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

Forum Discussion

Sanal_Babu's avatar
Sanal_Babu
Icon for Altostratus rankAltostratus
Jun 10, 2021

User agent mobile app and mobile browser

I have a requirement to block a mobile application which is having some issues at present (may take sometime to fix) .But the same time, the portal should be accessible from mobile browsers (chrome,m...
application delivery
irules
security
spalande's avatar
spalande
Icon for Nacreous rankNacreous
Jun 10, 2021

Mobile user agents and all mobile browser user agents would have these strings in common. Is there any unique identifier for your mobile application (e.g./v1.0 OurApp)? You may need to check if there is any unique identifier for your mobile applicaiton and based on that modify the iRule.

  • spalande's avatar
    spalande
    Icon for Nacreous rankNacreous
    Jun 10, 2021

    Also, noticed that you are using 2 actions drop and reject in the iRule. Please use only one of it and use return in the end.