CyberHunter
Local dataset, no network
// Other services

Port 1535: ampr-info

Port 1535 is assigned by IANA to ampr-info (ampr-info).

1535

How ampr-info works

Other services
client:1535ampr-inforesponse client:1535ampr-inforesponse

The client sends a request to port 1535 and the ampr-info 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 1535 dangerous?

We have no specific security note for port 1535. 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 1535

ServicePortTransportDescriptionReferenceUpdated
ampr-info 1535 TCP, UDP ampr-info - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1535, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1535'      # process listening on 1535
sudo lsof -nP -i :1535

macOS

sudo lsof -nP -i :1535

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1535 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1535
netstat -ano | findstr :1535

From another machine

nmap -p 1535 -sV <host>
sudo nmap -sU -p 1535 <host>
nc -zv <host> 1535

Block it in the firewall

sudo ufw deny 1535/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1535" -Direction Inbound -LocalPort 1535 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1535 used for?

Port 1535 is assigned by IANA to ampr-info (ampr-info).

Is port 1535 TCP or UDP?

Port 1535 is registered for TCP and UDP.

Is it safe to open port 1535?

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 1535 is open?

On Linux run "ss -ltnup 'sport = :1535'", on macOS "lsof -nP -i :1535", and on Windows "netstat -ano | findstr :1535" to see the local process. From another machine, "nmap -p 1535 <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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