> The way I see it there are two reasons to use NewNym: > > 1) To change ones's pseudonym identity (IP address of > exit node) to a new pseudonym identity. In this case > all cookies, cache, etc should be cleared to insure > the new pseudonym identity is not correlated to the > old pseudonym identity. > > 2) To try and find a faster circuit when the current > one is too slow. When I am surfing and my browsing > session seems too slow (even for Tor) I may use NewNym > in the hope the next circuit will be faster (which > generally seems to be the case). === > In either case NewNym (New Identity) should be used > with care. I think most non-tech Tor users do not > fully grasp issues/concerns with NewNym. It seems > many Tor users view it as a silver bullet that will > automatically increase anonymity.
The big issue that I am aware of is that lots of "new circuits" cause CPU overhead. Some sites are CPU bound, and are hurt by that. > > Firefox has the problem that if you clear cookies > > from a site, that site is permanently blocked from > > sending cookies. > > Not sure what you mean here. I clear cookies after > each time I use yahoo and yahoo is still able to send > me new cookies. Really? For me, if I remove a cookie, that site is prohibited from sending me any cookie after that. Caused me all sorts of problems until I realized this (I used to clean my cookies out regularly).
