IIS default document causing duplicate attributes

[Dailey, Justin (GE Aviation, US)]

Hello,
We've been seeing some odd behavior on our two Windows Server 2019 web servers the past few revisions of the Service Provider.

If the full URL is specified (e.g. https://example.com/mypage/index.php) everything works as expected.

However, if IIS is set to check for a default document (in this case index.php) and that part is left off of the URL (e.g. https://example.com/mypage/) then the Shibboleth attributes that are passed to the php script are duplicated with a semicolon separating them. (e.g.    [firstname] => Justin;Justin)

Thoughts?

Thanks,
Justin Dailey


Justin Dailey
Sr Application Operations Engineer, Peebles Test Operation
GE Aviation

M +1 740 285 1333

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