Forum Discussion

vinodu's avatar
vinodu
Icon for Nimbostratus rankNimbostratus
Feb 28, 2020

SP initiated SAML error

Dear All,

I have a SAML configured for a specific service when we perform a IDP initiated the user is able to login successfully but when we perform SP initiated i get internal error can any one help me in resolving the same.

BIG-IP Access Policy Manager (APM)
saml
security
  • NAG's avatar
    NAG
    Icon for Cirrostratus rankCirrostratus
    Feb 28, 2020

    Hi,

     

    Do you have any error logs for the failure ?

     

    Nag

  • vinodu's avatar
    vinodu
    Icon for Nimbostratus rankNimbostratus
    Feb 28, 2020

    yes this the error in the browser "Internal error. Failed to process SAML request/response. Please try again or contact your system administrator if error persists." here i'm attaching the APm debug logs

    "SAML SSO: Error (12) inflating SAML 'Authentication Request'

    SAML SSO: Abort reason: Error in decompression callback"

    • Dave_W's avatar
      Dave_W
      Icon for Employee rankEmployee
      Feb 28, 2020

      Hello, is APM the IdP or SP? Who is the other vendor? Previously I have seen this fixed if you change the SP to use Request Method POST.

  • vinodu's avatar
    vinodu
    Icon for Nimbostratus rankNimbostratus
    Feb 29, 2020

    APM is IPD and SP is external the vendor is traform.io can you please let me know more clear what the vendor has to change.

  • Dave_W's avatar
    Dave_W
    Icon for Employee rankEmployee
    Mar 04, 2020

    I can not tell you for a specific vendor, but they should try changing the Request Method to POST.