Port 36602 (observium-agent)

IANA assigns port 36602 to observium-agent: Observium statistics collection agent.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

observium-agent TCP Observium statistics collection agent Observium -

Registry dates for this port: registered 2013-05-10.

Linux: is anything listening on TCP 36602?

sudo ss -tlnp 'sport = :36602'

Linux / macOS: which process owns the port

sudo lsof -nP -i :36602

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':36602 '

Windows (Command Prompt)

netstat -ano | findstr :36602

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 36602 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 36602

From Windows

Test-NetConnection HOST -Port 36602

ufw

sudo ufw deny 36602/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 36602 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 36602 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 36602' -Direction Inbound -Protocol TCP -LocalPort 36602 -Action Block

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