diff --git a/envs/monkey_zoo/docs/fullDocs.md b/envs/monkey_zoo/docs/fullDocs.md
index a8c0687fc..1605a4792 100644
--- a/envs/monkey_zoo/docs/fullDocs.md
+++ b/envs/monkey_zoo/docs/fullDocs.md
@@ -546,6 +546,42 @@ fullTest.conf is a good config to start, because it covers all machines.
 </tbody>
 </table>
 
+<table>
+<thead>
+<tr class="header">
+<th><p><span id="_Toc536021463" class="anchor"></span>Nr. <strong>12</strong> Tunneling M4</p>
+<p>(10.2.0.12)</p></th>
+<th>(Exploitable)</th>
+</tr>
+</thead>
+<tbody>
+<tr class="odd">
+<td>OS:</td>
+<td><strong>Windows server 2019 x64</strong></td>
+</tr>
+<tr class="even">
+<td>Software:</td>
+<td>OpenSSL</td>
+</tr>
+<tr class="odd">
+<td>Default service’s port:</td>
+<td>445</td>
+</tr>
+<tr class="even">
+<td>Root password:</td>
+<td>:t67TC5ZD+mz</td>
+</tr>
+<tr class="odd">
+<td>Server’s config:</td>
+<td>Default</td>
+</tr>
+<tr class="even">
+<td>Notes:</td>
+<td>Accessible only trough Nr.10</td>
+</tr>
+</tbody>
+</table>
+
 <table>
 <thead>
 <tr class="header">
diff --git a/monkey/infection_monkey/monkey.py b/monkey/infection_monkey/monkey.py
index 2e6470cc0..80d2d8642 100644
--- a/monkey/infection_monkey/monkey.py
+++ b/monkey/infection_monkey/monkey.py
@@ -216,10 +216,6 @@ class InfectionMonkey(object):
 
         # if host was exploited, before continue to closing the tunnel ensure the exploited host had its chance to
         # connect to the tunnel
-
-        #TODO change back
-        time.sleep(WormConfiguration.keep_tunnel_open_time)
-
         if len(self._exploited_machines) > 0:
             time_to_sleep = WormConfiguration.keep_tunnel_open_time
             LOG.info("Sleeping %d seconds for exploited machines to connect to tunnel", time_to_sleep)
diff --git a/monkey/infection_monkey/transport/http.py b/monkey/infection_monkey/transport/http.py
index efb39a71c..80a977561 100644
--- a/monkey/infection_monkey/transport/http.py
+++ b/monkey/infection_monkey/transport/http.py
@@ -110,11 +110,10 @@ class FileServHTTPRequestHandler(http.server.BaseHTTPRequestHandler):
 class HTTPConnectProxyHandler(http.server.BaseHTTPRequestHandler):
     timeout = 30  # timeout with clients, set to None not to make persistent connection
     proxy_via = None  # pseudonym of the proxy in Via header, set to None not to modify original Via header
-    #protocol_version = "HTTP/1.1"
 
     def do_POST(self):
-        content_length = int(self.headers['Content-Length'])  # <--- Gets the size of data
-        post_data = self.rfile.read(content_length).decode()  # <--- Gets the data itself
+        content_length = int(self.headers['Content-Length'])
+        post_data = self.rfile.read(content_length).decode()
         try:
             r = requests.post(url=self.path, data=post_data)
         except requests.exceptions.ConnectionError as e:
diff --git a/monkey/infection_monkey/tunnel.py b/monkey/infection_monkey/tunnel.py
index 3a7d23256..3544f46f3 100644
--- a/monkey/infection_monkey/tunnel.py
+++ b/monkey/infection_monkey/tunnel.py
@@ -126,10 +126,7 @@ class MonkeyTunnel(Thread):
     def run(self):
         self._broad_sock = _set_multicast_socket(self._timeout)
         self.l_ips = local_ips()
-
-        #TODO change back
-        self.local_port = 5002
-        #self.local_port = get_free_tcp_port()
+        self.local_port = get_free_tcp_port()
 
         if not self.local_port:
             return
diff --git a/monkey/monkey_island/cc/resources/bootloader.py b/monkey/monkey_island/cc/resources/bootloader.py
index ce70c20f6..29260b911 100644
--- a/monkey/monkey_island/cc/resources/bootloader.py
+++ b/monkey/monkey_island/cc/resources/bootloader.py
@@ -27,9 +27,9 @@ class Bootloader(flask_restful.Resource):
 
     @staticmethod
     def get_request_contents_linux(request_data: bytes) -> Dict[str, str]:
-        parsed_data = json.loads(request_data.decode().replace("\n", "")
+        parsed_data = json.loads(request_data.decode().replace("\"\n", "")
+                                                      .replace("\n", "")
                                                       .replace("NAME=\"", "")
-                                                      .replace("\"\"", "\"")
                                                       .replace("\":\",", "\":\"\","))
         return parsed_data
 
diff --git a/monkey/monkey_island/cc/ui/src/components/map/preview-pane/PthPreviewPane.js b/monkey/monkey_island/cc/ui/src/components/map/preview-pane/PthPreviewPane.js
deleted file mode 100644
index a5ffa3020..000000000
--- a/monkey/monkey_island/cc/ui/src/components/map/preview-pane/PthPreviewPane.js
+++ /dev/null
@@ -1,59 +0,0 @@
-import React from 'react';
-import PreviewPaneComponent from 'components/map/preview-pane/PreviewPane';
-
-class PthPreviewPaneComponent extends PreviewPaneComponent {
-  nodeInfo(asset) {
-    return (
-      <div>
-        <table className="table table-condensed">
-          <tbody>
-          <tr>
-            <th>Hostname</th>
-            <td>{asset.hostname}</td>
-          </tr>
-          <tr>
-            <th>IP Addresses</th>
-            <td>{asset.ips.map(val => <div key={val}>{val}</div>)}</td>
-          </tr>
-          <tr>
-            <th>Services</th>
-            <td>{asset.services.map(val => <div key={val}>{val}</div>)}</td>
-          </tr>
-          <tr>
-            <th>Compromised Users</th>
-            <td>{asset.users.map(val => <div key={val}>{val}</div>)}</td>
-          </tr>
-          </tbody>
-        </table>
-      </div>
-    );
-  }
-
-  edgeInfo(edge) {
-    return (
-      <div>
-        <table className="table table-condensed">
-          <tbody>
-          <tr>
-            <th>Compromised Users</th>
-            <td>{edge.users.map(val => <div key={val}>{val}</div>)}</td>
-          </tr>
-          </tbody>
-        </table>
-      </div>
-    );
-  }
-
-  getInfoByProps() {
-    switch (this.props.type) {
-      case 'edge':
-        return this.edgeInfo(this.props.item);
-      case 'node':
-        return this.nodeInfo(this.props.item);
-    }
-
-    return null;
-  }
-}
-
-export default PthPreviewPaneComponent;