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// Other services

Port 1464: MSL License Manager

Port 1464 is assigned by IANA to msl_lmd (MSL License Manager), msl-lmd (MSL License Manager IANA assigned this well-formed service name as a replacement for "msl_lmd".).

1464

How msl_lmd works

Other services
client:1464msl_lmdresponse client:1464msl_lmdresponse

The client sends a request to port 1464 and the msl_lmd 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 1464 dangerous?

We have no specific security note for port 1464. 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 1464

ServicePortTransportDescriptionReferenceUpdated
msl_lmd 1464 TCP, UDP MSL License Manager - -
msl-lmd 1464 TCP, UDP MSL License Manager IANA assigned this well-formed service name as a replacement for "msl_lmd". - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1464, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1464'      # process listening on 1464
sudo lsof -nP -i :1464

macOS

sudo lsof -nP -i :1464

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1464 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1464
netstat -ano | findstr :1464

From another machine

nmap -p 1464 -sV <host>
sudo nmap -sU -p 1464 <host>
nc -zv <host> 1464

Block it in the firewall

sudo ufw deny 1464/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1464" -Direction Inbound -LocalPort 1464 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1464 used for?

Port 1464 is assigned by IANA to msl_lmd (MSL License Manager), msl-lmd (MSL License Manager IANA assigned this well-formed service name as a replacement for "msl_lmd".).

Is port 1464 TCP or UDP?

Port 1464 is registered for TCP and UDP.

Is it safe to open port 1464?

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 1464 is open?

On Linux run "ss -ltnup 'sport = :1464'", on macOS "lsof -nP -i :1464", and on Windows "netstat -ano | findstr :1464" to see the local process. From another machine, "nmap -p 1464 <host>" shows whether it is reachable.

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