Thanks for the reply...I have "use default check on remote network"
checked in all 3 cases. I need it set that way so that when I come
through and subsequently try to do email, it is all going through the
site 1 cable access. In 2 situations, that is what happens...but from
home, it does not. Since it never did work from home, I assumed the
same would be true everywhere else. And I have read that this is the
desired outcome (normally) to not allow access over the remote
gateway to the Internet. So I am confused (short trip) by this lack
of consistency...Tom
________________________________________
From: Craig Lalley [[log in to unmask]]
Sent: Sunday, April 12, 2009 3:45 PM
To: Tom Hula
Subject: OT: VPN Mystery
Tom,
I am not an networking expert.
One thing you may want to check, is
In network connections, right click on the network, and go to properties.
Select TCP/IP protocol and click "properties"
Choose the advance button and see if you have the "use default on the remote network" checked.
Good Luck,
-Craig
--- On Sun, 4/12/09, Tom Hula <[log in to unmask]> wrote:
> From: Tom Hula <[log in to unmask]>
> Subject: OT: VPN Mystery
> To: [log in to unmask]
> Date: Sunday, April 12, 2009, 1:29 PM
> I am using Secure Computing Routers at our main site and one
> remote office...
> using IPSEC to communicate between the two sites...and that
> has been working
> fine.
>
> These routers have the plus of allowing PPTP VPN logons as
> well, which I have
> been using to connect with the HP3000 from home. With the
> PPTP link, I find
> I can access the HP and our Windows Server with Remote
> Desktop.
> I can't access the Internet while the VPN access is
> active, with the exception
> that when I am using Remote Desktop, I can access the
> Internet via the
> Windows Server.
>
> Then, the other day, our 2nd site user could no longer send
> email using our
> domain over our ISP's mail server. Something about
> reverse DNS entries?
> He could receive his email, but not send it. Come to find
> out that our ISP is no
> longer supporting someone from one ISP saying he is from a
> different one.
> And yes, I do understand that this is related to spammers.
> In our case,
> we couldn't use the same ISP for both locations...the
> main site uses a
> cable hookup whereas the second uses a wireless connection.
>
> In searching for a solution, I was experimenting with my
> work PC, disconnecting
> from our domain network and then using a dialup account so
> that I was connecting
> to the Internet from outside our network...and then using
> VPN to connect to our
> network. I wasn't expecting a solution that way, but
> when I got into my email, I was
> able to send and receive just fine, because I was actually
> connecting via our network
> Internet connection.
>
> So then I decided to try this out at our 2nd site. I set up
> a PPTP VPN link on it and
> activated it, so then I had both PPTP and IPSEC running at
> the same time...I set
> up the email client to use the PPTP connection only. Then I
> tried it, and could send
> and receive just fine, because it was working through the
> Internet connection
> on our main site. The 2nd site is set up as a
> workgroup...not a domain. So now
> I have email working again, but I don't know why it
> works.
>
> I tried at home, which is also a workgroup like site 2, but
> as usual, when I connect
> via PPTP VPN, I have no access to the Internet on Site 1
> unless I use Remote Desktop
> to get on our Windows Server and do it from there.
>
> I'm glad that the the 2nd site is working again, but
> I'd like to know what is going on.
> My search for a common thread has come up with nothing.
> Used IPCONFIG /ALL and
> could find no significant differences. Any of you network
> gurus know? Thanks in advance.
>
> Tom
>
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