Support Forwarded header

npm-shrinkwrap.json

@@ -4525,6 +4525,11 @@
         }
       }
     },
+    "ipaddr.js": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
+      "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g=="
+    },
     "irregular-plurals": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/irregular-plurals/-/irregular-plurals-2.0.0.tgz",