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#! /bin/bash
. /etc/profile.d/appscale.sh
# flush the current setting
iptables -F
# allow all established connections
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
# Allow all loopback traffic
iptables -I INPUT 1 -i lo -j ACCEPT
# allow all ssh traffic
iptables -A INPUT -p tcp --dport ssh -j ACCEPT
# allow for all traffic from anywhere for the following
iptables -A INPUT -p tcp --dport 80 -j ACCEPT # nginx -> loadbalancer
iptables -A INPUT -p tcp --dport 443 -j ACCEPT # nginx for ssl
iptables -A INPUT -p tcp --dport 8050 -j ACCEPT # appmonitoring
iptables -A INPUT -p tcp --dport 8080:8090 -j ACCEPT # nginx -> gae
iptables -A INPUT -p tcp --dport 17443 -j ACCEPT # appcontroller
iptables -A INPUT -p tcp --dport 4343 -j ACCEPT # user app server
ALL_IPS_FILE=${APPSCALE_HOME}/.appscale/all_ips
MASTER_FILE=${APPSCALE_HOME}/.appscale/masters
SLAVES_FILE=${APPSCALE_HOME}/.appscale/slaves
# allow any connections coming from within the cluster
cat $ALL_IPS_FILE $MASTER_FILE $SLAVES_FILE | sort -u | while read line; do
test -n "$line" && iptables -A INPUT -s ${line} -j ACCEPT
done
# drop all else
iptables -A INPUT -j DROP
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