Alert
From Computing and Software Wiki
Alternation(1):
- warning at least
- or some action taken against the IP that is attacking you.
Alternation(2)
- real time:
best effort.
Data from the network layer.
Drop all the packets from a specific IP: so netfilter for that maybe dangerous. 'cause the pirate may have faked one of your internal IPs and then you are actually cutting of one of your local network connections.
- run time: