The masq table has the source subnet 92.168.0.0/16. Shouldn't that be 
192.168.0.0/16?

  -Les


> On Mar 15, 2017, at 5:24 PM, Ryan Joiner <[email protected]> wrote:
> 
> Hello, I'm doing the most simple firewall setup on CentOS 6 using Shorewall 
> 5.1.2.4-1.  It is two cards, eth0 and eth1.  I'm using the two-interface 
> sample file for snat and it seems like snat is not working.  The firewall has 
> open access to the internet and that is working fine, just PC's behind it 
> can't get out.  I've been using shorewall for over 10 years and this one has 
> me stumped!
> 
> Also, I had setup a firewall last weekend on CentOS7 using Shorewall 
> 5.1.2.3-1 and had this same exact issue.  I downgraded to 5.0.1.4, same exact 
> config, and everything worked perfectly.  Maybe I missed something that 
> changed since then?
> 
> Firewall IP's
> eth0 is 192.168.122.195/24
> eth1 is 192.168.20.1/24
> eth2 exists but is off and not being used FYI.
> 
> Device on network trying to get to internet is 192.168.20.2/24
> 
> Attached is dump.
> Thank you!
> <test.txt>
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