Certificate (PKI) errors and mismatches
Option mismatches, such as
tap, ciphers, and compression
Insufficient privileges to run OpenVPN
In this section, we will go through the first three of these categories. Routing mistakes will be discussed later in this chapter.
ca ca.crt cert client.crt key client.key
These certificate and private key files were created in Chapter 3, PKIs and Certificates, and are used extensively in subsequent chapters.
The CA file, however, does not need to specify the certificate authority that was used to sign the client certificate file. It must be the public certificate of the certificate authority that was...