TOR exit node changes?

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profv4v
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TOR exit node changes?

Post by profv4v »

How often will a TOR exit node change?

I see that the TOR project gives the ability to download the list of exit nodes on their site. However, do these IPs change constantly? Would I need to continually download the new list of IPs if I wanted the current list?
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Chrispcritters
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Re: TOR exit node changes?

Post by Chrispcritters »

It really depends on your use case. Many of them do not change. While I've not run a comparison I make a habit of pulling them weekly.
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profv4v
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Re: TOR exit node changes?

Post by profv4v »

Well in my world I want to flag all activity resonating from a TOR exit node. So I would want the latest and greatest list at all times. So you think once a week would suffice?

Also why would they change? Is there a rhyme or reason for this?
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Chrispcritters
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Re: TOR exit node changes?

Post by Chrispcritters »

People start up and shut down exit nodes from time to time.

You might want to download it daily for a month or so and do comparisons to see how many change each day and make a decision based on that.
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nielsencl1
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Re: TOR exit node changes?

Post by nielsencl1 »

Many sites that have Tor exits seem to have more than one. I deal with this by looking up what IP range is assigned to the customer or ISP, then block the entire range to make sure they can't bother me.

Would I be able to get a list of Tor Exits from the main Tor site, or is there another source?
Thanks!
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Chrispcritters
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Re: TOR exit node changes?

Post by Chrispcritters »

See http://torstatus.blutmagie.de/

At the top the list is link to a CSV file with all current Tor exit nodes.
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