HTTPfy

Port 3410 (networklenss)

IANA assigns port 3410 to networklenss: NetworkLens SSL Event.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
networklenss TCP NetworkLens SSL Event Greg Bailey -
networklenss UDP NetworkLens SSL Event Greg Bailey -

Registry dates for this port: registered 2002-02.

Check what is listening on port 3410

Linux: is anything listening on TCP 3410?
sudo ss -tlnp 'sport = :3410'
Linux: UDP 3410
sudo ss -ulnp 'sport = :3410'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3410
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3410 '
Windows (Command Prompt)
netstat -ano | findstr :3410
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3410 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3410
From Windows
Test-NetConnection HOST -Port 3410
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3410

Block port 3410 in the firewall

ufw
sudo ufw deny 3410/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3410 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3410 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3410' -Direction Inbound -Protocol TCP -LocalPort 3410 -Action Block
ufw
sudo ufw deny 3410/udp
iptables
sudo iptables -A INPUT -p udp --dport 3410 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3410 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3410' -Direction Inbound -Protocol UDP -LocalPort 3410 -Action Block

Related ports

3408BESApi3409networklens3411biolink-auth3412xmlblaster

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.