Office cat says
All work and no cat petting makes for a very cranky, and in the way, cat.
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GFI/SORBS considered harmful, part 3
Act 1 • Act 2 • Intermezzo • Act 3 • Act 4 • Act 5
Management Summary, Redistributable Documents and Links
In the last few days we’ve talked about GFI’s lack of responsiveness, the poor quality of their reputation and blacklist data, and the interesting details of their DDoS claims. Today we’re going to look at (some of) the fundamental problems with GFI’s procedures and infrastructure that cause those issues. Some of the subset of issues I’ve chosen highlight are minor, some are major, but they show a pattern of poor decisions.
SSL Certificates
When you use SSL on a web connection it brings you two benefits. The first is that it encrypts the connection between your browser and the webserver, so that it’s very difficult for anyone to watch or tamper with your interaction with that webserver. The second, more important, reason is to make sure that you’re talking to the webserver you think you’re talking to, to avoid man-in-the-middle attacks.
This security relies on you trusting the certification authority that issues the SSL certificate that the website uses. A website providing services to the public should always use an SSL certificate created by one of a small number of reputable certification authorities that are pre-loaded into all webservers as “trusted”. These SSL certificates are something that need to be be purchased, but they’re very inexpensive – less than ten dollars a year.
GFI/SORBS – should I use them?
Act 1 • Act 2 • Intermezzo • Act 3 • Act 4 • Act 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.
Today I’m looking at how this information should affect your choice of spam filtering technology.
ESPs being targeted
There has been an ongoing, concerted attack against ESPs recently. Today ReturnPath published some of what is known about the attack.
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