From de35486fb7df1aa00dfb0d3de457f7c2bc1d2489 Mon Sep 17 00:00:00 2001 From: "W.C.A. Wijngaards" Date: Tue, 25 Feb 2020 09:58:32 +0100 Subject: [PATCH] Documentation for prefer-ip4, Issue #165. --- doc/example.conf.in | 3 +++ doc/unbound.conf.5.in | 7 +++++++ 2 files changed, 10 insertions(+) diff --git a/doc/example.conf.in b/doc/example.conf.in index 4ce9348c2..30a767d62 100644 --- a/doc/example.conf.in +++ b/doc/example.conf.in @@ -70,6 +70,9 @@ server: # Set this to yes to prefer ipv6 upstream servers over ipv4. # prefer-ip6: no + # Prefer ipv4 upstream servers, even if ipv6 is available. + # prefer-ip4: no + # number of ports to allocate per thread, determines the size of the # port range that can be open simultaneously. About double the # num-queries-per-thread, or, use as many as the OS will allow you. diff --git a/doc/unbound.conf.5.in b/doc/unbound.conf.5.in index aef2e977f..541a93688 100644 --- a/doc/unbound.conf.5.in +++ b/doc/unbound.conf.5.in @@ -381,6 +381,13 @@ IPv6 to the internet nameservers. With this option you can disable the ipv6 transport for sending DNS traffic, it does not impact the contents of the DNS traffic, which may have ip4 and ip6 addresses in it. .TP +.B prefer\-ip4: \fI +If enabled, prefer IPv4 transport for sending DNS queries to internet +nameservers. Default is no. Useful if the IPv6 netblock the server has, +the entire /64 of that is not owned by one operator and the reputation of +the netblock /64 is an issue, using IPv4 then uses the IPv4 filters that +the upstream servers have. +.TP .B prefer\-ip6: \fI If enabled, prefer IPv6 transport for sending DNS queries to internet nameservers. Default is no. -- 2.47.2