X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/c8b050fd148ef06666c1f6feaa492d122f65e23e..8c2a478b1f6f8c3fb43317c1e6729b23a3b972b7:/doc/doc-docbook/spec.xfpt diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index d65e4d950..ed0053777 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -8300,6 +8300,19 @@ domainlist dom2 = !a.b : *.b where &'x.y'& does not match. It's best to avoid negation altogether in referenced lists if you can. +.new +.cindex "hiding named list values" +.cindex "named lists" "hiding value of" +Some named list definitions may contain sensitive data, for example, passwords for +accessing databases. To stop non-admin users from using the &%-bP%& command +line option to read these values, you can precede the definition with the +word &"hide"&. For example: +.code +hide domainlist filter_for_domains = ldap;PASS=secret ldap::/// ... +.endd +.wen + + Named lists may have a performance advantage. When Exim is routing an address or checking an incoming message, it caches the result of tests on named lists. So, if you have a setting such as