3 - Many SOCKS5 clients, when configured to offer a username/password,
4 offer both username/password authentication and "no authentication".
5 Tor had previously preferred no authentication, but this was
6 problematic when trying to make applications get proper stream
7 isolation with IsolateSOCKSAuth. Now, on any SOCKS port with
8 IsolateSOCKSAuth turned on (which is the default), Tor selects
9 username/password authentication if it's offered. If this confuses your
10 application, you can disable it on a per-SOCKSPort basis via
11 PreferSOCKSNoAuth. Fixes bug 8117; bugfix on 0.2.3.3-alpha.