Re: [PLUG] Find Open Ports

["K. Clair" <kclair@gmail.com>]

sure. my main point was that if it's outgoing port blocks that are the
question, that's a lot easier to work with, using port forwarding, as
someone else suggested, or ssh tunneling.

On Mon, Jun 29, 2009 at 10:07 PM, John Sladek<jsladek@comcast.net> wrote:
> I suspect his ISP does not allow that...
>
> On Jun 29, 2009, at 10:05 PM, K. Clair wrote:
>
>> wait - i'm confused.
>> you're still going to be running your webserver from within your home
>> network, right?    if so, what you need to figure out is what outgoing
>> ports your employer is blocking or not blocking, no?
>>
>> (and if 80 outgoing is open, can't you configure your home network to
>> listen on port 80?)
>>
>> -k
>>
>> On Mon, Jun 29, 2009 at 9:07 PM, Casey
>> Bralla<MailList@nerdworld.org> wrote:
>>> My employer is very aggressive in closing off ports.  This makes it
>>> hard for me
>>> to access my home network from work.  Luckily, port 23 is open so I
>>> can ssh
>>> in, and of course, port 80 is left alone.
>>>
>>> However, I've got several special web pages that run on computers
>>> behind my
>>> firewall.  I access them through port forwarding to non-standard
>>> ports (such as
>>> 81 & 82).
>>>
>>> Unfortunately, since my employer blocks these ports, I can't use
>>> them.   I do
>>> have unlimited discretion, however, in assigning my programs to
>>> whatever port
>>> I desire.
>>>
>>> So....  if I knew which ports were NOT blocked, I could use those.
>>>
>>> BUT...  How do I check to see if what ports are available?
>>>
>>> So far, I've been able to come up with 2 ideas:  1) scan every
>>> port, and 2)
>>> try ports manually one at a time.
>>>
>>>
>>>
>>> I could run a portscan on my portable, but that would undoubtedly
>>> raise all
>>> kinds of alarms.  Also, I'd have to be sure I was connecting to
>>> something that
>>> had those ports active.
>>>
>>>
>>> Does anybody have any suggestions on how to test to see if a series
>>> of ports
>>> is not filtered, or have a suggestion of ports that I could test
>>> manually
>>> through trial and error?
>>> --
>>>
>>> Casey Bralla
>>> Chief Nerd in Residence
>>> The NerdWorld Organisation
>>>
>>> http://www.NerdWorld.org
>>> ___________________________________________________________________________
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>> ___________________________________________________________________________
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>
> ___________________________________________________________________________
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> Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
> General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug
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___________________________________________________________________________
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