ip_check.txt
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ip_check.txt
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	.. _admin_roundcube-settings_ip_check:

	``ip_check``
	============

	Enforce a session may only come from one source IP address.

	Should a user be a roaming user -- for example, connect from one source
	IP address that is one Wifi network, and later connect from another
	source IP address that is another Wifi network -- then enabling the IP
	check using this setting will force the existing session to be
	invalidated, and require the user to login again.

	This is useful for paranoid tracking of user's session validity with as
	many parameters as possible, but also has major caveats.

	To have to login again is not user-friendly, and some networks employ
	load-balanced outgoing connections (with help of proxies) -- meaning
	that the user may appear to come from two or more separate source IP
	addresses, while in fact the user has not been roaming.