HTTPfy

Port 19194 (ua-secureagent)

IANA assigns port 19194 to ua-secureagent: UserAuthority SecureAgent.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ua-secureagent TCP UserAuthority SecureAgent Reuven Harrison 2 -
ua-secureagent UDP UserAuthority SecureAgent Reuven Harrison 2 -

Registry dates for this port: registered 2003-01.

Check what is listening on port 19194

Linux: is anything listening on TCP 19194?
sudo ss -tlnp 'sport = :19194'
Linux: UDP 19194
sudo ss -ulnp 'sport = :19194'
Linux / macOS: which process owns the port
sudo lsof -nP -i :19194
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':19194 '
Windows (Command Prompt)
netstat -ano | findstr :19194
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 19194 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 19194
From Windows
Test-NetConnection HOST -Port 19194
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 19194

Block port 19194 in the firewall

ufw
sudo ufw deny 19194/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 19194 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 19194 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 19194' -Direction Inbound -Protocol TCP -LocalPort 19194 -Action Block
ufw
sudo ufw deny 19194/udp
iptables
sudo iptables -A INPUT -p udp --dport 19194 -j DROP
nftables
sudo nft add rule inet filter input udp dport 19194 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 19194' -Direction Inbound -Protocol UDP -LocalPort 19194 -Action Block

Related ports

19020j-link19191opsec-uaa19220cora, cora-disc19283keysrvr

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