HTTPfy

Port 1193 (fiveacross)

IANA assigns port 1193 to fiveacross: Five Across Server.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
fiveacross TCP Five Across Server Glenn Reid -
fiveacross UDP Five Across Server Glenn Reid -

Registry dates for this port: registered 2004-11.

Check what is listening on port 1193

Linux: is anything listening on TCP 1193?
sudo ss -tlnp 'sport = :1193'
Linux: UDP 1193
sudo ss -ulnp 'sport = :1193'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1193
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1193 '
Windows (Command Prompt)
netstat -ano | findstr :1193
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1193 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1193
From Windows
Test-NetConnection HOST -Port 1193
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1193

Block port 1193 in the firewall

ufw
sudo ufw deny 1193/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1193 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1193 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1193' -Direction Inbound -Protocol TCP -LocalPort 1193 -Action Block
ufw
sudo ufw deny 1193/udp
iptables
sudo iptables -A INPUT -p udp --dport 1193 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1193 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1193' -Direction Inbound -Protocol UDP -LocalPort 1193 -Action Block

Related ports

1191gpfs1192caids-sensor1194OpenVPN1195rsf-1

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