diff options
Diffstat (limited to 'plugin/rewrite/edns0.go')
| -rw-r--r-- | plugin/rewrite/edns0.go | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/plugin/rewrite/edns0.go b/plugin/rewrite/edns0.go index 074dd3ebf..e97f04d95 100644 --- a/plugin/rewrite/edns0.go +++ b/plugin/rewrite/edns0.go @@ -203,7 +203,10 @@ func (rule *edns0VariableRule) ruleData(ctx context.Context, state request.Reque fetcher := metadata.ValueFunc(ctx, rule.variable[1:len(rule.variable)-1]) if fetcher != nil { - return []byte(fetcher()), nil + value := fetcher() + if len(value) > 0 { + return []byte(value), nil + } } return nil, fmt.Errorf("unable to extract data for variable %s", rule.variable) |