diff --git a/pptpd/Dockerfile b/pptpd/Dockerfile
index 6b7b18f..828a0d2 100644
--- a/pptpd/Dockerfile
+++ b/pptpd/Dockerfile
@@ -1,20 +1,18 @@
 #
 # Dockerfile for pptpd
 #
+# WARNING: I ONLY WORKS IN NET:HOST MODE
+#
 
 FROM debian:jessie
 MAINTAINER kev<noreply@datageek.info>
 
 RUN apt-get update \
-    && apt-get install -y iptables pptpd \
+    && apt-get install -y pptpd \
     && rm -rf /var/lib/apt/lists/*
 
 COPY pptpd.conf   /etc/
 COPY chap-secrets /etc/ppp/
-COPY options.pptp /etc/ppp/
-
-EXPOSE 1723
-
-CMD iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE \
-    && pptpd --fg
+COPY pptpd-options /etc/ppp/
 
+CMD ["pptpd", "--fg"]
diff --git a/pptpd/README.md b/pptpd/README.md
index 3646168..f394104 100644
--- a/pptpd/README.md
+++ b/pptpd/README.md
@@ -11,13 +11,22 @@ pptpd:
   image: vimagick/pptpd
   volumes:
     - ./pptpd.conf:/etc/pptpd.conf
-    - ./options.pptp:/etc/ppp/options.pptp
+    - ./pptpd-options:/etc/ppp/pptpd-options
     - ./chap-secrets:/etc/ppp/chap-secrets
   net: host
   privileged: true
   restart: always
 ```
 
+## server
+
+```
+$ docker-compose up -d
+$ iptables -t filter -I INPUT -p tcp --dport 1723 -j ACCEPT
+$ iptables -t filter -I INPUT -p 47 -j ACCEPT
+$ iptables -t nat -I POSTROUTING -s 192.168.127.0/24 -j MASQUERADE
+```
+
 You must open the following ports:
 
 - To allow PPTP tunnel maintenance traffic, open `1723/tcp`.
diff --git a/pptpd/options.pptp b/pptpd/options.pptp
deleted file mode 100644
index 3b1b967..0000000
--- a/pptpd/options.pptp
+++ /dev/null
@@ -1,7 +0,0 @@
-lock
-auth
-+chap
-name datageek
-proxyarp
-ms-dns 8.8.8.8
-ms-dns 8.8.4.4
diff --git a/pptpd/pptpd-options b/pptpd/pptpd-options
new file mode 100644
index 0000000..a55dcd9
--- /dev/null
+++ b/pptpd/pptpd-options
@@ -0,0 +1,15 @@
+name pptpd
+refuse-pap
+refuse-chap
+refuse-mschap
+require-mschap-v2
+require-mppe-128
+proxyarp
+nodefaultroute
+lock
+nobsdcomp
+novj
+novjccomp
+nologfd
+ms-dns 8.8.8.8
+ms-dns 8.8.4.4
diff --git a/pptpd/pptpd.conf b/pptpd/pptpd.conf
index 918996f..c9c75f4 100644
--- a/pptpd/pptpd.conf
+++ b/pptpd/pptpd.conf
@@ -1,5 +1,4 @@
-speed 115200
 option /etc/ppp/options.pptp
+pidfile /var/run/pptpd.pid
 localip 192.168.127.1
 remoteip 192.168.127.100-199
-pidfile /var/run/pptpd.pid