API Management versions 7.5.X and 7.6.X have reached end of support in November 2020.
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Wireshark tracing for Kerberos authentication

You can use Wireshark, a third-party trace tool, to view the SPNEGO token data sent between a Kerberos client and service when the client authenticates to the service. For more details on Wireshark and to download and install the program, go to Wireshark web page.

In SPNEGO Kerberos authentication, Kerberos tokens are sent between the client and service using the Authorization HTTP header. Wireshark can parse, decrypt, and view the content of these tokens.

Because Wireshark can trace any application acting either as the Kerberos client or service, the information in this section is applicable for both API Gateway and third-party applications.

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