frodovdr/csf-post-docker
1
0
Fork 0
mirror of https://github.com/juliengk/csf-post-docker.git synced 2023-10-10 13:37:41 +02:00
Code Issues Releases Wiki Activity

Initial commit

Browse Source
This commit is contained in:
Julien Kassar 2015-07-21 23:53:29 -04:00
commit 808685f2f1
2 changed files with 45 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
README.md Normal file
View File

@ -0,0 +1 @@
# ConfigServer Security & Firewall (CSF) - Docker

44
csfpost.sh Normal file
View File

@ -0,0 +1,44 @@
#!/bin/bash
DOCKER_INT="docker0"
DOCKER_NETWORK="172.17.0.0/16"
iptables -N DOCKER
iptables -t nat -N DOCKER
iptables -A FORWARD -o ${DOCKER_INT} -j DOCKER
iptables -A FORWARD -o ${DOCKER_INT} -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -i ${DOCKER_INT} ! -o ${DOCKER_INT} -j ACCEPT
iptables -A FORWARD -i ${DOCKER_INT} -o ${DOCKER_INT} -j ACCEPT
iptables -t nat -A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
iptables -t nat -A OUTPUT ! -d 127.0.0.0/8 -m addrtype --dst-type LOCAL -j DOCKER
iptables -t nat -A POSTROUTING -s ${DOCKER_NETWORK} ! -o ${DOCKER_INT} -j MASQUERADE
containers=`docker ps -q`
if [ `echo ${containers} | wc -c` -gt "1" ] ; then
for container in ${containers} ; do
rules=`docker port ${container} | sed 's/ //g'`
if [ `echo ${rules} | wc -c` -gt "1" ] ; then
ipaddr=`docker inspect -f "{{.NetworkSettings.IPAddress}}" ${container}`
for rule in ${rules} ; do
src=`echo ${rule} | awk -F'->' '{ print $2 }'`
dst=`echo ${rule} | awk -F'->' '{ print $1 }'`
src_ip=`echo ${src} | awk -F':' '{ print $1 }'`
src_port=`echo ${src} | awk -F':' '{ print $2 }'`
dst_port=`echo ${dst} | awk -F'/' '{ print $1 }'`
dst_proto=`echo ${dst} | awk -F'/' '{ print $2 }'`
iptables -A DOCKER -d ${ipaddr}/32 ! -i ${DOCKER_INT} -o ${DOCKER_INT} -p ${dst_proto} -m ${dst_proto} --dport ${dst_port} -j ACCEPT
iptables -t nat -A POSTROUTING -s ${ipaddr}/32 -d ${ipaddr}/32 -p ${dst_proto} -m ${dst_proto} --dport ${dst_port} -j MASQUERADE
iptables -t nat -A DOCKER ! -i ${DOCKER_INT} -p ${dst_proto} -m ${dst_proto} --dport ${src_port} -j DNAT --to-destination ${ipaddr}:${dst_port}
done
fi
done
fi