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: