- 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 3810: WLAN AS server
Port 3810 is assigned by IANA to wlanauth (WLAN AS server).
3810
How wlanauth works
Other servicesThe client sends a request to port 3810 and the wlanauth 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 3810 dangerous?
We have no specific security note for port 3810. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 3810
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| wlanauth | 3810 | TCP, UDP | WLAN AS server | - | 2004-02 |
// source: IANA service name and port number registry
Which program uses port 3810, and is it reachable?
Linux
sudo ss -ltnup 'sport = :3810' # process listening on 3810
sudo lsof -nP -i :3810macOS
sudo lsof -nP -i :3810
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3810 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 3810 netstat -ano | findstr :3810
From another machine
nmap -p 3810 -sV <host> sudo nmap -sU -p 3810 <host> nc -zv <host> 3810
Block it in the firewall
sudo ufw deny 3810/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 3810" -Direction Inbound -LocalPort 3810 -Protocol TCP -Action Block # Windows
What is port 3810 used for?
Port 3810 is assigned by IANA to wlanauth (WLAN AS server).
Is port 3810 TCP or UDP?
Port 3810 is registered for TCP and UDP.
Is it safe to open port 3810?
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 3810 is open?
On Linux run "ss -ltnup 'sport = :3810'", on macOS "lsof -nP -i :3810", and on Windows "netstat -ano | findstr :3810" to see the local process. From another machine, "nmap -p 3810 <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