Is MAC Authentication Still Reliable in 2026?
  

George Fady Lv1Posted 2026-Jun-01 17:25

Last edited by George Fady 2026-Jun-01 17:31.

VIP
With iOS, Android, and Windows now enabling MAC address randomization by default, I've started seeing more challenges in Sangfor IAG environments where MAC authentication is heavily used.
Some common issues:
  • Users need to re-authenticate frequently
  • MAC-based policies stop matching correctly
  • Audit logs fill with unknown devices
  • BYOD management becomes more difficult



This makes me wonder:
Is MAC-based authentication still a reliable long-term solution?
How are you handling this in your environment?
  • Are you disabling MAC randomization?
  • Moving to AD SSO, DKEY, or Radius?
  • Using captive portal or SMS authentication for BYOD?



And if Sangfor could improve one thing in IAG to address this challenge, what would you like to see?
Looking forward to hearing your experiences and best practices
Newbie517762 Lv5Posted 2026-Jun-02 12:45
  
You can use SMS or QR code authentication to log in on mobile devices with randomized MAC addresses in Sangfor IAG. Both methods are supported, and users can authenticate successfully regardless of MAC address changes.
Humayun Ahmed Lv4Posted 2026-Jun-02 12:09
  
Using captive portal