A Perl script protects forums against spam
SPAM STOPPER
Spammers don’t just send email. They exploit discussion forums and blogs, posting pseudo-messages full of links to dupe search engines. A Perl script cleans up the mess.
My own small discussion forum on perlmeister. com has attracted too much attention from link spammers recently. These parasites of the Web target their bots at popular forum software tools such as phpBB or blog applications such as Wordpress, bombarding them with postings that contain very little aside from links to poker and sex pages. Spammers try to lure forum visitors into clicking on their sponsors’ websites, and they are trying to dupe the major search engines that rate the importance of a page based on the links pointing to it. Spanner in the Spambot’s Works What is known as comment spam [2] can be reduced by restricting postings to registered users. But this obstacle is also likely to frighten off legitimate users who have qualms about privacy issues. And moderating every posting before it appears on the website may keep the spammers out, but the effort required for these checks is immense – not to mention the unavoidable delays that hamstring any discussion.
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
US / Canada
UK / Australia
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
Wayland 1.24 Released with Fixes and New Features
Wayland continues to move forward, while X11 slowly vanishes into the shadows, and the latest release includes plenty of improvements.
-
Bugs Found in sudo
Two critical flaws allow users to gain access to root privileges.
-
Fedora Continues 32-Bit Support
In a move that should come as a relief to some portions of the Linux community, Fedora will continue supporting 32-bit architecture.
-
Linux Kernel 6.17 Drops bcachefs
After a clash over some late fixes and disagreements between bcachefs's lead developer and Linus Torvalds, bachefs is out.
-
ONLYOFFICE v9 Embraces AI
Like nearly all office suites on the market (except LibreOffice), ONLYOFFICE has decided to go the AI route.
-
Two Local Privilege Escalation Flaws Discovered in Linux
Qualys researchers have discovered two local privilege escalation vulnerabilities that allow hackers to gain root privileges on major Linux distributions.
-
New TUXEDO InfinityBook Pro Powered by AMD Ryzen AI 300
The TUXEDO InfinityBook Pro 14 Gen10 offers serious power that is ready for your business, development, or entertainment needs.
-
LibreOffice Tested as Possible Office 365 Alternative
Another major organization has decided to test the possibility of migrating from Microsoft's Office 365 to LibreOffice.
-
Linux Mint 20 Reaches EOL
With Linux Mint 20 at its end of life, the time has arrived to upgrade to Linux Mint 22.
-
TuxCare Announces Support for AlmaLinux 9.2
Thanks to TuxCare, AlmaLinux 9.2 (and soon version 9.6) now enjoys years of ongoing patching and compliance.