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// Other services

Port 1461: IBM Wireless LAN

Port 1461 is assigned by IANA to ibm_wrless_lan (IBM Wireless LAN), ibm-wrless-lan (IBM Wireless LAN IANA assigned this well-formed service name as a replacement for "ibm_wrless_lan".).

1461

How ibm_wrless_lan works

Other services
client:1461ibm_wrless_lanresponse client:1461ibm_wrless_lanresponse

The client sends a request to port 1461 and the ibm_wrless_lan 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 1461 dangerous?

We have no specific security note for port 1461. 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 1461

ServicePortTransportDescriptionReferenceUpdated
ibm_wrless_lan 1461 TCP, UDP IBM Wireless LAN - -
ibm-wrless-lan 1461 TCP, UDP IBM Wireless LAN IANA assigned this well-formed service name as a replacement for "ibm_wrless_lan". - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1461, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1461'      # process listening on 1461
sudo lsof -nP -i :1461

macOS

sudo lsof -nP -i :1461

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1461 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1461
netstat -ano | findstr :1461

From another machine

nmap -p 1461 -sV <host>
sudo nmap -sU -p 1461 <host>
nc -zv <host> 1461

Block it in the firewall

sudo ufw deny 1461/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1461" -Direction Inbound -LocalPort 1461 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1461 used for?

Port 1461 is assigned by IANA to ibm_wrless_lan (IBM Wireless LAN), ibm-wrless-lan (IBM Wireless LAN IANA assigned this well-formed service name as a replacement for "ibm_wrless_lan".).

Is port 1461 TCP or UDP?

Port 1461 is registered for TCP and UDP.

Is it safe to open port 1461?

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 1461 is open?

On Linux run "ss -ltnup 'sport = :1461'", on macOS "lsof -nP -i :1461", and on Windows "netstat -ano | findstr :1461" to see the local process. From another machine, "nmap -p 1461 <host>" shows whether it is reachable.

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