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MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseVPS & Servers

How to install Apache on a VPS and set up a virtual host

On Ubuntu or Debian you install Apache with sudo apt install apache2, write a site file in /etc/apache2/sites-available/ holding a VirtualHost that points at your folder, enable it with sudo…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseSecurity

Checking your site’s HTTPS setup: certificate, chain, expiry and protocols

The short answer: the browser’s padlock does not tell the whole story. A site can show the padlock on your computer and fail on other devices because of an incomplete…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseVPS & Servers

Linux file permissions on a VPS: chmod, chown and Permission denied

A “Permission denied”, or a 403 on a website, is almost always one of two things: the file’s owner is not who the service runs as, or a permission is…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseSecurity

A security.txt file: telling researchers how to report a problem

The short answer: security.txt is a small text file, in an agreed place on your site, that tells whoever discovers a security flaw who to report it to. It is…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseSupport & Account

I think someone got into my account: what to do in the first hour

If you suspect someone got into your account, change the password of the account’s e-mail first, then the My MozOut one, and only then check what was touched. The order…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDomains & DNS

IPv6 and AAAA records: do you need one, and when adding one breaks your site

The short answer: an AAAA record points your name to an IPv6 address, just as the A record points to an IPv4 one. It is not required: the site works…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseE-mail

Hotmail or Outlook.com rejects or delays your e-mails: reading the message that comes back

The short answer: when Microsoft will not accept a message for a Hotmail or Outlook.com address, you get a notice back from our server. There are two kinds: a permanent…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseSecurity

The free SSL certificate did not renew: why AutoSSL fails and what to check

The short answer: the free certificate that comes with the account (AutoSSL, from Let’s Encrypt) is issued and renewed by itself, but only if the server can prove the domain…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseChoosing the Right Plan

Seven questions to ask before you buy hosting, and what a good answer sounds like

The short answer: price is the question everybody asks; the ones that matter are the others. These seven show you, in ten minutes, who you will be dealing with. Ask…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseVPS & Servers

How to host several websites on one VPS

A VPS has one IP address and can serve as many sites as its memory and processor can carry. The web server picks which one to show from the name…