[Cialug] Firewall question

[Tom Sellers]

Thanks to everyone for your help and suggestions!  I have run across quite
a bit of information while searching the web that ends up being downright
incorrect or extremely outdated.

On Wed, Mar 8, 2017 at 10:25 AM, Tom Sellers <tsellers2009 at gmail.com> wrote:

> As far as I know it operates as a router.  The device is a WRK54G wireless
> router.
>
> On Wed, Mar 8, 2017 at 9:45 AM, David Champion <dchamp1337 at gmail.com>
> wrote:
>
>> That would depend one whether he's doing:
>>
>> internet <--> modem <--> firewall <--> ap <--> all your clients
>>
>> or
>>
>> internet <--> modem <--> firewall <--> wireless router <--> all your
>> clients
>>
>> Tom, do you know if your AP is in Access Point mode, or Router mode?
>>
>> -dc
>>
>> On Wed, Mar 8, 2017 at 9:35 AM, Sean Flattery <sean.r.flattery at gmail.com>
>> wrote:
>>
>> > Which system is your DHCP server, and what default route is it telling
>> to
>> > DHCP clients?  Make sure you don't have both your firewall and wireless
>> > router handing out DHCP.
>> >
>> > ========================================
>> >
>> > *Tom Sellers*
>> >     tsellers2009 at gmail.com
>> > <cialug%40cialug.org?Subject=Re%3A%20%5BCialug%5D%
>> > 20Firewall%20question&In-Reply-To=%3CCAGMb6GSE85DusNvm_
>> > -V7ryQQ%2Bkdwx_O2%2Bp8Y2X_SwkbWRcOTLQ%40mail.gmail.com%3E>
>> >     *Tue Mar  7 13:36:49 CST 2017*
>> > ----------------
>> >
>> > I will try to get more detailed later (busy today) but the traceroute
>> > command comes back with two lines.  both reference the base IP of the
>> > router which is 192.168.9.1.  I agree that the problem is with not being
>> > able to get to the internal firewall side which is 192.168.9.254 fixed
>> IP.
>> > If I am logged into the firewall machine I can ping by IP or name.
>> >
>> > ie: ping 8.8.8.8 with a valid response  (also)
>> >      ping www.google.com resolves and .properly as well.
>> >
>> > I can ssh to the firewall at 192.168.9.254 without any issue and perform
>> > the above commands without issue.
>> >
>> > >*From the local machine terminal window both commands fail.
>> > *
>> > Right now the wireless access point does not have an internet
>> connection.
>> > Just trying to route through the firewall to the existing network which
>> > works fine.  When I tried to connect this wireless device to my cable
>> modem
>> > directly I crashed the whole network.  Firewall did not work.
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>> >
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>