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Re: [PLUG] Find Open Ports
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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
>> ___________________________________________________________________________
>> Philadelphia Linux Users Group -- http://www.phillylinux.org
>> Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
>> General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
>>
> ___________________________________________________________________________
> Philadelphia Linux Users Group -- http://www.phillylinux.org
> Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
> General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
___________________________________________________________________________
Philadelphia Linux Users Group -- http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
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