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authorJeremy Harris <jgh146exb@wizmail.org>2020-01-19 17:22:58 +0000
committerJeremy Harris <jgh146exb@wizmail.org>2020-01-20 16:44:49 +0000
commit8c2a478b1f6f8c3fb43317c1e6729b23a3b972b7 (patch)
tree70c498d5a27168452c6897190e04e36ed8623eed /doc/doc-docbook/spec.xfpt
parentc8b050fd148ef06666c1f6feaa492d122f65e23e (diff)
Support "hide" on named-list definition lines
Diffstat (limited to 'doc/doc-docbook/spec.xfpt')
-rw-r--r--doc/doc-docbook/spec.xfpt13
1 files changed, 13 insertions, 0 deletions
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