ssl-req-client-hello-missing-sni
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ssl-req-client-hello-missing-sni

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ssl-req-client-hello-missing-sni

Where Can I Use This?What Do I Need?
  • Prisma Access (Managed by Panorama or Strata Cloud Manager)
  • NGFW (Managed by Panorama or Strata Cloud Manager)
  • VM-Series
  • CN-Series
  • Advanced Threat Prevention (for enhanced feature support) or Threat Prevention License
When this field is set to 1, an SSL client hello without the presence of an SNI (Server Name Indication) entry during the SSL negotiation process, is detected.

Additional Details

None

Context Capture

The following SSL client hello examples show requests with and without an SNI, respectively.
With SNI Entry:
Without SNI Entry: