- access to sites that are named in the trustfile.
- You can also mark sites as trusted referrers (with <literal>+</literal>), with
- the effect that access to untrusted sites will be granted, if a link from a
- trusted referrer was used.
- The link target will then be added to the <quote>trustfile</quote>.
- Possible applications include limiting Internet access for children.
+ access to sites that are specified in the trustfile. Sites can be listed
+ in one of two ways:
+ </para>
+ <para>
+ Prepending a <literal>~</literal> character limits access to this site
+ only (and any sub-paths within this site), e.g.
+ <literal>~www.example.com</literal>.
+ </para>
+ <para>
+ Or, you can designate sites as <emphasis>trusted referrers</emphasis>, by
+ prepending the name with a <literal>+</literal> character. The effect is that
+ access to untrusted sites will be granted -- but only if a link from this
+ trusted referrer was used. The link target will then be added to the
+ <quote>trustfile</quote> so that future, direct accesses will be granted.
+ Sites added via this mechanism do not become trusted referrers themselves
+ (i.e. they are added with a <literal>~</literal> designation).
+ </para>
+ <para>
+ If you use the <literal>+</literal> operator in the trust file, it may grow
+ considerably over time.
+ </para>
+ <para>
+ It is recommended that <application>Privoxy</application> be compiled with
+ the <literal>--disable-force</literal>, <literal>--disable-toggle</literal> and
+ <literal> --disable-editor</literal> options, if this feature is to be
+ used.