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Category Archives: Internetworking/Mail and news

New RFC on DNSBL operational practices

19-Jan-12

The Internet Research Task Force has published informational RFC 6471 on DNSBL operational practices. The acronym DNSBL stands for ‘DNS-based list’, which is more apt than ‘DNS blacklist’ as the DNSBL format can also be used to publish whitelists.

Abusable tell-a-friend scripts considered harmful

21-Oct-11

Many websites provide so-called tell-a-friend forms allowing visitors to recommend a page to an acquaintance. Unfortunately, fraudsters and other spammers constantly abuse such forms.