Disable insecure Cpanel cgi-sys scripts -- ¿?¿?

[sh4ka]

Can anyone tlel me if this is secure to do.. or will break some WHM or cPanel function ? Took this little post from here and I need to know if it is secure to disable all this stuff:

Disable insecure Cpanel cgi-sys scripts
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cd /usr/local/cpanel/cgi-sys; ls -lh

chmod 0 addalink.cgi cgiecho cgiemail entropybanner.cgi-wrap entropysearch.cgi formmail.cgi FormMail.cgi FormMail-clone.cgi formmail.pl FormMail.pl guestbook.cgi helpdesk.cgi randhtml.cgi-wrap realhelpdesk.cgi realsignup.cgi scgiwrap signup.cgi

chattr +i addalink.cgi cgiecho cgiemail entropybanner.cgi-wrap entropysearch.cgi formmail.cgi FormMail.cgi FormMail-clone.cgi formmail.pl FormMail.pl guestbook.cgi helpdesk.cgi randhtml.cgi-wrap realhelpdesk.cgi realsignup.cgi scgiwrap signup.cgi;ls -lh

thkz!

[sh4ka]

anyone please ?