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Why block incoming pings?
ICMP is used by many networking systems and applications. It exists for a reason. Blocking it defeats its whole purpose and doesn't add any security to your system. The traffic should be allowed unless the system has a particular reason for turning them off. Blocking protocols without understanding why and how things work on a network is not secure at all. It just breaks things.
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Why block incoming pings?
Ummn... I prefer to think of it in this way:
NONSENSE
The internet dosn't need to know my machine is reachable. |
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