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Feature #7491 » setup_forward.pl

corrected version of perl script with masquerade line added back - William Rice, 05/23/2019 11:51 AM

 
#! /usr/bin/perl -w

my $start_port=49153;
my $end_port = 51000;

my $private_ip = '192.168.0.5';
my $public_ip = '10.163.4.73';
my $microscope_ip='192.168.0.1';
my $leginon_ip='10.163.4.65';
my $database_ip='10.150.168.11';

`iptables -F`;
`iptables -F -t nat`;
`echo 1 > /proc/sys/net/ipv4/ip_forward`;
`iptables -t nat -A PREROUTING -p tcp -d $public_ip --dport 55555 -j DNAT --to $microscope_ip:55555`;
`iptables -t nat -A PREROUTING -p tcp -d $private_ip --dport 3306 -j DNAT --to $database_ip:3306`;

print "setting up forwarding...\n";
for ($port=$start_port; $port<= $end_port; $port++) {
print "iptables -t nat -A PREROUTING -p tcp -d $public_ip --dport $port -j DNAT --to $microscope_ip:$port\n";
`iptables -t nat -A PREROUTING -p tcp -d $public_ip --dport $port -j DNAT --to $microscope_ip:$port`;
`iptables -t nat -A PREROUTING -p tcp -d $private_ip --dport $port -j DNAT --to $leginon_ip:$port`;
print "iptables -t nat -A PREROUTING -p tcp -d $private_ip --dport $port -j DNAT --to $leginon_ip:$port\n";
}
`iptables -t nat -A POSTROUTING -j MASQUERADE`;
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