Cable Modems ALL incoming ports now BLOCKED on Comcast

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Subject Author Date
ALL incoming ports now BLOCKED on Comcast Charles Newman 09-07-06
Posted by Charles Newman on September 7, 2006, 8:04 am
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X-No-Archive: Yes

Comcast is now blocking ALL incoming traffic into
your PC, so anything even thinking of running a server
of any kind had better forget it. If you were running
any kind of online radio station, as I was, a good
alternative that works, and starting at a reasonable
price is Live 365, at http://www.live365.com.
If you are a Comcast subscriber attempting to run
your own streaming audio and want an alternative,
Live365 is the way to go. Packages that include
the ability to do live streaming from your computer
start at $20 monthly. I have been trying to start
my own online talk show and discovered that
Comcast is now blocking all incoming traffic
to customer computers. I did that by
connecting back to my setup by using an
open proxy server, and disovered that
all incoming traffic is now blocked.



Posted by Tom Stiller on September 7, 2006, 9:08 am
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> X-No-Archive: Yes
>
> Comcast is now blocking ALL incoming traffic into
> your PC, so anything even thinking of running a server of any kind
> had better forget it. If you were running any kind of online radio
> station, as I was, a good alternative that works, and starting at a
> reasonable price is Live 365, at http://www.live365.com. If you are a
> Comcast subscriber attempting to run your own streaming audio and
> want an alternative, Live365 is the way to go. Packages that include
> the ability to do live streaming from your computer start at $20
> monthly. I have been trying to start my own online talk show and
> discovered that Comcast is now blocking all incoming traffic to
> customer computers. I did that by connecting back to my setup by
> using an open proxy server, and disovered that all incoming traffic
> is now blocked.

Then how is it that I still see hundreds of probes per day for ports
like 1026, 1027, 1028, not to mention the occasional probe for FTP, HTTP
and SSH ports?

--
Tom Stiller

PGP fingerprint = 5108 DDB2 9761 EDE5 E7E3
7BDA 71ED 6496 99C0 C7CF

Posted by Charles Newman on September 7, 2006, 9:17 am
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>
> > X-No-Archive: Yes
> >
> > Comcast is now blocking ALL incoming traffic into
> > your PC, so anything even thinking of running a server of any kind
> > had better forget it. If you were running any kind of online radio
> > station, as I was, a good alternative that works, and starting at a
> > reasonable price is Live 365, at http://www.live365.com. If you are a
> > Comcast subscriber attempting to run your own streaming audio and
> > want an alternative, Live365 is the way to go. Packages that include
> > the ability to do live streaming from your computer start at $20
> > monthly. I have been trying to start my own online talk show and
> > discovered that Comcast is now blocking all incoming traffic to
> > customer computers. I did that by connecting back to my setup by
> > using an open proxy server, and disovered that all incoming traffic
> > is now blocked.
>
> Then how is it that I still see hundreds of probes per day for ports
> like 1026, 1027, 1028, not to mention the occasional probe for FTP, HTTP
> and SSH ports?

Well, here in Sacramento, it is 100 percent blocked.
I tested that by attempting to connect back in to the
server I had, by using an open relay in Latvia. The
connection did not work, but when I changed the
connection settings to go without the proxy, the
connection worked. It is 100 percent blocked, here
in Sacramento.



Posted by Patrick Klos on September 7, 2006, 9:18 am
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>
>> Comcast is now blocking ALL incoming traffic into
>> your PC, so anything even thinking of running a server of any kind
>> had better forget it. If you were running any kind of online radio
>> station, as I was, a good alternative that works, and starting at a
>> reasonable price is Live 365, at http://www.live365.com. If you are a
>> Comcast subscriber attempting to run your own streaming audio and
>> want an alternative, Live365 is the way to go. Packages that include
>> the ability to do live streaming from your computer start at $20
>> monthly. I have been trying to start my own online talk show and
>> discovered that Comcast is now blocking all incoming traffic to
>> customer computers. I did that by connecting back to my setup by
>> using an open proxy server, and disovered that all incoming traffic
>> is now blocked.
>
>Then how is it that I still see hundreds of probes per day for ports
>like 1026, 1027, 1028, not to mention the occasional probe for FTP, HTTP
>and SSH ports?

Maybe they're being blocked at Comcast's main connection(s) to the Internet
and not within the Comcast cloud itself? In that case, the probes would
be coming from other Comcast connection machines?? Just a possibility.

Patrick
========= For LAN/WAN Protocol Analysis, check out PacketView Pro! =========
Patrick Klos Email: patrick@klos.com
Klos Technologies, Inc. Web: http://www.klos.com/
============================================================================

Posted by Tom Stiller on September 7, 2006, 11:54 am
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pklos@osmium.mv.net (Patrick Klos) wrote:

> >
> >> Comcast is now blocking ALL incoming traffic into
> >> your PC, so anything even thinking of running a server of any kind
> >> had better forget it. If you were running any kind of online radio
> >> station, as I was, a good alternative that works, and starting at a
> >> reasonable price is Live 365, at http://www.live365.com. If you are a
> >> Comcast subscriber attempting to run your own streaming audio and
> >> want an alternative, Live365 is the way to go. Packages that include
> >> the ability to do live streaming from your computer start at $20
> >> monthly. I have been trying to start my own online talk show and
> >> discovered that Comcast is now blocking all incoming traffic to
> >> customer computers. I did that by connecting back to my setup by
> >> using an open proxy server, and disovered that all incoming traffic
> >> is now blocked.
> >
> >Then how is it that I still see hundreds of probes per day for ports
> >like 1026, 1027, 1028, not to mention the occasional probe for FTP, HTTP
> >and SSH ports?
>
> Maybe they're being blocked at Comcast's main connection(s) to the Internet
> and not within the Comcast cloud itself? In that case, the probes would
> be coming from other Comcast connection machines?? Just a possibility.

A possibility, but not a fact. Checks of originating IP addresses shows
them to come from all over the world: US, China, Bulgaria, France, etc.

--
Tom Stiller

PGP fingerprint = 5108 DDB2 9761 EDE5 E7E3
7BDA 71ED 6496 99C0 C7CF

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