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authorDarren Tucker <dtucker@cvs.openbsd.org>2019-07-15 10:18:21 +0000
committerDarren Tucker <dtucker@cvs.openbsd.org>2019-07-15 10:18:21 +0000
commit676242f53f30839f96c081d791891404e2e221af (patch)
treee73785411a68675450a4a56cd99e229e9fcfb264 /etc/unbound.conf
parent62e1e3a174949747a48c0f8263d4af39f3ddf5d3 (diff)
Add tls-cert-bundle and example of using a DNS-over-TLS forwarder.
Note that, at this time, Unbound does not re-use TLS connections (https://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=4089) so the TCP and TLS handshakes will cause a disproportiate increase in latency compared to UDP. ok sthen@ florian@
Diffstat (limited to 'etc/unbound.conf')
-rw-r--r--etc/unbound.conf16
1 files changed, 15 insertions, 1 deletions
diff --git a/etc/unbound.conf b/etc/unbound.conf
index 614b8b55fa9..e16b08c23c6 100644
--- a/etc/unbound.conf
+++ b/etc/unbound.conf
@@ -1,4 +1,4 @@
-# $OpenBSD: unbound.conf,v 1.14 2018/12/16 20:41:30 tim Exp $
+# $OpenBSD: unbound.conf,v 1.15 2019/07/15 10:18:20 dtucker Exp $
server:
interface: 127.0.0.1
@@ -48,6 +48,11 @@ server:
#
#tcp-upstream: yes
+ # CA Certificates used for forward-tls-upstream (RFC7858) hostname
+ # verification. Since it's outside the chroot it is only loaded at
+ # startup and thus cannot be changed via a reload.
+ #tls-cert-bundle: "/etc/ssl/cert.pem"
+
remote-control:
control-enable: yes
control-interface: /var/run/unbound.sock
@@ -58,3 +63,12 @@ remote-control:
# name: "." # use for ALL queries
# forward-addr: 192.0.2.53 # example address only
# forward-first: yes # try direct if forwarder fails
+
+# Use an upstream DNS-over-TLS forwarder and do not fall back to cleartext
+# if that fails.
+#forward-zone:
+# name: "."
+# forward-tls-upstream: yes # use DNS-over-TLS forwarder
+# forward-first: no # do NOT send direct
+# # the hostname after "#" is not a comment, it is used for TLS checks:
+# forward-addr: 192.0.2.53@953#resolver.hostname.example