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Upgrading to Easy-RSA 3 from earlier versions

People upgrading to Easy-RSA 3 from a 2.x version should note some important changes starting with version 3. For a better overview of version 3 in general, see the Readme in the doc/ directory.

List of important changes

  • nsCertType extensions are no longer included by default. Use of such "Netscape" attributes have been deprecated upstream and their use is discouraged. Configure EASYRSA_NS_SUPPORT in vars if you want to enable this legacy behavior.

    Notably, this is important for OpenVPN deployments relying on the --ns-cert-type directive. Either have OpenVPN use the preferred --remote-cert-tls option, or enable legacy NS extensions.

  • The default request Subject (or DN, Distinguished Name) includes just the commonName. This is more suitable for VPNs and environments that don't wish to include info about the Country/State/City/Org/OU in certs. Configure EASYRSA_DN in vars if you want to enable the legacy behavior.

  • The 3.0 release lacks PKCS#11 (smartcard/token) support. This is anticipated to be supported in a future point-release to target each platform's need.

  • The -utf8 option has been added for all supported commands. This should be backwards compatible with ASCII strings.

  • The default private key encryption has been changed from 3des to aes256.

Some new concepts

Easy-RSA 3 has some new concepts compared to the prior v2 series.

Request-Import-Sign workflow

v3 is now designed to support keypairs generated on the target system where they will be used, thus improving security as no keys need to be transferred between hosts. The old workflow of generating everything in a single PKI is still supported as well.

The recommended workflow when using Easy-RSA as a CA is to import requests, sign them, and return the issued & CA certs. Each requesting system can use Easy-RSA without a CA to generate keypairs & requests.

"Org"-style DN flexibility

When using Easy-RSA in the "org" DN mode, it is no longer required to match some of the field values. This improves flexibility, and enables easier remote generation as the requester doesn't need to know the CA's values in advance.

Previously in v2, the Country, State, and Org values all had to match or a request couldn't be signed. If you want the old behavior you can change the OpenSSL config to require it or simply look over the DN at signing time.