conntrack
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 --dump
- Display a real-time event log of connection changes:
conntrack --event
- Display a real-time event log of connection changes and associated timestamps:
conntrack --event -o timestamp
- Display a real-time event log of connection changes for a specific IP address:
conntrack --event --orig-src ip_address
- Delete all flows for a specific source IP address:
conntrack --delete --orig-src ip_address