Multiple Login in a single PC should not be possible
in [General]
|
From: Peter Lind on 14 May 2010 03:56 On 14 May 2010 09:29, Lester Caine <lester(a)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>
From: Jagdeep Singh on 14 May 2010 04:26 Hi, yes, I can make a databse table to record LOGIN details, But I want that No other user can login on same machine on smae or another browser. E.g. If user1 has logged in from IE then user2 should not login from Firefox or Chrome etc.. I need ONLY ONE USER ACCESS AT SAME TIME ON SAME MACHINE (On Same or Other broswers) Regards Jagdeep Singh On Fri, May 14, 2010 at 1:26 PM, Peter Lind <peter.e.lind(a)gmail.com> wrote: > On 14 May 2010 09:29, Lester Caine <lester(a)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> >
From: Lester Caine on 14 May 2010 04:41 Jagdeep Singh wrote: > Hi, > yes, I can make a databse table to record LOGIN details, But I want that > No other user can login on same machine on smae or another browser. > E.g. > If user1 has logged in from IE then user2 should not login from Firefox > or Chrome etc.. > I need ONLY ONE USER ACCESS AT SAME TIME ON SAME MACHINE (On Same or > Other broswers) I'm doing almost exactly that on my CMS system. But we have the advantage that it is intranet, so we can cleanly identify the machines. Once a counter position is in use no one else can log in to that machine, and while loged in there a user can't login again. We can't easily add a 'timeout' since some interviews can take over an hour and the position remains locked for the whole period, but supervisor access allows a 'stuck user' to be bounced so they can log in again. If you don't have such control over the machines, then you may need to do a little more work to build up a list of 'active machines' in parallel with the 'active user' table. -- Lester Caine - G8HFL ----------------------------- Contact - http://lsces.co.uk/wiki/?page=contact L.S.Caine Electronic Services - http://lsces.co.uk EnquirySolve - http://enquirysolve.com/ Model Engineers Digital Workshop - http://medw.co.uk// Firebird - http://www.firebirdsql.org/index.php
From: Karl DeSaulniers on 14 May 2010 04:53 You lost me on that one. You want it so that multiple users can log in, but they have to be on separate browsers? Karl On May 14, 2010, at 3:26 AM, Jagdeep Singh wrote: > Hi, > > yes, I can make a databse table to record LOGIN details, But I want > that No > other user can login on same machine on smae or another browser. > > E.g. > > If user1 has logged in from IE then user2 should not login from > Firefox or > Chrome etc.. > > I need ONLY ONE USER ACCESS AT SAME TIME ON SAME MACHINE (On Same > or Other > broswers) > > Regards > > Jagdeep Singh > > On Fri, May 14, 2010 at 1:26 PM, Peter Lind > <peter.e.lind(a)gmail.com> wrote: > >> On 14 May 2010 09:29, Lester Caine <lester(a)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> >> Karl DeSaulniers Design Drumm http://designdrumm.com
From: Karl DeSaulniers on 14 May 2010 05:21
Hi J, Well, if you have an active users table with a users name in it and you check when logging in to see if that users name is in that table, They can not log in again. No matter what machine or browser they are in. As far as another user logging in on that same machine, you could match a cookie on the machine and the database that holds what browser they are using and username, an MD5 ip, etc. But someone can always delete cookies and some even know how to bounce ip addresses, so unless you have a bunch of hackers using your machines, these suggestions should work. Unless someone else has a better suggestion. GL, :) Karl On May 14, 2010, at 4:08 AM, Jagdeep Singh wrote: > I want that only single user can login on a single machine.... If > User has logged in one browser he should not login through 2nd > browser... > > And no other user should login on same machine in any browser > > in Simple words: > > MAXIMUM ONE USER SHOULD LOGIN IN ONE MACHINE....... > > On Fri, May 14, 2010 at 2:23 PM, Karl DeSaulniers > <karl(a)designdrumm.com> wrote: > You lost me on that one. > > You want it so that multiple users can log in, but they have to be > on separate browsers? > > > Karl > > > > On May 14, 2010, at 3:26 AM, Jagdeep Singh wrote: > > Hi, > > yes, I can make a databse table to record LOGIN details, But I want > that No > other user can login on same machine on smae or another browser. > > E.g. > > If user1 has logged in from IE then user2 should not login from > Firefox or > Chrome etc.. > > I need ONLY ONE USER ACCESS AT SAME TIME ON SAME MACHINE (On Same > or Other > broswers) > > Regards > > Jagdeep Singh > > On Fri, May 14, 2010 at 1:26 PM, Peter Lind > <peter.e.lind(a)gmail.com> wrote: > > On 14 May 2010 09:29, Lester Caine <lester(a)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> > > > Karl DeSaulniers > Design Drumm > http://designdrumm.com > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > Karl DeSaulniers Design Drumm http://designdrumm.com |