Related Posts

Reputation monitoring sites

There are a number of sites online that provide public information about reputation of an IP address or domain name.

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GFI/SORBS – a DDoS Intermezzo

Act 1Act 2IntermezzoAct 3Act 4Act 5
Management Summary, Redistributable Documents and Links
I’ve been stage-managing for a production of The Nutcracker this week, so musical terminology is on my mind. In opera, the intermezzo is a comedic interlude between acts of an opera series.
This comedic interlude is about the “DDoS” – a distributed denial of service attack. What is a denial of service attack?

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GFI/SORBS – I'm blacklisted, now what?

Act 1Act 2IntermezzoAct 3Act 4Act 5
Management Summary, Redistributable Documents and Links
In the past week we’ve demonstrated that the SORBS reputation data is riddled with mistakes, poor practices, security holes and operational problems, and that the quality of the end result is really too poor to be useful.
What does this mean to you though? There are really two aspects: 1. what to do if you’re blacklisted or blocked by GFI or based on GFI/SORBS data and 2. how this information should affect your choice of spam filtering technology. We’ll be looking at the first point today, and the second tomorrow.

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