Prove that you are a human being
In continuing with my observations made , I wonder if the following way of preventing someone from spamming a commenting system really helps: Spam protection: Sum of II plus III plus IV ? If I real...
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Historical Content: This post was published more than 3 years ago and has been preserved for historical reference. Some information may be outdated, and it reflects my understanding of the technology at the time of writing.
In continuing with my observations made here, I wonder if the following way of preventing someone from spamming a commenting system really helps:
____________ Spam protection: Sum of II plus III plus IV ?
If I really want to spam this site, I can write a simple routine to scrape the string matching ‘Sum of ___ ?’ and then feed that into Google like this:
Google search: II plus III plus IV
And there you go! You are spammed!