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Port 1794 (cera-bcm)

IANA assigns port 1794 to cera-bcm.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
cera-bcm TCP cera-bcm Leo Moesgaard -
cera-bcm UDP cera-bcm Leo Moesgaard -

Check what is listening on port 1794

Linux: is anything listening on TCP 1794?
sudo ss -tlnp 'sport = :1794'
Linux: UDP 1794
sudo ss -ulnp 'sport = :1794'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1794
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1794 '
Windows (Command Prompt)
netstat -ano | findstr :1794
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1794 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1794
From Windows
Test-NetConnection HOST -Port 1794
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1794

Block port 1794 in the firewall

ufw
sudo ufw deny 1794/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1794 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1794 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1794' -Direction Inbound -Protocol TCP -LocalPort 1794 -Action Block
ufw
sudo ufw deny 1794/udp
iptables
sudo iptables -A INPUT -p udp --dport 1794 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1794 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1794' -Direction Inbound -Protocol UDP -LocalPort 1794 -Action Block

Related ports

1792ibm-dt-21793rsc-robot1795dpi-proxy1796vocaltec-admin

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