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C
HAPTER
7
Advanced Expressions: Parsing
SSL Certificates
You can configure expressions that parse information in X.509 Secure Sockets Layer (SSL)
certificates
, including the following:
• Issuers
•Keys
•Subjects
• Signatures
• Expiration dates
In This Chapter
About SSL and Certificate Expressions
Prefixes for Text-Based SSL and Certificate Data
Prefixes for Numeric Data in SSL Certificates
Expressions for SSL Certificates
Note: For information on parsing dates and times in a certificate, see “Format
of Dates and Times in an Expression,” on page 96 and “Expressions for SSL
Certificate Dates,” on page 101.
About SSL and Certificate Expressions
A client certificate is an electronic document that can be used to authenticate a
user's identity. The NetScaler examines information in client certificates that
conform to the X.509 standard. These client certificates contain, at a minimum,
the following information: