HTTPfy

Port 3402 (fxaengine-net)

IANA assigns port 3402 to fxaengine-net: FXa Engine Network Port.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
fxaengine-net TCP FXa Engine Network Port Lucas Alonso -
fxaengine-net UDP FXa Engine Network Port Lucas Alonso -

Registry dates for this port: registered 2002-02.

Check what is listening on port 3402

Linux: is anything listening on TCP 3402?
sudo ss -tlnp 'sport = :3402'
Linux: UDP 3402
sudo ss -ulnp 'sport = :3402'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3402
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3402 '
Windows (Command Prompt)
netstat -ano | findstr :3402
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3402 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3402
From Windows
Test-NetConnection HOST -Port 3402
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3402

Block port 3402 in the firewall

ufw
sudo ufw deny 3402/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3402 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3402 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3402' -Direction Inbound -Protocol TCP -LocalPort 3402 -Action Block
ufw
sudo ufw deny 3402/udp
iptables
sudo iptables -A INPUT -p udp --dport 3402 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3402 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3402' -Direction Inbound -Protocol UDP -LocalPort 3402 -Action Block

Related ports

3400csms23401filecast3405nokia-ann-ch13406nokia-ann-ch2

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