diff --git a/cmd/commandfuncs.go b/cmd/commandfuncs.go
index 746cf3da..49d0321e 100644
--- a/cmd/commandfuncs.go
+++ b/cmd/commandfuncs.go
@@ -74,6 +74,10 @@ func cmdStart(fl Flags) (int, error) {
 	// sure by giving it some random bytes and having it echo
 	// them back to us)
 	cmd := exec.Command(os.Args[0], "run", "--pingback", ln.Addr().String())
+	// we should be able to run caddy in relative paths
+	if errors.Is(cmd.Err, exec.ErrDot) {
+		cmd.Err = nil
+	}
 	if configFlag != "" {
 		cmd.Args = append(cmd.Args, "--config", configFlag)
 	}
diff --git a/modules/caddyhttp/ip_range.go b/modules/caddyhttp/ip_range.go
index 7632e460..bfd76c14 100644
--- a/modules/caddyhttp/ip_range.go
+++ b/modules/caddyhttp/ip_range.go
@@ -128,3 +128,10 @@ var (
 	_ caddyfile.Unmarshaler = (*StaticIPRange)(nil)
 	_ IPRangeSource         = (*StaticIPRange)(nil)
 )
+
+// PrivateRangesCIDR returns a list of private CIDR range
+// strings, which can be used as a configuration shortcut.
+// Note: this function is used at least by mholt/caddy-l4.
+func PrivateRangesCIDR() []string {
+	return internal.PrivateRangesCIDR()
+}