specific security note for port 9277. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 9277
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| traingpsdata | 9277 | UDP | GPS Data transmitted from train to ground network | - | 2012-12-14 |
| - | 9277 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 9277, and is it reachable?
Linux
sudo ss -ltnup 'sport = :9277' # process listening on 9277
sudo lsof -nP -i :9277macOS
sudo lsof -nP -i :9277
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9277 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 9277 netstat -ano | findstr :9277
From another machine
nmap -p 9277 -sV <host> sudo nmap -sU -p 9277 <host> nc -zv <host> 9277
Block it in the firewall
sudo ufw deny 9277/udp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 9277" -Direction Inbound -LocalPort 9277 -Protocol UDP -Action Block # Windows
What is port 9277 used for?
Port 9277 is assigned by IANA to traingpsdata (GPS Data transmitted from train to ground network).
Is port 9277 TCP or UDP?
Port 9277 is registered for UDP.
Is it safe to open port 9277?
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 9277 is open?
On Linux run "ss -ltnup 'sport = :9277'", on macOS "lsof -nP -i :9277", and on Windows "netstat -ano | findstr :9277" to see the local process. From another machine, "nmap -p 9277 <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