Q&A: Does F5 Silverline Support Client Certificate Authentication?



  •  Does F5 Silverline support Client Certificate Authentication?
    • Is there a workaround/solution?


  • Silverline WAF
  • Silverline DDoS
    • Proxy
  • iRule
  • SSL


  • No. F5 Silverline does not validate Client Certificate
    • Silverline has to terminate SSL with the client and opens a new session to the backend, This is so that we can inspect/parse traffic with the WAF policy
  • However, F5 Silverline can insert a custom HTTP header with the Client Cert information
    • Can you please let us know the scenarios or values that you'll be using for validation on the backend?
      • If possible, please provide an output of the expected cert information and the information that you need to match/verify to allow or drop traffic
    • What is the custom HTTP header that you would like to use? (Default: "X-F5-Cert")
    • What would you like the iRule name to be called? (Default: "X-Client-Cert")
    • How would the cert info be inserted into the header? (baes64 or URI-encoded?) 

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