List of File Name Extensions required by Jira Align IIS
Summary
There is a list of File Name Extensions that need to be whitelisted in IIS in order for an On-premise Jira Align instance to load properly. This is specifically required to be done when there is a need to disable "Allow unlisted file name extensions" setting within the Site's "Request Filtering" option in IIS for security reasons.
Solution
Following is the list of File Name Extensions required by Jira Align in IIS :
., .ascx, .ashx, .asmx, .asp, .aspx, .cgi, .css, .csv, .doc, .docx, .eot, .gif, .html, .ico, .inc, .jpeg, .jpg, .js, .json, .jsp, .msg, .otf, .pdf, .php, .png, .pptx, .svg, .ttf, .txt, .vsdx, .webmanifest, .woff, .woff2, .xhtml, .xls, .xlsx, .xml, .xpFollow the steps below to whitelist these file extensions in IIS :
Navigate to Internet Information Services (IIS) Manager
Select the site for which you want to configure request filter
InFeatures View, double-clickRequest Filtering
In the Actions pane, click on Allow File Name Extension
Enterthe Extensions listed above one by one and click OK
Note : To allow requests to files that do not have an extension on the request, such as the /login, we need to add "." as an extension.
Additional Information : Steps to disable "Allow unlisted file name extensions" in IIS can be found in this Microsoft Article | Configure Request Filtering in IIS.
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