Fix broken cookie

node_modules/c9/urls.js

@@ -39,6 +39,7 @@ plugin.getBaseUrl = function(req, sourceBaseUrlPattern, targetBaseUrlPattern) {
     var sourceHostMatcher = sourceBaseUrlPattern
         .replace(/^https?:\/\//, "")
         .replace(/\/.*/, "")
+        .replace(/\./, "\\.")
         .replace("$DOMAIN", "([^/]+)");
     var hostMatch = sourceHost.match(sourceHostMatcher);
     var targetHost;