test.pl : v6.01.18
                Perl : v5.010001
           CGI::Carp : installed
      Compress::Zlib : installed
                 LWP : v5.833 installed
         LWP::Simple : installed
         LWP::Simple : rx ok
                @INC : /usr/local/lib64/perl5
                     & /usr/local/share/perl5
                     & /usr/lib64/perl5/vendor_perl
                     & /usr/share/perl5/vendor_perl
                     & /usr/lib64/perl5
                     & /usr/share/perl5
                     & .
       DOCUMENT_ROOT : /home/httpd/htdocs/bill
   GATEWAY_INTERFACE : CGI/1.1
         HTTP_ACCEPT : text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
HTTP_ACCEPT_ENCODING : br,gzip
HTTP_ACCEPT_LANGUAGE : en-US,en;q=0.5
     HTTP_CONNECTION : Keep-Alive
           HTTP_HOST : csco.com.hk
HTTP_IF_MODIFIED_SINCE : Wed, 23 Oct 2019 12:56:30 UTC
     HTTP_USER_AGENT : CCBot/2.0 (https://commoncrawl.org/faq/)
                PATH : /sbin:/usr/sbin:/bin:/usr/bin
        QUERY_STRING : 
         REMOTE_ADDR : 18.208.132.33
         REMOTE_PORT : 41024
      REQUEST_METHOD : GET
         REQUEST_URI : /test.pl
     SCRIPT_FILENAME : /home/httpd/htdocs/bill/test.pl
         SCRIPT_NAME : /test.pl
         SERVER_ADDR : 172.31.141.126
        SERVER_ADMIN : root@localhost
         SERVER_NAME : csco.com.hk
         SERVER_PORT : 80
     SERVER_PROTOCOL : HTTP/1.1
    SERVER_SIGNATURE : 
Apache/2.2.15 (CentOS) Server at csco.com.hk Port 80

     SERVER_SOFTWARE : Apache/2.2.15 (CentOS)