HTTPfy

Port 1294 (cmmdriver)

IANA assigns port 1294 to cmmdriver: CMMdriver.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
cmmdriver TCP CMMdriver Lutz Karras -
cmmdriver UDP CMMdriver Lutz Karras -

Check what is listening on port 1294

Linux: is anything listening on TCP 1294?
sudo ss -tlnp 'sport = :1294'
Linux: UDP 1294
sudo ss -ulnp 'sport = :1294'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1294
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1294 '
Windows (Command Prompt)
netstat -ano | findstr :1294
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1294 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1294
From Windows
Test-NetConnection HOST -Port 1294
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1294

Block port 1294 in the firewall

ufw
sudo ufw deny 1294/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1294 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1294 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1294' -Direction Inbound -Protocol TCP -LocalPort 1294 -Action Block
ufw
sudo ufw deny 1294/udp
iptables
sudo iptables -A INPUT -p udp --dport 1294 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1294 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1294' -Direction Inbound -Protocol UDP -LocalPort 1294 -Action Block

Related ports

1292dsdn1293pkt-krb-ipsec1295ehtp1296dproxy

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