add pptpd

pptp/Dockerfile

@@ -1,21 +0,0 @@
-#
-# Dockerfile for VPN (PPTP)
-#
-
-FROM ubuntu:14.04
-MAINTAINER kev<noreply@datageek.info>
-
-RUN apt-get update && \
-    apt-get install -y iptables pptpd && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*
-
-RUN echo "localip 10.99.99.1" >> /etc/pptpd.conf && \
-    echo "remoteip 10.99.99.100-200" >> /etc/pptpd.conf && \
-    echo "ms-dns 8.8.8.8" >> /etc/ppp/pptpd-options
-
-EXPOSE 1723
-
-CMD iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE && \
-    pptpd --fg
-

pptp/README.md

@@ -1,4 +0,0 @@
-# PPTP VPN
-
-This is still a work in progress, a successful connection has not been made.
-

pptpd/Dockerfile

@@ -0,0 +1,23 @@
+#
+# Dockerfile for pptpd
+#
+
+FROM alpine
+MAINTAINER kev<noreply@datageek.info>
+
+RUN apk add -U iptables \
+               ppp \
+               pptpd \
+    && rm -rf /var/cache/apk/*
+
+RUN echo "username * password *"      >> /etc/ppp/chap-secrets \
+    && echo "localip 10.10.10.1"      >> /etc/pptpd.conf \
+    && echo "remoteip 10.10.10.2-254" >> /etc/pptpd.conf \
+    && echo "ms-dns 8.8.8.8"          >> /etc/ppp/pptpd-options \
+    && echo "ms-dns 8.8.4.4"          >> /etc/ppp/pptpd-options
+
+EXPOSE 1723
+
+CMD iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE \
+    && pptpd --fg --logwtmp
+

pptpd/README.md

@@ -0,0 +1,10 @@
+pptpd
+=====
+
+This is still a work in progress, a successful connection has not been made.
+
+You must open the following ports:
+
+- To allow PPTP tunnel maintenance traffic, open `1723/tcp`.
+- To allow PPTP tunneled data to pass through router, open `Protocol 47`.
+