X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/18c9d15e72d50474b8f0d31c35039fedf8847364..24c7087f56530d2d81a92d9955afef13b4f1462f:/doc/doc-docbook/spec.xfpt diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index d65e4d950..3bea313c1 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 @@ -9719,7 +9732,7 @@ letters appear. For example: "&*$bheader_*&<&'header&~name'&>&*:*&&~or&~&&& &*$bh_*&<&'header&~name'&>&*:*&" &&& "&*$lheader_*&<&'header&~name'&>&*:*&&~or&~&&& - &*$lh_*&<&'header&~name'&>&*:*&" + &*$lh_*&<&'header&~name'&>&*:*&" &&& "&*$rheader_*&<&'header&~name'&>&*:*&&~or&~&&& &*$rh_*&<&'header&~name'&>&*:*&" .cindex "expansion" "header insertion"