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-rw-r--r--modules/caddytls/acmeissuer.go1
-rw-r--r--modules/caddytls/automation.go4
2 files changed, 5 insertions, 0 deletions
diff --git a/modules/caddytls/acmeissuer.go b/modules/caddytls/acmeissuer.go
index 133d007..8c52625 100644
--- a/modules/caddytls/acmeissuer.go
+++ b/modules/caddytls/acmeissuer.go
@@ -153,6 +153,7 @@ func (m *ACMEIssuer) makeIssuerTemplate() (certmagic.ACMEManager, error) {
template.AltTLSALPNPort = m.Challenges.TLSALPN.AlternatePort
}
template.DNSProvider = m.Challenges.DNS
+ template.ListenHost = m.Challenges.BindHost
}
return template, nil
diff --git a/modules/caddytls/automation.go b/modules/caddytls/automation.go
index 24a21cb..22cf20b 100644
--- a/modules/caddytls/automation.go
+++ b/modules/caddytls/automation.go
@@ -239,6 +239,10 @@ type ChallengesConfig struct {
// to Caddy from an external server.
DNSRaw json.RawMessage `json:"dns,omitempty" caddy:"namespace=tls.dns inline_key=provider"`
+ // Optionally customize the host to which a listener
+ // is bound if required for solving a challenge.
+ BindHost string `json:"bind_host,omitempty"`
+
DNS challenge.Provider `json:"-"`
}