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// Other services

Port 182: Unisys Audit SITP

Port 182 is assigned by IANA to audit (Unisys Audit SITP).

182

How audit works

Other services
client:182auditresponse client:182auditresponse

The client sends a request to port 182 and the audit 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
Well-known (0-1023)
Category
Other services
01 Security

Is port 182 dangerous?

We have no specific security note for port 182. 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 182

ServicePortTransportDescriptionReferenceUpdated
audit 182 TCP, UDP Unisys Audit SITP - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 182, and is it reachable?

Linux

sudo ss -ltnup 'sport = :182'      # process listening on 182
sudo lsof -nP -i :182

macOS

sudo lsof -nP -i :182

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 182 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 182
netstat -ano | findstr :182

From another machine

nmap -p 182 -sV <host>
sudo nmap -sU -p 182 <host>
nc -zv <host> 182

Block it in the firewall

sudo ufw deny 182/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 182" -Direction Inbound -LocalPort 182 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 182 used for?

Port 182 is assigned by IANA to audit (Unisys Audit SITP).

Is port 182 TCP or UDP?

Port 182 is registered for TCP and UDP.

Is it safe to open port 182?

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 182 is open?

On Linux run "ss -ltnup 'sport = :182'", on macOS "lsof -nP -i :182", and on Windows "netstat -ano | findstr :182" to see the local process. From another machine, "nmap -p 182 <host>" shows whether it is reachable.

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