CyberHunter
// Other services

Port 762:

Port 762 is assigned by IANA to quotad ().

762

How quotad works

Other services
client:762quotadresponse client:762quotadresponse

The client sends a request to port 762 and the quotad 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
Well-known (0-1023)
01 Security

Is port 762 dangerous?

We have no specific security note for port 762. 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 762

ServicePortTransportDescriptionReferenceUpdated
quotad 762 TCP, UDP - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 762, and is it reachable?

Linux

sudo ss -ltnup 'sport = :762'      # process listening on 762
sudo lsof -nP -i :762

macOS

sudo lsof -nP -i :762

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 762 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 762
netstat -ano | findstr :762

From another machine

nmap -p 762 -sV <host>
sudo nmap -sU -p 762 <host>
nc -zv <host> 762

Block it in the firewall

sudo ufw deny 762/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 762" -Direction Inbound -LocalPort 762 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 762 used for?

Port 762 is assigned by IANA to quotad ().

Is port 762 TCP or UDP?

Port 762 is registered for TCP and UDP.

Is it safe to open port 762?

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 762 is open?

On Linux run "ss -ltnup 'sport = :762'", on macOS "lsof -nP -i :762", and on Windows "netstat -ano | findstr :762" to see the local process. From another machine, "nmap -p 762 <host>" shows whether it is reachable.

05 Related