debian install shorewall

apt-get install shorewall
cp /usr/share/doc/shorewall/examples/one-interface/interfaces /etc/shorewall/interfaces
cp /usr/share/doc/shorewall/examples/one-interface/policy /etc/shorewall/policy
cp /usr/share/doc/shorewall/examples/one-interface/rules /etc/shorewall/rules
cp /usr/share/doc/shorewall/examples/one-interface/zones /etc/shorewall/zones

Now open /etc/shorewall/policy file and change the line:
net all DROP info
removing info directive given it fills the system logs:
net all DROP
Now open /etc/shorewall/rules and add the following rules at the bottom of the file:
HTTP/ACCEPT net $FW
SSH/ACCEPT net $FW
FTP/ACCEPT net $FW
# real apache since varnish listens on port 80
#ACCEPT net $FW tcp 8080
ACCEPT net:192.168.1.10 $FW TCP 22

vi /etc/shorewall/shorewall.conf STARTUP_ENABLED=No —— STARTUP_ENABLED=Yes
vi /etc/default/shorewall startup=0 —— startup=1

/etc/init.d/shorewall start

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