Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

MSZ's avatar
MSZ
Icon for Nimbostratus rankNimbostratus
Jul 27, 2017

Header name with no-header value

We are getting the above blocked request usually it happens when someone tried with mobile. Following is the Header which shows empty value.   X-Wap-Profile:   Is there any way to fix this?  
ASM Advanced WAF
big-ip
security
Vijay_E's avatar
Vijay_E
Icon for Cirrus rankCirrus
Jul 28, 2017

If that is what the client is sending, nothing can be done by F5. If you think F5 is chopping off some value, you can utilize the "log local0" command to log the information on the client and server side on the F5.