Port 3114 (ccmad)

IANA assigns port 3114 to ccmad: CCM AutoDiscover.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference

ccmad TCP CCM AutoDiscover Ram Sudama -

ccmad UDP CCM AutoDiscover Ram Sudama -

Linux: is anything listening on TCP 3114?

sudo ss -tlnp 'sport = :3114'

Linux: UDP 3114

sudo ss -ulnp 'sport = :3114'

Linux / macOS: which process owns the port

sudo lsof -nP -i :3114

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':3114 '

Windows (Command Prompt)

netstat -ano | findstr :3114

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3114 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 3114

From Windows

Test-NetConnection HOST -Port 3114

UDP probe (no reply does not prove it is closed)

nc -vzu -w 5 HOST 3114

ufw

sudo ufw deny 3114/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 3114 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 3114 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 3114' -Direction Inbound -Protocol TCP -LocalPort 3114 -Action Block

ufw

sudo ufw deny 3114/udp

iptables

sudo iptables -A INPUT -p udp --dport 3114 -j DROP

nftables

sudo nft add rule inet filter input udp dport 3114 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block UDP 3114' -Direction Inbound -Protocol UDP -LocalPort 3114 -Action Block

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