# Security test
        if ($QueryString =~ /LogFile=([^&]+)/i)                         { error("Logfile parameter can't be overwritten when AWStats is used from a CGI"); }
        # No update but report by default when run from a browser
        $UpdateStats=($QueryString=~/update=1/i?1:0);

        if ($QueryString =~ /config=([^&]+)/i)                          { $SiteConfig=&DecodeEncodedString("$1"); }
        if ($QueryString =~ /diricons=([^&]+)/i)                        { $DirIcons=&DecodeEncodedString("$1"); }
        if ($QueryString =~ /pluginmode=([^&]+)/i)                      { $PluginMode=&Sanitize(&DecodeEncodedString("$1"),1); }
        if ($QueryString =~ /configdir=([^&]+)/i)                       { $DirConfig=&Sanitize(&DecodeEncodedString("$1")); }
        # All filters
        if ($QueryString =~ /hostfilter=([^&]+)/i)                      { $FilterIn{'host'}=&DecodeEncodedString("$1"); }                       # Filter on host list can also be defined with hostfilter=filter
        if ($QueryString =~ /hostfilterex=([^&]+)/i)            { $FilterEx{'host'}=&DecodeEncodedString("$1"); }                       #
        if ($QueryString =~ /urlfilter=([^&]+)/i)                       { $FilterIn{'url'}=&DecodeEncodedString("$1"); }                        # Filter on URL list can also be defined with urlfilter=filter
        if ($QueryString =~ /urlfilterex=([^&]+)/i)                     { $FilterEx{'url'}=&DecodeEncodedString("$1"); }                        #
        if ($QueryString =~ /refererpagesfilter=([^&]+)/i)      { $FilterIn{'refererpages'}=&DecodeEncodedString("$1"); }       # Filter on referer list can also be defined with refererpagesfilter=filter
        if ($QueryString =~ /refererpagesfilterex=([^&]+)/i) { $FilterEx{'refererpages'}=&DecodeEncodedString("$1"); }  #
        # All output