diff --git a/CHANGELOG.md b/CHANGELOG.md
index 55b5016..6a96ebb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # node-red-contrib-nextcloud changelog
 
+## 0.1.1
+_2018-05-xx_ (work in progress)
+* added checkbox to accept self signed server certificates to credentials
+* added support for self signed certificates to WebDAV nodes (needs [webdav](https://github.com/perry-mitchell/webdav-client) package to be updated to 1.5.3 or newer)
+* removed debug output in node WebDAV list
+
 ## 0.1.0
 _2018-04-30_
 * addad missing option to set directory in incoming message for WebDAV list
@@ -14,4 +20,5 @@ _2018-04-29_
    * WebDAV Nodes
      * List directory entries
      * upload file to nextcloud server
-     * download file to nextcloud server
\ No newline at end of file
+     * download file to nextcloud server
+
diff --git a/nextcloud.html b/nextcloud.html
index 258847f..3e245bf 100644
--- a/nextcloud.html
+++ b/nextcloud.html
@@ -3,7 +3,8 @@
         category: 'config',
         defaults: {
             cname: {value: '', required: false},
-            address: {value: 'https://your.server.com', required: true}
+            address: {value: 'https://your.server.com', required: true},
+            insecure: {value: '', required: false}
         },
 		credentials: {
         	user: {type:'text'},
@@ -27,6 +28,12 @@
         <label for="node-config-input-address"><i class="fa fa-server"></i> Server</label>
         <input type="text" id="node-config-input-address">
     </div>
+    <div class="form-row">
+        <label for="node-config-input-insecure"><i class="fa fa-server"></i> Security</label>
+        <input type="checkbox" value="1" id="node-config-input-insecure"
+        	style="display: inline-block; width: auto; vertical-align: top">
+        	<span style="width: 70%">Accept self signed certificates</span>
+    </div>
     <div class="form-row">
         <label for="node-config-input-user"><i class="fa fa-server"></i> Username</label>
         <input type="text" id="node-config-input-user">
diff --git a/nextcloud.js b/nextcloud.js
index 273ef3b..7b84acb 100644
--- a/nextcloud.js
+++ b/nextcloud.js
@@ -6,6 +6,7 @@ module.exports = function(RED) {
     function NextcloudConfigNode(n) {
         RED.nodes.createNode(this, n)
         this.address = n.address
+        this.insecure = n.insecure
     }
     RED.nodes.registerType('nextcloud-credentials', NextcloudConfigNode, {
         credentials: {
@@ -140,9 +141,13 @@ module.exports = function(RED) {
             } else if (node.directory && node.directory.length) {
                 directory = '/' + node.directory
             }
+            // check option for self signed certs
+            const option = {}
+            if (node.server.insecure) {
+                option.agent = new https.Agent({ rejectUnauthorized: false })
+            }
             directory = directory.replace('//', '/')
-
-            client.getDirectoryContents(directory)
+            client.getDirectoryContents(directory, option)
                 .then(function (contents) {
                     node.send({'payload': contents})
                 }, function (error) {
@@ -172,8 +177,12 @@ module.exports = function(RED) {
                 return
             }
             filename = filename.replace('//', '/')
-
-            client.getFileContents(filename)
+            // check option for self signed certs
+            const option = {}
+            if (node.server.insecure) {
+                option.agent = new https.Agent({ rejectUnauthorized: false })
+            }
+            client.getFileContents(filename, option)
                 .then(function (contents) {
                     node.send({'payload': contents})
                 }, function (error) {
@@ -207,11 +216,14 @@ module.exports = function(RED) {
                 directory += node.directory + '/'
             }
             directory = directory.replace('//', '/')
-
             const webDavUri = node.server.address + '/remote.php/webdav/'
             const client = webdav(webDavUri, node.server.credentials.user, node.server.credentials.pass)
-
-            client.putFileContents(directory + name, file, { format: 'binary' })
+            // check option for self signed certs
+            const option = {}
+            if (node.server.insecure) {
+                option.agent = new https.Agent({ rejectUnauthorized: false })
+            }
+            client.putFileContents(directory + name, file, { format: 'binary' }, option)
                 .then(function(contents) {
                     console.log(contents)
                     node.send({'payload': JSON.parse(contents)})