IBM Support

When accessing Cognos Analytics through gateway url based off IIS, it returns "a potentially dangerous request.path (:)" error.

Troubleshooting


Problem

There are certain characters such as *, : etc which are not allowed in the path of the URL by ASP.NET, but Cognos Analytics requires you to allow those characters so it can form the respective URL string correctly.

Symptom

An error message similar to, "a potentially dangerous request.path (:)".

Document Location

Worldwide

[{"Line of Business":{"code":"LOB76","label":"Data Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSTSF6","label":"IBM Cognos Analytics"},"ARM Category":[{"code":"a8m50000000Cl6sAAC","label":"Installation and Configuration-\u003ECognos Configuration"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.0.13;11.1.7"},{"Product":{"code":"SS6G84","label":"IBM Cognos Analytics on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSLKT6","label":"IBM Maximo Asset Management"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
14 January 2026

UID

ibm16372504