conntrack Command Examples

Interact with the Netfilter connection tracking system. Search, list, inspect, modify, and delete connection flows. More information: https://manned.org/conntrack.

• List all currently tracked connections:

conntrack {{[-L|--dump]}}

• Display a real-time event log of connection changes:

conntrack {{[-E|--event]}}

• Display a real-time event log of connection changes and associated timestamps:

conntrack {{[-E|--event]}} {{[-o|--output]}} timestamp

• Display a real-time event log of connection changes for a specific IP address:

conntrack {{[-E|--event]}} {{[-s|--orig-src]}} {{ip_address}}

• Delete all flows for a specific source IP address:

conntrack {{[-D|--delete]}} {{[-s|--orig-src]}} {{ip_address}}