asda?‰PNG  IHDR ? f ??C1 sRGB ??é gAMA ±? üa pHYs ? ??o¨d GIDATx^íüL”÷e÷Y?a?("Bh?_ò???¢§?q5k?*:t0A-o??¥]VkJ¢M??f?±8\k2íll£1]q?ù???T RADIUS The Remote Authentication Dial In User Service (RADIUS) is a protocol for user authentication over networks. It is mostly used for modem, DSL or wireless user authentication. If you plan to provide a RADIUS service (e.g. with freeradius), enable this option.