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IIST-SI-000223: Generate unique session identifiers

The IIS 10.0 website must generate unique session identifiers that cannot be reliably reproduced.
To check compliance with IIST-SI-000223, complete the following steps for each site hosted on the IIS 10.0 web server:
  1. Open the IIS 10.0 Manager.
  2. Click the site name.
  3. Under
    ASP.NET
    , click
    Session State
    .
  4. Under
    Session State
    mode settings, verify that the
    In Process
    mode is selected.
If the
In Process
mode is not selected, your application is not compliant.
If your application is not compliant, complete the following steps:
  1. Open the IIS 10.0 Manager.
  2. Click the site name.
  3. Under
    ASP.NET
    , click
    Session State
    .
  4. Under
    Session State
    mode settings, select the
    In Process
    mode.