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Cisco Bug: CSCur66091 - AnyConnect Captive Portal detection should not rely on SSL

Last Modified

Mar 20, 2020

Products (1)

  • Cisco AnyConnect Secure Mobility Client

Known Affected Releases


Description (partial)

Currently captive portal is detected based on two

1) SSL needs to succeed (or at least on fail after Server Hello)
2) HTTP probe needs to return value different than 302

Captive portal won't be detected, not allowing for remediation effectively making end-users without access to network.

- Fail-close with remediation set to x minutes
- SSL fails after Client Hello (FIN is sent)
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
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