Manual:$wgSuspiciousIpExpiry

Cache: $wgSuspiciousIpExpiry
Time in seconds to remember IPs for, for the purposes of logging IP changes within the same session.
Introduced in version:1.36.0 (Gerrit change 632984; git #d5d3c901)
Removed in version:Still in use
Allowed values:(integer) or false
Default value:false

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Time in seconds to remember IPs for, for the purposes of logging IP changes within the same session. This is meant more for debugging errors in the authentication system than for detecting abuse.