From 9c707e34113b65160f16e9bbf1e212439c3cde9c Mon Sep 17 00:00:00 2001
From: makefu <github@syntax-fehler.de>
Date: Tue, 6 May 2014 16:13:56 +0200
Subject: add journal of default-gw configuration

---
 sites/tinc-defaultgw/configure-default-gw.journal | 47 +++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 sites/tinc-defaultgw/configure-default-gw.journal

diff --git a/sites/tinc-defaultgw/configure-default-gw.journal b/sites/tinc-defaultgw/configure-default-gw.journal
new file mode 100644
index 00000000..5e44e98c
--- /dev/null
+++ b/sites/tinc-defaultgw/configure-default-gw.journal
@@ -0,0 +1,47 @@
+Most of the code ist stolen from: http://wiki.ubuntuusers.de/Tinc
+
+Make sure that you replace:
+ * <gateway-node> -> name of the gateway node in tinc
+ * <tinc-internal-ip-of-gateway>
+ * <eth0-or-ens3>
+
+# Client
+
+    curl tinc.krebsco.de | sh
+    # edit /etc/tinc/retiolum/tinc.conf to use only the nodes you would like to
+    # connect to
+    cd /etc/tinc/retiolum/hosts
+    cat > <gateway-node>-up <<EOF 
+    #!/bin/sh
+    VPN_GATEWAY=<tinc-internal-ip-of-gateway>
+    ORIGINAL_GATEWAY=`ip route show | grep ^default | cut -d ' ' -f 2-5`
+
+    ip route add $REMOTEADDRESS $ORIGINAL_GATEWAY
+    ip route add $VPN_GATEWAY dev $INTERFACE
+    ip route add 0.0.0.0/1 via $VPN_GATEWAY dev $INTERFACE
+    ip route add 128.0.0.0/1 via $VPN_GATEWAY dev $INTERFACE
+    EOF
+    cat > <gateway-node>-down <<EOF
+    #!/bin/sh
+    ORIGINAL_GATEWAY=`ip route show | grep ^default | cut -d ' ' -f 2-5`
+    ip route del $REMOTEADDRESS $ORIGINAL_GATEWAY
+    ip route del $VPN_GATEWAY dev $INTERFACE
+    ip route del 0.0.0.0/1 dev $INTERFACE
+    ip route del 128.0.0.0/1 dev $INTERFACE
+    EOF
+    systemctl restart tincd@retiolum
+
+
+# Server
+Server is <gateway-node>
+
+    # add the key to painload
+    make -C //retiolum update
+    # allow ip masquerading
+    #   persist this:
+    iptables -t nat -A POSTROUTING -o <eth0-or-ens3> -s 10.243.0.0/16 -j MASQUERADE
+    echo "net.ipv4.ip_forward=1" > /etc/sysctl.d/11-ipforward.conf
+    sysctl -p
+    # add to your /etc/tinc/retiolum/hosts/<gateway-node> :
+    Subnet = 0.0.0.0/0
+    systemctl restart tincd@retiolum
-- 
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