Hi, I've been wondering about my friends case. Seems that when he
nmapped his machine port 21 is open, but there is no ftp daemon
installed. He tried
"lsof -i :21"
but it did not return anything. He also tried
"netstat -an | grep 21"
also nothing.
So he asked other people and they told him that his machine was hacked.
The lsof and netstat was modified. The port 21 was a backdoor placed by
the hacker. Now I am not really contented with this answers. Any
suggestions?
--Rod James
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