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Tutorials, Howtos, and other Documents

On this page you will find a number of tutorials and howtos to help you with CAcert and many other security related topics.

User Tutorials

• How to backup a client certificate with OpenSSL

• How to renew a certificate in Windows

• How to replace a revoked certificate

• How to configure web servers

• How to configure MS Exchange Server 2010 with a server certificate

• Hard Drive Encryption

• Certificate import tutorial for PocketPC

  • NOT AVAILABLE ANYMORE Try to browse Network Security and Resources

• Don't forget our FAQ

Create certificates

• How to convert binary P10 formatted CSR to Base64 format needed for CAcert's web

• How to create a certificate using CAcert web application

• How to create a certificate with Palemoon or Seamonkey browser (even after you get an error message from Firefox or Chrome)

• How do I generate a private key and CSR using OpenSSL - usable in systems with OpenSSL (Linux, Windows,...)

• How to create a client certificate in Windows (including PKCS12 backup) with the XCA utility

• How to create a client certificate in Windows (including PKCS12 backup) with MMC Certificates module

• How to create a client certificate in Windows (including PKCS12 backup) with command line tools

• How to create a server certificate in Windows (including PKCS12 backup)

• How to create a client certificate in macOS (including PKCS12 backup)

• HowTo create SAN certificates for use with Microsoft Exchange

Install a certificate

• How to install a CAcert certificate in Plesk picture links do not work

• HowTo: e-Mail Client Software - encrypting, signing

• How to install a certificate in Outlook

• Tutorials from riseup.net for installing the CACert Root Certificate in Firefox, Mozilla, Safari, IE Mac, IE Windows, Thunderbird, Mozilla Mail, Apple Mail, Outlook Windows, Outlook Mac.

• How to import the CAcert Root Certificates to Windows systems

• How to add the CAcert Root Certificate to a Browser

• How to script the system-wide import of the CAcert Root Certs on MacOSX

Sign with certificates

• How to digitally sign, and add time stamp to, PDF documents in Adobe Reader

• How to digitally sign ODT and PDF documents with LibreOffice ver. 7.1.1.2

• How to digitally sign an OpenOffice document: You need the signing certificate!

• How to digitally sign a MS Office Word 2013 document: You need the signing certificate!

• How you can digitally sign OpenOffice.org documents

Sign in / login with a certificate

• How to manage the Certificate Login

• How to set client certificate login on IIS-8

Technical Tutorials

• OpenWRT+OpenVPN Tutorial on how to turn a WRT54G into an OpenVPN client and/or server to secure your wifi traffic properly

• Cryptography Hardware Howtos

• See also: Technical FAQ

Misc and Todo

• Root Certificate distribution through ActiveDirectory (to be linked with Alaric howto )

• SVN Doc Repository - A collection of CAcert documents

• How to get Postfix smtpd running with TLS/SSL

Archive (obsolete tutorials)

• How a Newbie gets his/her first own Client Certificate - OBSOLETE since 20190909

• How to replace MD-5 signed CAcert root with the SHA256 signed CAcert root after 20161231

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