CyberHunter
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// Other services

Port 2862: TTG Protocol

Port 2862 is assigned by IANA to ttg-protocol (TTG Protocol).

2862

How ttg-protocol works

Other services
client:2862ttg-protocolresponse client:2862ttg-protocolresponse

The client sends a request to port 2862 and the ttg-protocol 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
01 Security

Is port 2862 dangerous?

We have no specific security note for port 2862. 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 2862

ServicePortTransportDescriptionReferenceUpdated
ttg-protocol 2862 TCP, UDP TTG Protocol - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2862, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2862'      # process listening on 2862
sudo lsof -nP -i :2862

macOS

sudo lsof -nP -i :2862

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2862 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2862
netstat -ano | findstr :2862

From another machine

nmap -p 2862 -sV <host>
sudo nmap -sU -p 2862 <host>
nc -zv <host> 2862

Block it in the firewall

sudo ufw deny 2862/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2862" -Direction Inbound -LocalPort 2862 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2862 used for?

Port 2862 is assigned by IANA to ttg-protocol (TTG Protocol).

Is port 2862 TCP or UDP?

Port 2862 is registered for TCP and UDP.

Is it safe to open port 2862?

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 2862 is open?

On Linux run "ss -ltnup 'sport = :2862'", on macOS "lsof -nP -i :2862", and on Windows "netstat -ano | findstr :2862" to see the local process. From another machine, "nmap -p 2862 <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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