revise the google captcha entry
Roger Dingledine

Roger Dingledine commited on 2010-09-22 04:01:49
Zeige 1 geänderte Dateien mit 16 Einfügungen und 21 Löschungen.

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@@ -919,28 +919,25 @@ Captcha or tells me I have spyware installed.</a></h3>
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 <p>
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 This is a known and intermittent problem; it does not mean that Google
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-considers Tor to be spyware. Instead, Google tries to detect certain
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-kinds of spyware or viruses that send distinctive queries to Google
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-Search. It then notes the IP addresses from which those queries are
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-received, and tries to warn the users of those IP addresses that it
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-received queries indicating an infection.
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+considers Tor to be spyware.
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 </p>
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 <p>
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-When you use Tor, you are sending queries through exit nodes that are also
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-shared by thousands of other users. If some of those users are infected
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-with software that Google detects, Google may mistakenly conclude that
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-the exit nodes themselves are infected (because the requests appeared
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-to originate from the exit nodes) and, for a limited period of time,
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-will try (incorrectly) to warn all Google users who share an exit node
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-with an infected machine that they are themselves infected.
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+When you use Tor, you are sending queries through exit relays that are also
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+shared by thousands of other users. Tor users typically see this message
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+when many Tor users are querying Google in a short period of time. Google
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+interprets the high volume of traffic from a single IP address (the exit
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+relay you happened to pick) as somebody trying to "crawl" their website,
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+so it slows down traffic from that IP address for a short time.
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 </p>
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 <p>
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-You may also get this sort of message when lots of Tor users are querying
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-Google in a short period of time. Google interprets the high volume of
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-traffic as somebody trying to "crawl" their website, so it slows down
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-traffic from that IP address for a short time.
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+An alternate explanation is that Google tries to detect certain
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+kinds of spyware or viruses that send distinctive queries to Google
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+Search. It notes the IP addresses from which those queries are received
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+(not realizing that they are Tor exit relays), and tries to warn any
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+connections coming from those IP addresses that recent queries indicate
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+an infection.
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 </p>
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 <p>
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@@ -950,11 +947,9 @@ should clear up again after a short time.
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 </p>
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 <p>
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-If we think of a measure that would prevent users from seeing this sort of
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-spurious warning message, we will certainly suggest it to Google and to
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-other web site developers. There may also be technical workarounds for
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-Tor end-users affected by this problem; if you find a useful workaround
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-and write up a description of it, please let us know.
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+Torbutton 1.2.5 (released in mid 2010) detects Google captchas and can
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+automatically redirect you to a more Tor-friendly search engine such as
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+Ixquick or Bing.
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 </p>
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 <hr />
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