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

DV, OV and EV certificates: which kind of SSL certificate you really need

The short answer: for almost every site, a DV (domain validation) certificate is enough, and it is the free one that already comes with your account. OV and EV add…

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

How to install nginx on Ubuntu and serve your website from a folder

On an Ubuntu VPS, you install nginx with sudo apt install nginx, create a site file in /etc/nginx/sites-available/ that points at your folder, enable it with a link in sites-enabled,…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseComparisons and alternatives

www or no www: which address to choose for your site

Short answer: either will do, and the choice is mostly a matter of taste. What is not a matter of taste is picking just one, making the other redirect to…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge basePHP & Development

Callback URL or return URL: why a customer coming back is not proof of payment

The short answer: an online payment usually involves two addresses of yours that the operator uses. The return URL (or success URL) is where the customer’s browser is sent after…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge basecPanel & WHM

Error 404 on a page that should exist: the causes, in order

The short answer: error 404 means “the server is working but cannot find what was asked for”. For a page you know exists, the causes are almost always a file…

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

A new record that still does not exist for some people: negative caching and the SOA

The short answer: resolvers do not only store answers that exist. When they ask for a name that does not exist (NXDOMAIN), or for a record type the name does…

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

TXT records in practice: long values, quotes and several records on one name

The short answer: a TXT record holds text, and it is where SPF, DKIM, DMARC and the domain verifications for Google, Microsoft and many other services live. It looks like…

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

Which hosting plan for a web designer or agency with several client sites

The short answer: someone who builds sites for clients has to choose between one hosting per client (each with their own account and contract) and a hosting of your own…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseSpeed, Cache & CDN

Purging a CDN cache: one file, a folder or everything, and when not to purge

The short answer: purging tells the CDN to throw away the copies it holds, so the next request goes to the origin for the current version. It is for when…

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

Vaultwarden on a VPS: your own password manager, and what you take on

The short answer: Vaultwarden is a free server, compatible with the Bitwarden apps, where you keep the team’s or the family’s passwords on your own VPS. It is light and…