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smalex's avatar
smalex
Icon for Altostratus rankAltostratus
May 07, 2019

ASM File type Lengths- clarification

I am new to ASM.

 

Can anyone help me understand various file type length suggestions like POST Data Length, Query String Lengthand Request Length? My ASM is suggesting weird numbers for these lengths like 1000000. How can this be explained to APP team? Is it something I can show from the traffic learning suggestion captured information?

 

application delivery
ASM Advanced WAF
security

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  • Jiri_Rosenmayer's avatar
    Jiri_Rosenmayer
    Icon for Altostratus rankAltostratus
    May 07, 2019

    Hi Smalex, POST data len - well this is the length of the POST data (which is the part below headers) - and it may be 1000000 (which is 1MB). This is usually the case when user is uploading a file. Request length - length of the whole req (headers+data(the POST)) Query string len - this is the part of URI after ? - ?test=1&bla=2 - usually this part is around 100, 1000,

     

    And yes, you can see that in traffic learning, but the requests get truncated if they get too big. But the Content-Length header will tell you how big was the request.

     

    Jiri