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Port 5992 (consul-insight)

IANA assigns port 5992 to consul-insight: Consul InSight Security.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
consul-insight TCP Consul InSight Security Arthur Hillenaar -
consul-insight UDP Consul InSight Security Arthur Hillenaar -

Registry dates for this port: registered 2006-01.

Check what is listening on port 5992

Linux: is anything listening on TCP 5992?
sudo ss -tlnp 'sport = :5992'
Linux: UDP 5992
sudo ss -ulnp 'sport = :5992'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5992
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5992 '
Windows (Command Prompt)
netstat -ano | findstr :5992
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5992 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5992
From Windows
Test-NetConnection HOST -Port 5992
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5992

Block port 5992 in the firewall

ufw
sudo ufw deny 5992/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5992 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5992 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5992' -Direction Inbound -Protocol TCP -LocalPort 5992 -Action Block
ufw
sudo ufw deny 5992/udp
iptables
sudo iptables -A INPUT -p udp --dport 5992 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5992 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5992' -Direction Inbound -Protocol UDP -LocalPort 5992 -Action Block

Related ports

5990wbem-exp-https5991nuxsl5993cim-rs5994rms-agent

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