SSLVerifyClient Directive

Specifies whether a client must present a certificate when connecting. The accepted values are:

• none: No client certificate is required

• optional: Client can present a valid certificate

• require: Client must present a valid certificate

Category	Value
Syntax	SSLVerifyClient none | optional | require
Example	SSLVerifyClient optional
Default	None

Note:

The level optional_no_ca included with mod_ssl (in which the client can present a valid certificate, but it need not be verifiable) is not supported in mod_ossl.