CyberHunter
Local dataset, no network
// Other services

Port 5165: ife_1corp

Port 5165 is assigned by IANA to ife_icorp (ife_1corp), ife-icorp (ife_1corp IANA assigned this well-formed service name as a replacement for "ife_icorp".).

5165

How ife_icorp works

Other services
client:5165ife_icorpresponse client:5165ife_icorpresponse

The client sends a request to port 5165 and the ife_icorp service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned2 registered services
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 5165 dangerous?

We have no specific security note for port 5165. 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 5165

ServicePortTransportDescriptionReferenceUpdated
ife_icorp 5165 TCP, UDP ife_1corp - -
ife-icorp 5165 TCP, UDP ife_1corp IANA assigned this well-formed service name as a replacement for "ife_icorp". - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 5165, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5165'      # process listening on 5165
sudo lsof -nP -i :5165

macOS

sudo lsof -nP -i :5165

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5165 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5165
netstat -ano | findstr :5165

From another machine

nmap -p 5165 -sV <host>
sudo nmap -sU -p 5165 <host>
nc -zv <host> 5165

Block it in the firewall

sudo ufw deny 5165/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5165" -Direction Inbound -LocalPort 5165 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5165 used for?

Port 5165 is assigned by IANA to ife_icorp (ife_1corp), ife-icorp (ife_1corp IANA assigned this well-formed service name as a replacement for "ife_icorp".).

Is port 5165 TCP or UDP?

Port 5165 is registered for TCP and UDP.

Is it safe to open port 5165?

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 5165 is open?

On Linux run "ss -ltnup 'sport = :5165'", on macOS "lsof -nP -i :5165", and on Windows "netstat -ano | findstr :5165" to see the local process. From another machine, "nmap -p 5165 <host>" shows whether it is reachable.

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