Hi Sergio -Mike,
what is the name of the file that you have downloaded? Where did you download that file?
This should help answer your questions -
Time: Sat Apr 23 03:00:02 EDT 2011 The rules to install are from /root/modsec/modsec-2.5-free-latest.tar.gz Backing up current directory Mod_Sec Directory re-created successfully Unpacking the rules TAR file that was downloaded... Getting rid of 'asl directories' and Moving files into their positions... please wait. Testing rules to be sure there are no errors Syntax OK Apache configuration PASSED! Restarting Apache. (may take up to 2 minutes to restart) Cleaning up UPDATE RULES completed...