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// Other services

Port 1272: CSPMLockMgr

Port 1272 is assigned by IANA to cspmlockmgr (CSPMLockMgr).

1272

How cspmlockmgr works

Other services
client:1272cspmlockmgrresponse client:1272cspmlockmgrresponse

The client sends a request to port 1272 and the cspmlockmgr 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 1272 dangerous?

We have no specific security note for port 1272. 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 1272

ServicePortTransportDescriptionReferenceUpdated
cspmlockmgr 1272 TCP, UDP CSPMLockMgr - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1272, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1272'      # process listening on 1272
sudo lsof -nP -i :1272

macOS

sudo lsof -nP -i :1272

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1272 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1272
netstat -ano | findstr :1272

From another machine

nmap -p 1272 -sV <host>
sudo nmap -sU -p 1272 <host>
nc -zv <host> 1272

Block it in the firewall

sudo ufw deny 1272/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1272" -Direction Inbound -LocalPort 1272 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1272 used for?

Port 1272 is assigned by IANA to cspmlockmgr (CSPMLockMgr).

Is port 1272 TCP or UDP?

Port 1272 is registered for TCP and UDP.

Is it safe to open port 1272?

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 1272 is open?

On Linux run "ss -ltnup 'sport = :1272'", on macOS "lsof -nP -i :1272", and on Windows "netstat -ano | findstr :1272" to see the local process. From another machine, "nmap -p 1272 <host>" shows whether it is reachable.

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