RE: Pix Firewall and Isa Server
- From: "William Robertson" <robertson.william@xxxxxxxxxxxxxx>
- To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
- Date: Wed, 30 Jul 2003 13:18:47 +0200
Hi Avishay
Well, I?ve only just got my VPN to work in the last month, but that was more
to problems with my ISA config than anything else.
As for allowing a VPN connection through to the ISA Firewall, I have the
following rules in my access-list:
access-list acl_outside permit tcp any host <ISA?s external IP> eq 1723
access-list acl_outside permit udp any host <ISA?s external IP> eq 1723
access-list acl_outside permit gre any host <ISA?s external IP>
This should allow all VPN connections to reach your ISA Server and then be
validated by RRAS and then everything should be just fine!!!
Cheers
William R.
-----Original Message-----
From: Avishay Harary [mailto:avishayh@xxxxxxxxxx]
Sent: 30 July 2003 14:04 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Pix Firewall and Isa Server
http://www.ISAserver.org
I'm going to implement this configuration on my network to. Do you configure
your Isa to get incoming VPN connections? If you do, what did you conigure
on your Pix?
Avishay Harary
System Adminitrator
ChipPC INC
Tel: 972-4-8580999
Mobile: 972-54-669938
www.chippc.com <http://www.chippc.com/>
-----Original Message-----
From: William Robertson [mailto:robertson.william@xxxxxxxxxxxxxx]
Sent: Wednesday, July 30, 2003 12:17 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Pix Firewall and Isa Server
http://www.ISAserver.org
Hi Mario
I have an ISA and PIX firewall connected ?back-to-back?. Here is my config:
LAN à ISA à PIX à Internet
On the PIX?s inside interface I have setup an access-list to permit ALL
traffic from the ISA?s external interface. This is to prevent me from having
to duplicate all rules on ISA and PIX. There are more configuration settings
that need to be implemented but this is pretty much the kernel of the whole
matter.
The beauty of this solution is that for anyone to actively hack me, they
need to know BOTH firewalls. Also if there are any Denial of Service attacks
etc, I simply block those requests on my PIX without ever troubling my ISA.
All in all I am very happy with our solution as I believe it offers me the
best of both world ? flexibility and control!
Cheers
William R.
-----Original Message-----
From: Mario Videira [mailto:videira@xxxxxx]
Sent: 30 July 2003 13:09 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Pix Firewall and Isa Server
http://www.ISAserver.org
Hi All!
Is it possible one network has a Pix Firewall and Isa Server installed in
Integrated Mode?
Whish is the best method to option when i have this situation, i.e., Pix
Firewall and Isa Server in same network?
Thanks
Mario Videira
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opinions are those of the sender unless clearly stated as being that
of Columbus Stainless. The person addressed in the e-mail is the sole
authorised recipient. Please notify the sender immediately if it has
unintentionally reached you and do not read, disclose or use the
content in any way. Whilst all reasonable steps are taken to ensure
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