- 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 16002: GoodSync Mediation Service
Port 16002 is assigned by IANA to gsms (GoodSync Mediation Service).
16002
How gsms works
Other servicesThe client sends a request to port 16002 and the gsms service answers.
- 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
- Other services
Is port 16002 dangerous?
We have no specific security note for port 16002. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 16002
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| gsms | 16002 | TCP | GoodSync Mediation Service | - | 2010-10-06 |
| - | 16002 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 16002, and is it reachable?
Linux
sudo ss -ltnup 'sport = :16002' # process listening on 16002
sudo lsof -nP -i :16002macOS
sudo lsof -nP -i :16002
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 16002 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 16002 netstat -ano | findstr :16002
From another machine
nmap -p 16002 -sV <host> nc -zv <host> 16002
Block it in the firewall
sudo ufw deny 16002/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 16002" -Direction Inbound -LocalPort 16002 -Protocol TCP -Action Block # Windows
What is port 16002 used for?
Port 16002 is assigned by IANA to gsms (GoodSync Mediation Service).
Is port 16002 TCP or UDP?
Port 16002 is registered for TCP.
Is it safe to open port 16002?
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 16002 is open?
On Linux run "ss -ltnup 'sport = :16002'", on macOS "lsof -nP -i :16002", and on Windows "netstat -ano | findstr :16002" to see the local process. From another machine, "nmap -p 16002 <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