RE: IPSec Firewall

From: Tracy Blackmore (TracyB@xxxxxxxxx)
Date: Sun Nov 12 2000 - 01:22:57 GMT-3


   
I should have known that MS is different. Raptor is another one. They
establish their tunnel using a different port. IPSec though requires only
the three things that I mentioned.

Tracy W. Blackmore
T.S. Lad Consulting
1026 E Stanford Ave.
Gilbert, AZ., 85234
(480)558-0472

                -----Original Message-----
                From: Price, Jamie [mailto:JPrice@isgteam.com]
                Sent: Sunday, November 12, 2000 9:18 AM
                To: 'Tracy Blackmore'; 'Chuck Larrieu'; Tony Olzak;
Vijay Venkatesh
                Cc: ccielab@groupstudy.com
                Subject: RE: IPSec Firewall

                1753 is the port you need to create a conduit for to allow
Microsoft VPN's
                through a firewall (along with the GRE protocol). Maybe
there was some
                confusion about the question.

                -----Original Message-----
                From: Tracy Blackmore [mailto:TracyB@TSLAD.com]
                Sent: Saturday, November 11, 2000 7:19 PM
                To: 'Chuck Larrieu'; Tony Olzak; Vijay Venkatesh
                Cc: ccielab@groupstudy.com
                Subject: RE: IPSec Firewall

                Where did you get that you need 1753? The only port that
you need on the
                firewall is UDP 500 for IKE. The other things that you need
is IP protocol
                code 50 and 51 for AH and ESP SA's. These three things are
all you need to
                allow IPSec tunnels.

                Tracy W. Blackmore
                T.S. Lad Consulting
                1026 E Stanford Ave.
                Gilbert, AZ., 85234
                (480)558-0472

                                -----Original Message-----
                                From: Chuck Larrieu
[mailto:chuck@cl.cncdsl.com]
                                Sent: Saturday, November 11, 2000 5:26 PM
                                To: Tony Olzak; Vijay Venkatesh
                                Cc: ccielab@groupstudy.com
                                Subject: RE: IPSec Firewall

                                According to IANA
        
http://www.isi.edu/in-notes/iana/assignments/port-numbers )

                                translogic-lm 1753/tcp Translogic
License Manager
                                 translogic-lm 1753/udp Translogic
License Manager
                                # Stan Dallas stan@translogic.com

                                1753 is one of the so called "registered"
ports, greater
                than 1023. There
                                appears to be some question as to whether
"registered" means
                "can't be used
                                by any other app ever" :->

                                Chuck

                                -----Original Message-----
                                From: nobody@groupstudy.com
[mailto:nobody@groupstudy.com]
                On Behalf Of Tony
                                Olzak
                                Sent: Friday, November 10, 2000 2:30 PM
                                To: Vijay Venkatesh
                                Cc: ccielab@groupstudy.com
                                Subject: Re: IPSec Firewall

                                Okay. I get all the other ports, but what is
port 1753?

                                Tony

                                ----- Original Message -----
                                From: "Vijay Venkatesh"
<vijay.venkatesh@usa.net>
                                To: "Tony Olzak"
<aolzak@buckeye-express.com>
                                Sent: Friday, November 10, 2000 12:47 PM
                                Subject: Re: IPSec Firewall

> 1753
>
> > Tony Olzak wrote:
> >
> > If I've got an IPSec VPN running between
two routers,
                what ports do
> > I need to keep open on a firewall (ACL)?
> >
> >
> > Tony
>

        



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