- 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.
Port 1111: LM Social Server
Port 1111 is assigned by IANA to lmsocialserver (LM Social Server).
1111
How lmsocialserver works
Other servicesThe client sends a request to port 1111 and the lmsocialserver 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
Is port 1111 dangerous?
We have no specific security note for port 1111. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 1111
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| lmsocialserver | 1111 | TCP, UDP | LM Social Server | - | - |
// source: IANA service name and port number registry
Which program uses port 1111, and is it reachable?
Linux
sudo ss -ltnup 'sport = :1111' # process listening on 1111
sudo lsof -nP -i :1111macOS
sudo lsof -nP -i :1111
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1111 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 1111 netstat -ano | findstr :1111
From another machine
nmap -p 1111 -sV <host> sudo nmap -sU -p 1111 <host> nc -zv <host> 1111
Block it in the firewall
sudo ufw deny 1111/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 1111" -Direction Inbound -LocalPort 1111 -Protocol TCP -Action Block # Windows
What is port 1111 used for?
Port 1111 is assigned by IANA to lmsocialserver (LM Social Server).
Is port 1111 TCP or UDP?
Port 1111 is registered for TCP and UDP.
Is it safe to open port 1111?
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 1111 is open?
On Linux run "ss -ltnup 'sport = :1111'", on macOS "lsof -nP -i :1111", and on Windows "netstat -ano | findstr :1111" to see the local process. From another machine, "nmap -p 1111 <host>" shows whether it is reachable.
Other other services ports
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp