diff --git a/doc/6-configuring-icinga-2.md b/doc/6-configuring-icinga-2.md
index 80a59ce94..9e623b366 100644
--- a/doc/6-configuring-icinga-2.md
+++ b/doc/6-configuring-icinga-2.md
@@ -1858,6 +1858,7 @@ http_vhost         | **Optional.** The virtual host that should be sent in the "
 http_uri           | **Optional.** The request URI.
 http_port          | **Optional.** The TCP port. Defaults to 80 when not using SSL, 443 otherwise.
 http_ssl           | **Optional.** Whether to use SSL. Defaults to false.
+http_auth_pair	   | **Optional.** Add 'username:password' authorization pair.
 http_warn_time     | **Optional.** The warning threshold.
 http_critical_time | **Optional.** The critical threshold.
 
diff --git a/itl/command-plugins.conf b/itl/command-plugins.conf
index c521c8ea5..0aca02e24 100644
--- a/itl/command-plugins.conf
+++ b/itl/command-plugins.conf
@@ -121,6 +121,10 @@ object CheckCommand "http" {
 		"-S" = {
 			set_if = "$http_ssl$"
 		}
+		"-a" = {
+			value = "$http_auth_pair$"
+			description = "Username:password on sites with basic authentication"
+		}
 		"-w" = "$http_warn_time$"
 		"-c" = "$http_critical_time$"
 	}