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Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseSecurity

Why does my SSL certificate show fewer than 365 days?

If you're on the free SSL every account gets by default, this doesn't apply to you - skip to the note below. This is only relevant if you purchased a…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseSecurity

What is an SSL certificate and why does it matter?

An SSL certificate encrypts the connection between a visitor's browser and your site, so passwords, card numbers and any other data typed on your pages can't be read by anyone…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseSecurity

How to activate and install a paid SSL certificate

Every domain here already gets a free certificate automatically - see what an SSL certificate is. This page is only for a paid certificate you bought (RapidSSL, GeoTrust and similar),…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseSupport & Account

ERR_CONNECTION_CLOSED and ERR_SSL_VERSION_OR_CIPHER_MISMATCH: when the error is not the server’s

Neither of these is an HTTP code. They are messages from the browser itself, and that changes everything: a 500 was produced by a server that answered; these were produced…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseSecurity

I bought an SSL certificate and it has not activated: domain validation

You bought an SSL certificate, you paid, and the padlock still has not appeared. It is the most frequent question we get about certificates - and nearly always only one…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseSpeed, Cache & CDN

Switching on SSL at Cloudflare without breaking the site

This is the single most important setting Cloudflare has, and the easiest one to get wrong. The wrong value does not produce a warning: it produces a site that loads…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseE-mail

Testing IMAP, POP3 and SMTP by hand with openssl s_client: a guide for technical users

This article is for technical users with a command line (Linux, macOS, or Windows with OpenSSL). The short answer: openssl s_client opens an encrypted connection to the server and lets…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseSecurity

Moving your site to https with Really Simple SSL

Read this before installing anything: the certificate is already ours and already there. Domains hosted with us get a certificate issued and renewed automatically, with no request, no cost and…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseComparisons and alternatives

SMTP ports 465, 587 and 25: SSL, STARTTLS and which one to use

To send e-mail from Outlook, your phone or a program of your own, use port 465 with SSL/TLS, which is the one our guides give. Port 587 with STARTTLS is…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › 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…