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kirill_techZone
kirill_techZone
Level 2
December 25, 2021
Solved

How overrideMboxEdgeServer works

  • December 25, 2021
  • 2 replies
  • 3228 views

Hello.

The documentation tells, that if overrideMboxEdgeServer=true, then <clientCode>.tt.omtrdc.net will be used for calls to Target, and if it's false, then mboxedge<clusterNumber>.tt.omtrdc.net.

 

Documentation also states that for CNAME usage overrideMboxEdgeServer should be false

 

Documentation links:
https://experienceleague.adobe.com/docs/target/using/implement-target/client-side/at-js-implementation/functions-overview/targetgobalsettings.html?lang=en#overridemboxedgeserver

https://experienceleague.adobe.com/docs/target/using/implement-target/before-implement/implement-cname-support-in-target.html?lang=en

 

QUESTION: Having all this information I still dont understand the reason of what overrideMboxEdgeServer was made for ?

And why for CNAME usage it should have false value ?

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    Best answer by Gaurav_Singh_02

    @kirill_techzone As per my understanding “overrideMboxEdgeServer” configuration is used to avoid "edge cases" (where a visitor would move from 1 edge to another). If the visitor switches from one edge node to another, then that would mess up with their targeting qualifications because their profiles are not synched across different servers(They would get different experiences just by refreshing the page ). Hence to avoid this "overrideMboxEdgeServer" the default value is set to "True" so a visitor would remain associated with only 1 edge node.

    If you will not set "overrideMboxEdgeServer" to false, then the first hit would go to the CNAME ( for example target.domain.com)and then the rest (subsequent hits) would go to the edge node associated with the first hit ( for example https://mboxedge34.tt.omtrdc.net). Now If a visitor has ad blockers and other privacy features on their browser, then request to the edge node (*.tt.omtrdc.net) may get blocked. Hence for CNAME we recommend setting the value of "overrideMboxEdgeServer" to false.

     

    Hope this helps

    2 replies

    ambikaTewari_ATCI
    Community Advisor
    ambikaTewari_ATCICommunity Advisor
    Community Advisor
    December 27, 2021

    Hi @kirill_techzone 

    we configure this CNAME since 3rd party domains are more likely to be blocked by security settings applied in browser client-side. Applying this update will reduce the likelihood of Adobe Target being blocked by increasingly aggressive security settings in releases of Chrome, FireFox, Edge, Safari etc. and affecting the Adobe Target functionality on your site.

      kirill_techZone
      kirill_techZoneAuthor
      Level 2
      January 10, 2022

      Yes, this is clear. But still it does not clarify why for hybrid Target implementation this settings should be used:
      <script>
      window.targetGlobalSettings = {
      overrideMboxEdgeServer: true,
      serverState: ${JSON.stringify(serverState, null, " ")}
      };
      </script>

        G
        Adobe Employee
        Gaurav_Singh_02Adobe EmployeeAccepted solution
        Adobe Employee
        January 10, 2022

        @kirill_techzone As per my understanding “overrideMboxEdgeServer” configuration is used to avoid "edge cases" (where a visitor would move from 1 edge to another). If the visitor switches from one edge node to another, then that would mess up with their targeting qualifications because their profiles are not synched across different servers(They would get different experiences just by refreshing the page ). Hence to avoid this "overrideMboxEdgeServer" the default value is set to "True" so a visitor would remain associated with only 1 edge node.

        If you will not set "overrideMboxEdgeServer" to false, then the first hit would go to the CNAME ( for example target.domain.com)and then the rest (subsequent hits) would go to the edge node associated with the first hit ( for example https://mboxedge34.tt.omtrdc.net). Now If a visitor has ad blockers and other privacy features on their browser, then request to the edge node (*.tt.omtrdc.net) may get blocked. Hence for CNAME we recommend setting the value of "overrideMboxEdgeServer" to false.

         

        Hope this helps

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