CyberHunter
Local dataset, no network
// Other services

Port 2035:

Port 2035 is assigned by IANA to imsldoc ().

2035

How imsldoc works

Other services
client:2035imsldocresponse client:2035imsldocresponse

The client sends a request to port 2035 and the imsldoc 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 2035 dangerous?

We have no specific security note for port 2035. 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 2035

ServicePortTransportDescriptionReferenceUpdated
imsldoc 2035 TCP, UDP - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2035, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2035'      # process listening on 2035
sudo lsof -nP -i :2035

macOS

sudo lsof -nP -i :2035

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2035 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2035
netstat -ano | findstr :2035

From another machine

nmap -p 2035 -sV <host>
sudo nmap -sU -p 2035 <host>
nc -zv <host> 2035

Block it in the firewall

sudo ufw deny 2035/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2035" -Direction Inbound -LocalPort 2035 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2035 used for?

Port 2035 is assigned by IANA to imsldoc ().

Is port 2035 TCP or UDP?

Port 2035 is registered for TCP and UDP.

Is it safe to open port 2035?

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 2035 is open?

On Linux run "ss -ltnup 'sport = :2035'", on macOS "lsof -nP -i :2035", and on Windows "netstat -ano | findstr :2035" to see the local process. From another machine, "nmap -p 2035 <host>" shows whether it is reachable.

05 Related
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