How to remove some useless nodes

Gregory Maxwell gmaxwell at
Mon Jan 28 13:39:16 UTC 2008

On Jan 26, 2008 10:08 PM, Kraktus <kraktus at> wrote:
> On 26/01/2008, 孙超 <g06b08120301 at> wrote:
> > We in China use tor mainly for avoiding Great Fire Wall, which is a very
> > strong internet censorship software operated by the government. So, if
> You can add
> ExcludeNodes NodeName1, NodeName2
> to your torrc, where the NodeName1, etc. are the names of Chinese exit
> nodes that you are aware of.  However, you much disallow each Chinese
> node separately; you can't exclude by country.

It would be interesting if tor exits used passive connection
monitoring to figure out if they are on a content modifying or
censoring network, then made a note of it in the directory. Users
could then choose to avoid that exit while people interested in
censorship or neutrality would have a shortlist to do research from.

Some types of censoring are pretty subtle and couldn't easily be
detected this way, but the Great Firewall is pretty obvious.

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