If you look after a remote linux box, the chances are you use SSH, in order to connect to it you may even have to leave PORT 22 open to the whole Internet !
There are some basic security steps that you can do to protect SSH, such as block the ...
IDS vs IPS
Network Intrusion detection systems (NIDS) , and Network Intrusion Prevention (NIPS) systems are a common complement to a firewall implementation; couple this with Host IDS (HIDS) or Host IPS (HIPS) and you've made a good start at implementing an advanced security infrastructure ;)
What's the difference ?
Sadly there's no ...
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