i have sophos xg135 ver SFOS 17.5.8 MR-8 and domain controller, until last week users can access internet without capitive portal (as they appear in domain logs and STASS) and non domain
users can use captive portal.
suddenly today , domain users can't access internet without user portal every time.
note: i downgrade sophos version from MR-9 because it solve another issue that user must enter his username and password every 5 to 10 min.
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