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TLSv1 "Server Hello" packets are dropped by Application Control of HTTPS
Symptoms
  • SmartView Tracker and debug show that TLSv1 "Server Hello" packets are dropped by Application Control of HTTPS.

  • Application Control of HTTPS is configured correctly.

  • 'ssl_v3' service (sk93450) is not used.

  • FW Monitor shows that TLSv1 packets are passing through Pre-Inbound chain ("i") and Post-Inbound chain ("I"), but do not pass through Pre-Outbound chain ("o") and Post-Outbound chain ("O").

Cause

In Server Hello, the "Alert Type 112" ("unrecognized_name" alert of Server Name Indication extension of the TLS protocol) is not supported yet.


Solution
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