[GRLUG] More blocking from comcast?

adderd at kkmfg.com adderd at kkmfg.com
Fri Jan 9 17:31:59 EST 2009

An update. I ran wireshark to find out what was going on. It appears that
a number of packets do exchange on port 993 and they seem to be the normal
traffic. So comcast is NOT messing with the packets. My only guess now is
that the reason is I'm using a beta of Thunderbird.

> I've been watching this thread as well as the previous ComCast blocking
> threads and though I am no fan of ComCast and would drop them like a hot
> rock if I had another alternative,  I have to say that I have never had
> any
> issues with them dropping or blocking POP3, IMAP or SMTP traffic from my
> home.  I currently connect to my work e-mail (Groupwise 7) and GMail
> accounts, via IMAP and SMTP and have never had any issues.
> As I said before, I am no fan of ComCast and their policies, but from a
> technical standpoint - torrents aside - I have had very few technical
> issues.
> Regards,
> A.J.
> On Tue, Jan 6, 2009 at 11:20 PM, Jeff DeFouw <jeffd at i2k.com> wrote:
>> On Tue, Jan 06, 2009 at 01:11:18PM -0500, Collin Kidder wrote:
>> > Disclaimer: I haven't bothered to really dig into this like I should.
>> >
>> > Problem:  I don't seem to be able to connect to my business IMAP
>> server
>> > from my home over comcast cable internet. I can SSH into the box so
>> I'm
>> > not being totally blocked. I can view web pages on the box. SSL
>> secured
>> > imap (993 port) seems to do absolutely nothing. So far as I can tell
>> > there is nothing wrong with the server and no real reason I shouldn't
>> be
>> > able to get access. I can access the mail over a webmail interface.
>> This
>> > has started within the past week. I know that I should be packet
>> tracing
>> > this to see what is happening but I haven't done that yet.
>> >
>> > Would they really be evil enough to block port 993?
>> My port 993 secure IMAP connection is working fine.  There wouldn't be
>> any reason to block it.
>> --
>> Jeff DeFouw <jeffd at i2k.com>
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