Author Archives: admin

Stop spam-bots in PHPBB 2.x. Cheap, easy BOT stopper

Posted on June 5, 2007 by admin

WARNING!  As of this writing, this information pertains to the 2.x branch of phpBB.  I strongly recommend you upgrade to the latest phpBB.  As of April 28, 2009 that version is 3.0.4.  Please see http://phpbb.com NOTICE: I have an updated … Continue reading →

Posted in How Tos, php, phpbb, spam | Leave a comment

Perl code to find an IP A in subnet B/C

Posted on June 5, 2007 by admin

my $ip = ‘1.2.3.4’; my $block1 = ‘1.2.3.0/27’; if(checkip($ip, $block1)) { print STDOUT “$ip is in $block1\n”; } else { print STDOUT “$ip is not in $block1\n”; } sub checkip() { my $ip = shift; my $block = shift; @ip1 … Continue reading →

Posted in How Tos, ip addressing, ipv4, networking, perl, Programming | Leave a comment

PHP Header injection

Posted on May 21, 2007 by admin

I regularly shut down web sites that use the PHP mail() function. While the users of the sites mean well, they generally don’t do any checking before sending data to mail(). I’m not going to weigh in mail(). Enough has … Continue reading →

Posted in How Tos, Mail Post, php, Programming | Leave a comment