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// Other services

Port 1153: ANSI C12.22 Port

Port 1153 is assigned by IANA to c1222-acse (ANSI C12.22 Port).

1153

How c1222-acse works

Other services
client:1153c1222-acseresponse client:1153c1222-acseresponse

The client sends a request to port 1153 and the c1222-acse 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 1153 dangerous?

We have no specific security note for port 1153. 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 1153

ServicePortTransportDescriptionReferenceUpdated
c1222-acse 1153 TCP, UDP ANSI C12.22 Port RFC 6142 -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1153, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1153'      # process listening on 1153
sudo lsof -nP -i :1153

macOS

sudo lsof -nP -i :1153

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1153 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1153
netstat -ano | findstr :1153

From another machine

nmap -p 1153 -sV <host>
sudo nmap -sU -p 1153 <host>
nc -zv <host> 1153

Block it in the firewall

sudo ufw deny 1153/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1153" -Direction Inbound -LocalPort 1153 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1153 used for?

Port 1153 is assigned by IANA to c1222-acse (ANSI C12.22 Port).

Is port 1153 TCP or UDP?

Port 1153 is registered for TCP and UDP.

Is it safe to open port 1153?

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 1153 is open?

On Linux run "ss -ltnup 'sport = :1153'", on macOS "lsof -nP -i :1153", and on Windows "netstat -ano | findstr :1153" to see the local process. From another machine, "nmap -p 1153 <host>" shows whether it is reachable.

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