Novell LINUX ENTERPRISE SERVER 10 SP2 - INSTALLATION AND ADMINISTRATION Installation Manual page 269

http_server.ssl_client_verification
Purpose
Determines whether the server should attempt to authenticate clients with SSL Client
Certificate verification.
This setting is disabled by default.
Syntax:
http_server.ssl_client_verification = option
Option
autoupdate
disabled
optional
required
Example
http_server.ssl_client_verification = disabled
Description
Specifies the same functionality as the Optional option; however,
previously unknown client certificates that pass HTTP authenti-
cation are added to a trust store so that subsequent client connec-
tions with the same certificate do not require HTTP authentica-
tion.
Disables client certificate checking.
This is the default setting.
Allows a trusted certificate to be authenticated (no HTTP authen-
tication is necessary).
Also allows an untrusted certificate to pass the SSL handshake
if the client passes the HTTP authentication.
Requires a trusted certificate for the SSL handshake to succeed.
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