[Discuss] Tutorials in IPTABLES

[Gerald Justice]

Salut Jean,

I don't think it is derogatory--it immediately reminded me of that Dilbert
cartoon which I think is very funny!

Yikes, I went from a full beard to no beard and now I'm back to a
moustache+goatee--whatever does that mean!?!

:-)

Gerry


On Sun, Aug 28, 2016 at 6:18 PM, John Tag hart <
jean.philippe.taggart at gmail.com> wrote:

> Hello Gerry,
>
> I didn't know it was derogatory. I apologize.I always thought it as a
> guru, someone with complete command of Linux. (Usually proportional to the
> size of the beard)
>
> 😅
>
> Sent from my iPhone
>
> On Aug 28, 2016, at 1:37 PM, Gerald Justice <justice.gerald at gmail.com>
> wrote:
>
> Hey Jean,
>
> "Unix beard?" As in: http://dilbert.com/search_
> results?terms=get+yourself+a+better+computer
>
> My experience is quite broad since I've been at this for a while.  Mostly
> infrastructure stuff, networking (mostly Cisco switches and routers and
> even terminal servers), firewalls (homemade using Linux w iptables),
> virtualization (VMware and Xen), file service (NetApp and unix-based NFS),
> sysadmin (SunOS, Other BSD flavours, Solaris, Various Linux but mainly
> RedHat (was Certified by RedHat way back for the first 7.2)).  I built a
> remote console system so virtually all our non-windows systems could be
> remotely managed effectively for lights out management especially for
> after-hours emergencies.  Not so much of a programmer now (used to know C
> and Unix sys calls) but have written many scripts: bash, csh, awk, expect.
>
> Presently learning how to do enterprise management of Mac OS X (in a
> Windows environment).
>
> Thanks,
>
> Gerry
>
>
> On Fri, Aug 26, 2016 at 2:26 PM, John Tag hart <
> jean.philippe.taggart at gmail.com> wrote:
>
>> Hello justice,
>>
>> yes I solved it both with chained vm's forwarded and by externalizing to
>> a simple 1u I found a couple of tutorials that were helpful. I've also
>> implemented a VPN round robin in the hardware box that lets me script out
>> what country and exit node. Fun stuff!
>>
>> I do however value having "UNIX beards" on tap. What are your areas of
>> expertise?
>>
>> Jean
>>
>>
>>
>> Sent from my iPhone
>>
>> On Aug 26, 2016, at 1:06 PM, Gerald Justice <justice.gerald at gmail.com>
>> wrote:
>>
>> Bonjour Jean,
>>
>> Did you ever resolve this?
>>
>> I have considerable experience with iptables for firewalls though I'm not
>> sure that I'm the best to present a tutorial.
>>
>> As Lionel suggested, some basic debugging often provides clarification.
>>
>> Merci,
>>
>> Gerry
>>
>>
>>
>> On Mon, Jun 20, 2016 at 5:26 PM, Jean Taggart <
>> jean.philippe.taggart at gmail.com> wrote:
>>
>>> Hello Lionel.
>>>
>>> My weird use case is to chain a virtualbox host only adaptor to another.
>>> I’m essentially going from one VM to another. The second vm is a debian box
>>> that will run openvpn and tunnel out. The goal is that if the Debian VM
>>> isn’t running, there’s no internet access.
>>>
>>> I’ve followed a tutorial and I got some of it to work.
>>>
>>> I’m willing to pay for the tutorial. As such knowledge is highly
>>> specialized, $100 an hour with a 2 hour minimum sounds amenable.
>>>
>>> Cheers,
>>>
>>> Jean Taggart
>>>
>>> > On Jun 20, 2016, at 4:49 PM, Lionel Widdifield <
>>> lwiddif-vlug at nexus.spydernet.ca> wrote:
>>> >
>>> > On Mon, Jun 20, 2016 at 02:49:39PM -0700, Jean Taggart wrote:
>>> >> I'm looking for someone who knows IPTABLES beyond just the basics. I
>>> have a weird use case
>>> >
>>> > could you define "weird use"  from experience 3 out of 4 times people
>>> > forget that tcpip is bi-directional when they build firewalls.
>>> >
>>> > Getting a tcpdump of the interface usually results in "face meeting
>>> palm" repeatedly.
>>> >
>>> >
>>> >
>>> > --
>>> >   Lionel Widdifield
>>> >
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