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Port 8194 (blp1)

IANA assigns port 8194 to blp1: Bloomberg data API.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
blp1 TCP Bloomberg data API Albert Hou -
blp1 UDP Bloomberg data API Albert Hou -

Registry dates for this port: registered 2006-05.

Check what is listening on port 8194

Linux: is anything listening on TCP 8194?
sudo ss -tlnp 'sport = :8194'
Linux: UDP 8194
sudo ss -ulnp 'sport = :8194'
Linux / macOS: which process owns the port
sudo lsof -nP -i :8194
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':8194 '
Windows (Command Prompt)
netstat -ano | findstr :8194
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8194 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 8194
From Windows
Test-NetConnection HOST -Port 8194
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 8194

Block port 8194 in the firewall

ufw
sudo ufw deny 8194/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 8194 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 8194 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 8194' -Direction Inbound -Protocol TCP -LocalPort 8194 -Action Block
ufw
sudo ufw deny 8194/udp
iptables
sudo iptables -A INPUT -p udp --dport 8194 -j DROP
nftables
sudo nft add rule inet filter input udp dport 8194 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 8194' -Direction Inbound -Protocol UDP -LocalPort 8194 -Action Block

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