- 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 2813: llm-pass
Port 2813 is assigned by IANA to llm-pass (llm-pass).
2813
How llm-pass works
Other servicesThe client sends a request to port 2813 and the llm-pass 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 2813 dangerous?
We have no specific security note for port 2813. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 2813
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| llm-pass | 2813 | TCP, UDP | llm-pass | - | 2020-07-20 |
// source: IANA service name and port number registry
Which program uses port 2813, and is it reachable?
Linux
sudo ss -ltnup 'sport = :2813' # process listening on 2813
sudo lsof -nP -i :2813macOS
sudo lsof -nP -i :2813
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2813 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 2813 netstat -ano | findstr :2813
From another machine
nmap -p 2813 -sV <host> sudo nmap -sU -p 2813 <host> nc -zv <host> 2813
Block it in the firewall
sudo ufw deny 2813/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 2813" -Direction Inbound -LocalPort 2813 -Protocol TCP -Action Block # Windows
What is port 2813 used for?
Port 2813 is assigned by IANA to llm-pass (llm-pass).
Is port 2813 TCP or UDP?
Port 2813 is registered for TCP and UDP.
Is it safe to open port 2813?
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 2813 is open?
On Linux run "ss -ltnup 'sport = :2813'", on macOS "lsof -nP -i :2813", and on Windows "netstat -ano | findstr :2813" to see the local process. From another machine, "nmap -p 2813 <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