diff --git a/bin/lex.js b/bin/lex.js
index 913f06f..888ba3b 100755
--- a/bin/lex.js
+++ b/bin/lex.js
@@ -135,6 +135,7 @@ cli.main(function(_, options) {
 
       configure(le, data, function (err, configs) {
         if (err) {
+          console.error("[LEX/bin] configure");
           console.error(err.stack);
           next(err);
           return;
diff --git a/lib/sni-callback.js b/lib/sni-callback.js
index 02eb07e..7aea857 100644
--- a/lib/sni-callback.js
+++ b/lib/sni-callback.js
@@ -18,6 +18,7 @@ module.exports.create = function (opts) {
   if (!opts.memorizeFor) { opts.memorizeFor = 1 * 24 * 60 * 60 * 1000; }
 
   if (!opts.approveRegistration) { opts.approveRegistration = function (hostname, cb) { cb(null, null); }; }
+  //opts.approveRegistration = function (hostname, cb) { cb(null, null); };
   if (!opts.handleRenewFailure) { opts.handleRenewFailure = function (/*err, hostname, certInfo*/) {}; }
 
   function assignBestByDates(now, certInfo) {
@@ -85,7 +86,7 @@ module.exports.create = function (opts) {
         certInfo.tlsContext = tls.createSecureContext({
           key: certInfo.privkey || certInfo.key         // privkey.pem
         , cert: certInfo.fullchain || certInfo.cert     // fullchain.pem (cert.pem + '\n' + chain.pem)
-        });  
+        });
       } catch(e) {
         console.warn("[Sanity Check Fail]: a weird object was passed back through le.fetch to lex.fetch");
         console.warn("(either missing or malformed certInfo.key and / or certInfo.fullchain)");
@@ -129,6 +130,9 @@ module.exports.create = function (opts) {
       opts.letsencrypt.register(args, function (err, certInfo) {
         if (opts.debug) {
           console.debug("[LEX] '" + hostname + "' register completed", err && err.stack || null, certInfo);
+          if ((!err || !err.stack) && !certInfo) {
+            console.error((new Error("[LEX] SANITY FAIL: no error and yet no certs either")).stack);
+          }
         }
 
         cacheResult(err, hostname, certInfo, sniCb);
@@ -186,7 +190,7 @@ module.exports.create = function (opts) {
     // See if it's old enough that
     // we should refresh it from disk
     // (in the background)
-    // 
+    //
     // TODO once ECDSA is available, wait for cert renewal if its due (maybe?)
     if (certInfo.tlsContext) {
       cb(null, certInfo.tlsContext);
diff --git a/lib/standalone.js b/lib/standalone.js
index e8b7635..1fa2373 100644
--- a/lib/standalone.js
+++ b/lib/standalone.js
@@ -5,9 +5,7 @@ var challengeStore = require('./challenge-handlers');
 var createSniCallback = require('./sni-callback').create;
 var LE = require('letsencrypt');
 
-function LEX(obj, app) {
-  var https = require('https');
-  var http = require('http');
+function lexHelper(obj, app) {
   var defaultPems = require('localhost.daplie.com-certificates');
 
   if (!obj) {
@@ -76,33 +74,6 @@ function LEX(obj, app) {
     });
   }
 
-  function acmeResponder(req, res) {
-    if (LEX.debug) {
-      console.debug('[LEX] ', req.method, req.headers.host, req.url);
-    }
-    var acmeChallengePrefix = '/.well-known/acme-challenge/';
-
-    if (0 !== req.url.indexOf(acmeChallengePrefix)) {
-      obj.onRequest(req, res);
-      return;
-    }
-
-    var key = req.url.slice(acmeChallengePrefix.length);
-
-    obj.getChallenge(obj, req.headers.host, key, function (err, val) {
-      if (LEX.debug) {
-        console.debug('[LEX] GET challenge, response:');
-        console.debug('challenge:', key);
-        console.debug('response:', val);
-        if (err) {
-          console.debug(err.stack);
-        }
-      }
-      res.end(val || '_');
-    });
-  }
-
-
   var httpsOptions = obj.httpsOptions || {};
   var sniCallback = httpsOptions.SNICallback;
 
@@ -161,6 +132,48 @@ function LEX(obj, app) {
     httpsOptions.SNICallback = createSniCallback(obj);
   }
 
+  function createAcmeResponder(onRequest) {
+
+    function httpAcmeResponder(req, res) {
+      if (LEX.debug) {
+        console.debug('[LEX] ', req.method, req.headers.host, req.url);
+      }
+      var acmeChallengePrefix = '/.well-known/acme-challenge/';
+
+      if (0 !== req.url.indexOf(acmeChallengePrefix)) {
+        onRequest(req, res);
+        return;
+      }
+
+      var key = req.url.slice(acmeChallengePrefix.length);
+
+      obj.getChallenge(obj, req.headers.host, key, function (err, val) {
+        if (LEX.debug) {
+          console.debug('[LEX] GET challenge, response:');
+          console.debug('challenge:', key);
+          console.debug('response:', val);
+          if (err) {
+            console.debug(err.stack);
+          }
+        }
+        res.end(val || '_');
+      });
+    }
+
+    return httpAcmeResponder;
+  }
+
+  obj.httpAcmeResponder = createAcmeResponder(obj.onHttpRequest||obj.onRequest);
+  obj.httpsAcmeResponder = createAcmeResponder(obj.onHttpsRequest||obj.onRequest);
+  obj.httpsOptions = httpsOptions;
+
+  return obj;
+}
+
+function LEX(obj, app) {
+  var https = require('https');
+  var http = require('http');
+
   function listen(plainPorts, tlsPorts, onListening) {
     if (plainPorts && (!Array.isArray(plainPorts) || !Array.isArray(tlsPorts))) {
       throw new Error(".listen() must be used with plain and tls port arrays, like this: `.listen([80], [443, 5001], function () {})`");
@@ -192,7 +205,7 @@ function LEX(obj, app) {
     plainPorts.forEach(function (addr) {
       var port = addr.port || addr;
       var address = addr.address || '';
-      var server = http.createServer(acmeResponder);
+      var server = http.createServer(obj.httpAcmeResponder);
 
       server.__le_onListening = addr.onListen;
       server.__le_port = port;
@@ -204,8 +217,8 @@ function LEX(obj, app) {
     tlsPorts.forEach(function (addr) {
       var port = addr.port || addr;
       var address = addr.address || '';
-      var options = addr.httpsOptions || httpsOptions;
-      var server = https.createServer(options, acmeResponder);
+      var options = addr.httpsOptions || obj.httpsOptions;
+      var server = https.createServer(options, obj.httpsAcmeResponder);
 
       server.__le_onListen = addr.onListen;
       server.__le_port = port;
@@ -228,9 +241,10 @@ function LEX(obj, app) {
     return results;
   }
 
-  return {
-    listen: listen
-  };
+  obj = lexHelper(obj, app);
+  obj.listen = listen;
+
+  return obj;
 }
 
 module.exports = LEX;