[Cialug] Firewall question

Barry Von Ahsen vonahsen at gmail.com
Tue Mar 7 12:45:10 CST 2017


could you also share

iptables -n -L -t nat

and

cat  /proc/sys/net/ipv4/ip_forward






-barry


> On Mar 6, 2017, at 7:01 PM, Tom Sellers <tsellers2009 at gmail.com> wrote:
> 
> Here is the screen shot of the command ran on the firewall server.
> 
> On Mon, Mar 6, 2017 at 5:24 PM, Nicolai <nicolai-cialug at chocolatine.org>
> wrote:
> 
>> On Mon, Mar 06, 2017 at 04:57:45PM -0600, Tom Sellers wrote:
>> 
>>> Is there a way to look at the existing firewall setup?
>> 
>> Yes.  As root, type:
>> 
>> iptables -L -n
>> 
>> Read the manual page to see what each option does.
>> 
>> To get the best help, copy/paste the output here.
>> 
>>> I am open to a different firewall option that would run on an older piece
>>> of hardware since most of my hardware is not very up to date.
>> 
>> Just so you know, simple NAT routers and firewalls require minimal
>> resources.  Just about any old box with 2+ network cards should work.
>> 
>> Nicolai
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>> 
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