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// Other services

Port 1355: Intuitive Edge

Port 1355 is assigned by IANA to intuitive-edge (Intuitive Edge).

1355

How intuitive-edge works

Other services
client:1355intuitive-edgeresponse client:1355intuitive-edgeresponse

The client sends a request to port 1355 and the intuitive-edge 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 1355 dangerous?

We have no specific security note for port 1355. 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 1355

ServicePortTransportDescriptionReferenceUpdated
intuitive-edge 1355 TCP, UDP Intuitive Edge - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1355, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1355'      # process listening on 1355
sudo lsof -nP -i :1355

macOS

sudo lsof -nP -i :1355

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1355 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1355
netstat -ano | findstr :1355

From another machine

nmap -p 1355 -sV <host>
sudo nmap -sU -p 1355 <host>
nc -zv <host> 1355

Block it in the firewall

sudo ufw deny 1355/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1355" -Direction Inbound -LocalPort 1355 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1355 used for?

Port 1355 is assigned by IANA to intuitive-edge (Intuitive Edge).

Is port 1355 TCP or UDP?

Port 1355 is registered for TCP and UDP.

Is it safe to open port 1355?

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 1355 is open?

On Linux run "ss -ltnup 'sport = :1355'", on macOS "lsof -nP -i :1355", and on Windows "netstat -ano | findstr :1355" to see the local process. From another machine, "nmap -p 1355 <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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