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authorJeremy Harris <jgh146exb@wizmail.org>2015-06-20 15:20:54 +0100
committerJeremy Harris <jgh146exb@wizmail.org>2015-06-20 15:20:54 +0100
commit09b80b4efb12380da54d64608fd0c1a37733c598 (patch)
tree389a4bb54adcc83831a89745019c1a6a2618ba1c /doc/doc-docbook
parent9820a77f50ca1e33e8a0192ebd9cc11672b1f8e0 (diff)
Add docs and massage coding standards for dns_trust_aa
Diffstat (limited to 'doc/doc-docbook')
-rw-r--r--doc/doc-docbook/spec.xfpt21
1 files changed, 21 insertions, 0 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 09ce793b0..fefc8e3f3 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -11745,6 +11745,9 @@ a dnsdb lookup expansion, dnslookup router or smtp transport.
It will be empty if &(DNSSEC)& was not requested,
&"no"& if the result was not labelled as authenticated data
and &"yes"& if it was.
+Results that are labelled as authoritive answer that match
+the $%dns_trust_aa%& configuration variable count also
+as authenticated data.
.vitem &$mailstore_basename$&
.vindex "&$mailstore_basename$&"
@@ -13586,6 +13589,7 @@ See also the &'Policy controls'& section above.
.row &%dns_ipv4_lookup%& "only v4 lookup for these domains"
.row &%dns_retrans%& "parameter for resolver"
.row &%dns_retry%& "parameter for resolver"
+.row &%dns_trust_aa%& "nameservers trusted as authentic"
.row &%dns_use_edns0%& "parameter for resolver"
.row &%hold_domains%& "hold delivery for these domains"
.row &%local_interfaces%& "for routing checks"
@@ -14283,6 +14287,23 @@ See also the &%slow_lookup_log%& option.
See &%dns_retrans%& above.
+.option dns_trust_aa main domain list&!! unset
+.cindex "DNS" "resolver options"
+.cindex "DNS" "DNSSEC"
+If this option is set then lookup results marked with an AA bit
+(Authoratative Answer) are trusted when they come from one
+of the listed domains, as if they were marked as having been
+DNSSEC-verified.
+
+Use this option only if you talk directly to the resolver
+for your local domains, and list only it.
+It is needed when the resolver does not return an AD bit
+for its local domains.
+The first SOA or NS record appearing in the results is compared
+against the option value.
+
+
+.cindex "DNS" "resolver options"
.option dns_use_edns0 main integer -1
.cindex "DNS" "resolver options"
.cindex "DNS" "EDNS0"