HTTP Header Expansion

Headers can now support values of up to 16K bytes.
Palo Alto Networks HTTP header insertion entries now support header values up to 16K bytes. The larger header value size enables you to manage access to SaaS applications that require longer values and specify more tenants that users on your network can access. For example, if you currently have tenant restrictions configured for Microsoft Office 365 but could not list some approved tenants under the
Restrict-Access-To-Tenants
HTTP header due to size constraints, you can now include additional domains or directory IDs registered with tenants.
  1. Add
    or select a URL Filtering Profile to include the HTTP header insertion entry.
    Select
    Objects
    Security Profiles
    URL Filtering
    HTTP Header Insertion
    .
  2. Add an entry.
    1. Specify a
      Name
      and a custom or predefined
      Type
      .
    2. Select a
      Header
      and enter a
      Value
      (up to 16,000 bytes).
    3. Click
      OK
      to save your changes.
  3. Click
    OK
    to save the URL Filtering Profile.

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