The iOS device Wi-Fi setting Ask to Join Networks must be set to Off at all times (User Based Enforcement (UBE)).

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The iOS device Wi-Fi setting Ask to Join Networks must be set to Off at all times (User Based Enforcement (UBE)).

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-25092	WIR-iOS-005	SV-31000r3_rule	ECWN-1	Low

Description
When “Ask to Join Networks” is set to on, the user is alerted whenever they are in the vicinity of a Wi-Fi hotspot and could be tempted to connect to an unauthorized public hotspot, which could be managed by a hacker. Although the risk of exposing sensitive DoD data is low, setting this configuration as specified is a security best practice.

STIG	Date
Apple iOS 6 Security Technical Implementation Guide (STIG)	2013-05-23

Details

Check Text ( C-31417r6_chk )
On a sample of site-managed iOS devices (pick 3-4 random devices), have the user turn on and log into the device. -Go to Settings > Wi-Fi. -Touch Wi-Fi. -Check the setting of "Ask to Join Networks". Verify "Ask to Join Networks" is set to off (not selected). Mark as a finding if "Ask to Join Networks" is not set to off.

Fix Text (F-27875r4_fix)
Set "Ask to Join Networks" to "Off".