Sunday, 7 August 2011

Nmap statistics

nmap -n -sn -T4 -oG out.txt -PS1-65535 -PU53,88,123,137,138,161,500,514 x.x.x.x/21
37 hours - full TCP and well known UDP + PING discovery scan.
2048 hosts.
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Ping does not work

Today I would like to discuss a banal situation: host A is directly connected to host B, ping from host A to host B does not work. What are...