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HTTPS traffic can not be redirected to Captive Portal if matched on first packet Technical Level
Symptoms
  • HTTPS traffic can not be redirected to Captive Portal if matched on first packet.
Cause

If the HTTPS traffic is matched to the redirection rule at the first packet, the traffic can not be redirected to the portal.

The traffic can be matched to the redirection rule on first packet only if all of the rules above the redirection rules could be matched from the packet source and destination IPs and ports and protocols.

If the rule above the redirection rule needs additional parsers to run on the connection (for example XFF is enabled, APPI, URLF) then the match will be after first packet and the redirection could occur.

This is a known limitation.


Solution
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