CyberHunter
Local dataset, no network
// Other services

Port 370: codaauth2

Port 370 is assigned by IANA to codaauth2 (codaauth2).

370

How codaauth2 works

Other services
client:370codaauth2response client:370codaauth2response

The client sends a request to port 370 and the codaauth2 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)
Category
Other services
01 Security

Is port 370 dangerous?

We have no specific security note for port 370. 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 370

ServicePortTransportDescriptionReferenceUpdated
codaauth2 370 TCP, UDP codaauth2 - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 370, and is it reachable?

Linux

sudo ss -ltnup 'sport = :370'      # process listening on 370
sudo lsof -nP -i :370

macOS

sudo lsof -nP -i :370

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 370 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 370
netstat -ano | findstr :370

From another machine

nmap -p 370 -sV <host>
sudo nmap -sU -p 370 <host>
nc -zv <host> 370

Block it in the firewall

sudo ufw deny 370/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 370" -Direction Inbound -LocalPort 370 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 370 used for?

Port 370 is assigned by IANA to codaauth2 (codaauth2).

Is port 370 TCP or UDP?

Port 370 is registered for TCP and UDP.

Is it safe to open port 370?

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 370 is open?

On Linux run "ss -ltnup 'sport = :370'", on macOS "lsof -nP -i :370", and on Windows "netstat -ano | findstr :370" to see the local process. From another machine, "nmap -p 370 <host>" shows whether it is reachable.

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