Re: Port Forwarding

Tom Eastep
Mon, 07 Mar 2011 03:58:13 -0000

On 3/6/11 7:48 PM, CACook@quantum-sci.com wrote:
>
> Any help?
>
>
> On Fri 04 March 2011 10:50:57 CACook@quantum-sci.com wrote:
>> On Fri 04 March 2011 05:55:35 Roberto C. Sánchez wrote:
>>> First, to confirm, do you have ip forwarding enabled?
>>
>> Well, I have no idea.
>>
>>
>>> Second, you shouldn''t need the ACCEPT rule, since the DNAT
>>> creates a coresponding ACEPT rule for you already.
>>
>> If I don''t put in that ACCEPT rule I get firewall blocking
errors
>> in dmesg.
>>
>>
>>> Now, please also note that if you are rudoing the DNAT
>>> redirection on the same machine from which you are running the
>>> web browser, that you may want to see this as well:
>>> http://www.shorewall.net/Shorewall_Squid_Usage.html#Firewall
>>>
>>> It is written for Squid, but the same principle applies.
>>
>> Sorry, I can''t understand how that fits.
>>
>> Right now almost everything in my systems is failing.  Hard drive
>> in laptop going out;  running remote X apps doesn''t work on
HTPC;
>> camera app doesn''t work on backup server;  my phone quit;
download
>> of Debian is so slow it''s going to take 12 hours;  and this is
my
>> only day off.  It''s hard to think at this point.
>>

With which problem?

- hard drive
- X apps
- camera
- download speed
- vague ''port forwarding'' problem

There are so many.

For ''port forwarding'', I suggest that you look at the
troubleshooting
instructions in Shorewall FAQs 1a and 1b. I wrote Shorewall and there is
nothing that I can add to the instructions in those two FAQs.

-Tom
--
Tom Eastep        \ When I die, I want to go like my Grandfather who
Shoreline,         \ died peacefully in his sleep. Not screaming like
Washington, USA     \ all of the passengers in his car
http://shorewall.net \________________________________________________



------------------------------------------------------------------------------
What You Don''t Know About Data Connectivity CAN Hurt You
This paper provides an overview of data connectivity, details
its effect on application quality, and explores various alternative
solutions. http://p.sf.net/sfu/progress-d2d