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This weblog brings you news on Greenhost and recent developments in the areas of sustainability, privacy, web hosting, Internet and anything else we think is relevant.

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Time line update severe CPU Intel bugs

As you may have read or heard, the Register announced several severe security problems with Intel processors, which are affecting nearly all computers with modern Intel processors (link below). This means an emergency maintenance window is scheduled from tomorrow onwards (January 4th), which can lead to downtime for your website or Virtual Private Server(s) outside the normal maintenance window. Please see below for more details.

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From now on you can't send any unidentified e-mails from a non-existing email address

To meet the standards we did a necessary update on our SMTP mail server on the 21th of December. This means that from now on you can't send any unidentified emails from a non existing email address. The exceptions to this are the following types of addresses: webmaster@…, noreply@…, no-reply@…, wordpress@…, cron@…, and root@….

Do you still want to use a non existing e-mail address you can simply add a wildcard/catch-all email address. When that is set, all the emails to addresses on this specific domain will be accepted and email can be sent from all possible addresses.
You can create a wild...

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Greenhost Newsletter Autumn 2017

In this newsletter we will give you a short update of the work we did the last couple of months: we've moved office, we have free https security on our website for all our customers, speed improvement of the databases, six tips about the security on your mobile devices and a request not to cooperate with scamming domain sellers.
And if you're a Dutch citizen please don't forget to sign for the referendum about the Sleepwet (dragnet surveillance law)!

The Greenhost team

Greenhost moved!
A moving company that drives on green energy drove our moving boxes, desks and computers from the centre...

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Find more blog posts on our Dutch website

Greenhost moved!

A moving company that drives on green energy moved our boxes, desks and nucs from the canal to the Buiksloterham. An area in Amsterdam North that is in full growth. Slowly plants are arriving and we are starting to get used to our view over the hundred meters broad Johan van Hasselt canal.

Sustainable building

Patch22 is energy neutral and mainly made of renewable materials. It has special glazing and heat recovery units. The roof has sedum covering and solar panels and rainwater is collected and reused in a greywater system. Surplus electricity is returned to the electricity grid. Required...

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Watch out for domain fraud!

Already in June 2016 we posted a blog about domain fraud (in Dutch). Lately we are again receiving several phone calls from customers because scammers are trying to sell them a domain. Don't buy it!

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To cache or not to cache, that's the query

Everyone has had the experience, staring at a browser and wondering why a particular website was taking such a long time to load. What makes websites slow can depend on several factors. Is the code efficient? Is the webserver efficient? How efficient is the storage? As a hosting provider mindful of sustainability, we are always trying to improve performance on our side, while also keeping redundancy in place as much as possible. Recently, we noticed one of our SQL servers was getting slower over time for no apparent reason, so we dug a little deeper to see how we could improve its performance.

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Six mobile device security tips

Your smart phone contains a lot of your private data. But do you know how and where your data is stored? Who has access to it? How do you protect your data from third parties that are trying to collect it?

Smart phone operating systems do not give you much control over your data by default, but with minimal effort you can gain control over your data and your mobile device's behaviour. Following up the six tips below will make it a lot harder for data hoarding advertising networks to get to your private data and helps protect you against dragnet surveillance.

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TLS certificates, for everyone!

As you could read in our blog post from a couple of months ago we have been working on incorporating Let's Encrypt's free TLS certificates in our hosting environment.

TLS certificates are needed for a safe and good website. With it, you will have improved security, more privacy and higher search engine rankings. Please read our previous blog post for a detailed summary of how TLS certificates work. Green lock icon in URL bar

Today (December 19, 2016), we are pleased to announce that these certificates are now available for everyone in a public beta. Using TLS makes your website more secure. You can recognise that TLS...

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Autumn newsletter: Let's Encrypt, deprecation of old PHP-versions and more…

Deprecation old PHP-versions

Almost all our customers use PHP, and it is very important to keep this up to date. In the short term, several versions of PHP will be deprecated. This means that you probably have to change your PHP-version as well. For those readers wondering what PHP is, and what this may mean for you, we have a short explanation in this post.

Update: Let's Encrypt TLS certificates

Let's Encrypt offers free certificates for securing the connection to websites. This causes the familiar green lock icon to appear in the URL bar. Even though Let's Encrypt still has a Beta status...

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