Port 33000 (wg-endpt-comms)

IANA assigns port 33000 to wg-endpt-comms: WatchGuard Endpoint Communications.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

wg-endpt-comms TCP WatchGuard Endpoint Communications WatchGuard Technologies Inc -

Registry dates for this port: registered 2020-01-16.

Linux: is anything listening on TCP 33000?

sudo ss -tlnp 'sport = :33000'

Linux / macOS: which process owns the port

sudo lsof -nP -i :33000

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':33000 '

Windows (Command Prompt)

netstat -ano | findstr :33000

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 33000 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 33000

From Windows

Test-NetConnection HOST -Port 33000

ufw

sudo ufw deny 33000/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 33000 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 33000 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 33000' -Direction Inbound -Protocol TCP -LocalPort 33000 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.