Unable to connect to Logmein.com when Client DPI-SSL is enabled
03/26/2020 343 13392
DESCRIPTION: Unable to connect to Logmein.com when Client DPI-SSL is enabled
RESOLUTION: Problem Definition:
Access to Logmein.com fails when DPI-SSL Client Inspection is enabled. When users connect to Logmein.com using a web browser, it attempts to load the page but eventually fails. This KB article describes how to workaround this issue.
The solution described here can also be applied when access to the following websites fail with DPI-SSL Client Inspection enabled:
Resolution or Workaround:
Login to the SonicWall management interface.
Open the SonicWall UTM diag page (not the Diagnostics page under System) by entering https:///diag.html in a web browser.
Go to the DPI-SSL Settings section.
Set SSL Version to TLSV1.0
Change the Cipher Method from Default to AES256-SHA or AES128-SHA or 3DES-SHA or RC4-MD5.
Click on Accept at the top to save the changes.
Restart the SonicWall
After restart, try to access the websites in question again. The page must load.