DonabatePortrane.net

Can the IP address be checked to see if it matches any other member? Just get the feeling it's a multiple personality. On boards.ie mods can do a 'muppet check' for this sort of thing.

diggerbarnes wrote:Can the IP address be checked to see if it matches any other member? Just get the feeling it's a multiple personality. On boards.ie mods can do a 'muppet check' for this sort of thing.

That won't work as IP addresses are dynamically assigned. The way to do it, is it to drop a cookie on the person's machine and then see if anyone else comes in with that cookie. They can avoid this if they clear out cookies but most people don't.

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There should be cookies used to tracked the session for each logged in user - but that would not help if the person used multiple personalities and logged in using them. Dynamic IP's could be used ... but they change from time to time but for short time periods should be OK for checking the destination;

Same question as per previous post.

Cookies are on the machine and are irrelevant of the user's session. So the idea is server side you see the same cookie coming in for multiple accounts and then you know there is a split personality or else people sharing the same machine.

Dynamic IPs: you and me can end up with the same IP even thou we are different people from different places so they are going to give you a lot of false positives. Whereas the cookie trick will never give false positives.

richard dawkins wrote:

diggerbarnes wrote:Can the IP address be checked to see if it matches any other member? Just get the feeling it's a multiple personality. On boards.ie mods can do a 'muppet check' for this sort of thing.

That won't work as IP addresses are dynamically assigned. The way to do it, is it to drop a cookie on the person's machine and then see if anyone else comes in with that cookie. They can avoid this if they clear out cookies but most people don't.

Depends if someone leaves their router on all the time, as most folk normally do. In that case the IP address remains constant till its lease expires. Even if they power off, you find that the IP addresses don't change by a huge amount so its easy to spot a pattern in the IP addresses (provided the users is using the same fixed line ISP).

diggerbarnes wrote:Can the IP address be checked to see if it matches any other member? Just get the feeling it's a multiple personality. On boards.ie mods can do a 'muppet check' for this sort of thing.

Nice suggestion, I'll see if I can get this implemented this evening.