Deocs Postmaster wrote:
>  From telnet HEAD / HTTP/1.0 returns the type of server,
> installed modules, and other information.  

> Why is this information so openly disclosed, and is
> there an easy way to disable or modify it?

Do you think hiding your apache version number will save you from
hackers? Security through obscurity is no security. A typical hack
program looks like this:

foreach (@list_of_hosts_to_hack) {      
        my $version = get_apache_version_number($_);

        if (defined($version)) {        
                do_fiendish_hack($_);
        }
        else {

                # Drat! hackee has hidden version number!

                do_fiendish_hack_anyway($_);
        }               
}

If you really want to hide it, use the ServerTokens directive.

Rgds,

Owen Boyle.
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