Over the next four weeks, we’ll be migrating customer Web sites to upgraded servers. The servers have updated software (and upgraded hardware in some cases), and are also located in a data center with increased power reliability.
For most customers, these changes will be completely unnoticeable. However, a very small number of customers might notice software differences or experience up to five minutes total of “downtime” at some point. We recommend reading through this entire post for details.
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Our business offices will be closed on Monday, September 5 to observe the US Labor Day legal holiday. As always, we’ll provide same-day support for time-sensitive issues via our ticket and e-mail systems. However, questions that aren’t time-sensitive (including most billing matters) may not be answered until Tuesday, and telephone support (via callbacks) will be available only for urgent issues.
We’re making a determined effort to post Twitter status updates very quickly if our monitoring systems detect any kind of problem.
Earlier, we tweeted “We’re investigating a possible outage on the mail.tigertech.net server” because one of the multiple external monitoring systems we use alerted us that it was unable to connect to our mail server cluster.
Upon investigation, it turns out to have just been a false alarm. There was a problem with the monitoring system; there was nothing wrong with the mail servers at all. Unfortunately, there’s probably no way to prevent occasional false alarms like this; we’d rather get the information out quickly, and by definition that means posting preliminary information before we’ve had a chance to fully investigate what’s happening.
Over the next month or so, we’ll be upgrading the POP and IMAP software we use for e-mail mailboxes. We don’t expect customers to notice any change (except possibly improved speed) or experience any service interruption at all; we’re mentioning it just for completeness.
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A popular piece of software called “TimThumb” (aka “timthumb.php”) was recently found to have a security bug that allows “hackers” to take over Web sites that use it (more info here).
Some popular custom WordPress themes include TimThumb as part of their features, making those themes vulnerable to this problem. (Just so it’s clear, TimThumb isn’t specific to WordPress, but that’s probably where it’s most commonly used.)
If you use WordPress and your Dashboard tells you to update your theme, you should do so right away (in fact, you should always update an outdated theme or plugin right away).
However, we’ve also added security rules to our servers to protect our Web hosting customers who haven’t yet upgraded. Other people may find the rules useful if they use mod_security on Apache Web servers. The rest of this post contains more technical details.
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At approximately 11:00 PM Pacific time July 26 2011, the “pazuzu” Web server will be restarted.
As a result, for customers on the “pazuzu” server (only), Web site service and the ability to read incoming e-mail will be unavailable for approximately five minutes. Customers on other servers will not be affected.
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We’ve updated phpMyAdmin to the latest version, 3.4.3.1.
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We’ve installed a PHP 5 security update. Customers should not notice any changes; the update just fixes several security issues in PHP 5.
WordPress 3.2 was released a couple of days ago, and it looks like a great update. (We even contributed a little bit of performance-improving code to it ourselves.)
Our WordPress one-click installer automatically installs the latest version for new installs.
If you’ve previously installed WordPress, you can upgrade it from within your WordPress Dashboard. You should always do that when WordPress tells you there’s a new version available.
Our business offices will be closed on Monday, July 4 to observe the US legal holiday. As always, we’ll provide same-day support for time-sensitive issues via our ticket and e-mail systems. However, questions that aren’t time-sensitive (including most billing matters) may not be answered until the next day, and telephone support (via callbacks) will be available only for urgent problems.
