- 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 3410: NetworkLens SSL Event
Port 3410 is assigned by IANA to networklenss (NetworkLens SSL Event).
How networklenss works
Other servicesThe client sends a request to port 3410 and the networklenss 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 3410 dangerous?
We have no specific security note for port 3410. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 3410
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| networklenss | 3410 | TCP, UDP | NetworkLens SSL Event | - | 2002-02 |
// source: IANA service name and port number registry
Which program uses port 3410, and is it reachable?
Linux
sudo ss -ltnup 'sport = :3410' # process listening on 3410
sudo lsof -nP -i :3410macOS
sudo lsof -nP -i :3410
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3410 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 3410 netstat -ano | findstr :3410
From another machine
nmap -p 3410 -sV <host> sudo nmap -sU -p 3410 <host> nc -zv <host> 3410
Block it in the firewall
sudo ufw deny 3410/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 3410" -Direction Inbound -LocalPort 3410 -Protocol TCP -Action Block # Windows
What is port 3410 used for?
Port 3410 is assigned by IANA to networklenss (NetworkLens SSL Event).
Is port 3410 TCP or UDP?
Port 3410 is registered for TCP and UDP.
Is it safe to open port 3410?
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 3410 is open?
On Linux run "ss -ltnup 'sport = :3410'", on macOS "lsof -nP -i :3410", and on Windows "netstat -ano | findstr :3410" to see the local process. From another machine, "nmap -p 3410 <host>" shows whether it is reachable.