From 09b63df9c1584bb5389d1b681698631bcd7c19e1 Mon Sep 17 00:00:00 2001 From: Chris O'Haver Date: Thu, 10 Jun 2021 04:50:20 -0400 Subject: [PATCH] fix cidr multi-zone check (#4682) Signed-off-by: Chris O'Haver --- plugin/forward/setup.go | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/plugin/forward/setup.go b/plugin/forward/setup.go index 3cebfe2d9..1f88daba5 100644 --- a/plugin/forward/setup.go +++ b/plugin/forward/setup.go @@ -93,9 +93,10 @@ func parseStanza(c *caddy.Controller) (*Forward, error) { return f, c.ArgErr() } origFrom := f.from - f.from = plugin.Host(f.from).NormalizeExact()[0] // there can only be one here, won't work with non-octet reverse + zones := plugin.Host(f.from).NormalizeExact() + f.from = zones[0] // there can only be one here, won't work with non-octet reverse - if len(f.from) > 1 { + if len(zones) > 1 { log.Warningf("Unsupported CIDR notation: '%s' expands to multiple zones. Using only '%s'.", origFrom, f.from) }