CyberHunter
// Other services

Port 38800: Sruth is a service for the distribution of routinely- generated but arbitrary files based on a publish/subscribe distribution model and implemented using a peer-to-peer transport mechanism

Port 38800 is assigned by IANA to sruth (Sruth is a service for the distribution of routinely- generated but arbitrary files based on a publish/subscribe distribution model and implemented using a peer-to-peer transport mechanism).

38800

How sruth works

Other services
client:38800sruthresponse client:38800sruthresponse

The client sends a request to port 38800 and the sruth 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)
01 Security

Is port 38800 dangerous?

We have no specific security note for port 38800. 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 38800

ServicePortTransportDescriptionReferenceUpdated
sruth 38800 TCP Sruth is a service for the distribution of routinely- generated but arbitrary files based on a publish/subscribe distribution model and implemented using a peer-to-peer transport mechanism - 2012-05-07
-38800-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 38800, and is it reachable?

Linux

sudo ss -ltnup 'sport = :38800'      # process listening on 38800
sudo lsof -nP -i :38800

macOS

sudo lsof -nP -i :38800

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 38800 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 38800
netstat -ano | findstr :38800

From another machine

nmap -p 38800 -sV <host>
nc -zv <host> 38800

Block it in the firewall

sudo ufw deny 38800/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 38800" -Direction Inbound -LocalPort 38800 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 38800 used for?

Port 38800 is assigned by IANA to sruth (Sruth is a service for the distribution of routinely- generated but arbitrary files based on a publish/subscribe distribution model and implemented using a peer-to-peer transport mechanism).

Is port 38800 TCP or UDP?

Port 38800 is registered for TCP.

Is it safe to open port 38800?

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 38800 is open?

On Linux run "ss -ltnup 'sport = :38800'", on macOS "lsof -nP -i :38800", and on Windows "netstat -ano | findstr :38800" to see the local process. From another machine, "nmap -p 38800 <host>" shows whether it is reachable.

05 Related