The standard of these setting is 5 IPs every 30days. If your users login every day you need more than 30 allowed IPs. If somone uses an iphone, a mobile computer and a desktop computer, he may use 3 IPs a day 
You can't prevent account sharing in general without restricting the Ips, but you can prevent linksharing with s2member and its levels.Statistics: Posted by benchefe — March 27th, 2011, 3:44 pm
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