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Unable to access some HTTPS sites after enabling HTTPS Inspection "Probe Bypass" mechanism
Technical Level
Solution ID
sk107744
Technical Level
Product
HTTPS Inspection
Version
R77.30
OS
Gaia, SecurePlatform 2.6
Platform / Model
All
Date Created
30-Oct-2015
Last Modified
12-Mar-2019
Symptoms
"Page not found" error in web browser when trying to connect to some HTTPS sites after enabling HTTPS Inspection "Probe Bypass" per sk104717 (enhanced_ssl_inspection=1).
Kernel debug ('fw ctl debug -m fw + drop') shows that HTTPS connection to the HTTPS site is dropped: ;fw_log_drop_ex: Packet proto=6 Client_IP_Address:Port -> Server_IP_Address:443 dropped by fwhold_expires Reason: held chain expired;
Cause
The involved HTTPS sites are configured to use TLS v1.1
The HTTPS Inspection is configured to use at least TLS v1.2
