Today, researchers have disclosed their findings on a novel Windows malware sample that uses Internet Control Message Protocol (ICMP) for its command-and-control (C2) activities. Dubbed "Pingback," ...
Hi,<BR><BR>I am having some problems with ICMP echo-replies through my PIX. I am trying to block ICMP echo requests from the internet, but allow ICMP echo requests out to the internet from the clients ...
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