On 14 May 2010 09:29, Lester Caine <les...@lsces.co.uk> wrote: > Jagdeep Singh wrote: >> >> Hi All! >> >> I am looking for a solution, I want a user to do a single Login only on a >> PC >> . >> >> E.g. If a User has logged on my website website.com in Internet explorer, >> then he cant login on same website in another browser like Firefox etc >> with >> same loginid or another. >> >> Can I trace MAC address of a single machine to solve this issue? > > The browser IP address works for us quite reliably. Once logged in, you get > a message saying already logged on ... and where ... but it does need a > little help if the user closes the browser without logging out. One needs a > facility to 'bounce' a user now and again .... however some remote users may > well have 'floating' IP addresses :( >
Don't rely on IP addresses staying the same for a user, it's not safe in any way and not needed anyway. Karls method is probably the best bet - just remember to record "last accessed time" so anyone not accessing for more than 15-20 minutes will succeed if trying to log in again. Regards Peter -- <hype> WWW: http://plphp.dk / http://plind.dk LinkedIn: http://www.linkedin.com/in/plind Flickr: http://www.flickr.com/photos/fake51 BeWelcome: Fake51 Couchsurfing: Fake51 </hype> -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
