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Port 414 (infoseek)

IANA assigns port 414 to infoseek: InfoSeek.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
infoseek TCP InfoSeek Steve Kirsch -
infoseek UDP InfoSeek Steve Kirsch -

Check what is listening on port 414

Linux: is anything listening on TCP 414?
sudo ss -tlnp 'sport = :414'
Linux: UDP 414
sudo ss -ulnp 'sport = :414'
Linux / macOS: which process owns the port
sudo lsof -nP -i :414
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':414 '
Windows (Command Prompt)
netstat -ano | findstr :414
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 414 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 414
From Windows
Test-NetConnection HOST -Port 414
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 414

Block port 414 in the firewall

ufw
sudo ufw deny 414/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 414 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 414 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 414' -Direction Inbound -Protocol TCP -LocalPort 414 -Action Block
ufw
sudo ufw deny 414/udp
iptables
sudo iptables -A INPUT -p udp --dport 414 -j DROP
nftables
sudo nft add rule inet filter input udp dport 414 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 414' -Direction Inbound -Protocol UDP -LocalPort 414 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.