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Flibble

4 年 ago

in Cisco PIX: Allow traffic to an internal host | Cisco firewall | Tech-Recipes on Tech-Recipes
or rather ICMP doesn't JUST equal PING. Opening up all of the ICMP protocol allows source quenches, router redirection and a whole host of stuff that can cause problems. If all that is required is PING then restrict the traffic to echo request <->echo reply.
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