Zimbra Blog

JavaScript Hijacking

Posted in Open Source by Kevin Henrikson on April 5th, 2007

In the past few days news sites and a few blogs have picked up a document written by Fortify Software regarding “JavaScript Hijacking”. We’ve also had a few customers and our community ask for Zimbra’s view on the topic. First and foremost we take security very seriously. We’ve talked about securing ajax in the past but would like to reinforce a couple points in light of the most recent news.

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Securing Ajax

Posted in Open Source, Zimbra Web Client by Scott Dietzen on September 9th, 2006

To continue the Zimbra blog series on Ajax (recent entries include Ajax innovation is about the server, Ajax optimization techniques (presented at OSCON), OpenAjax update, and Ajax’s impact on scaling), we wanted to offer some general thoughts on securing Ajax applications gleaned, of course, from our Zimbra experience.

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Is your mail server an open relay?

Posted in Zimbra Server by Kevin Henrikson on October 25th, 2005

Some of you may already know about this but for those who don’t or forgot. After setting up your mail server you should run a mail relay test. This will run several tests against your MTA and verify it’s properly configured. By default Zimbra ships postfix such that it’s not a relay. However any custom config may open your server up for abuse. Always better to check before a spammer finds you!