Bug ID 719079: Portal Access: same-origin AJAX request may fail under some conditions.

Last Modified: Jul 12, 2023

Affected Product(s):
BIG-IP APM(all modules)

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,, 14.0.0,,,,,, 14.0.1,

Fixed In:

Opened: May 08, 2018

Severity: 3-Major


Portal Access may reject response to same-origin AJAX request if host names in request and its origin differ in case.


Web application may not work correctly.


Same-origin AJAX request with a host name whose case differs from the case of the origin page's host name, for example: Request page: https://example.com/some/file Page with URL: https://Example.com/origin/page.html


Use an iRule to remove 'F5_origin' parameter from the AJAX requests, for example: when HTTP_REQUEST { if { [ HTTP::path ] contains "/iNotes/Forms9.nsf/iNotes/Proxy/" and [ HTTP::query ] contains "F5_origin=" } { regsub {F5_origin=[0-9a-f]+&F5CH=I} [ HTTP::query ] {F5CH=I} query HTTP::query $query } }

Fix Information

Now Portal Access handles same-origin AJAX requests correctly when host name case differs from the host name of origin page.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips