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Static NAT - 24.Jul.2006 11:31:07 PM

wbplomp

Posts: 144
Joined: 18.Nov.2004
From: Netherlands, The
Status: offline

Most firewalls support static NAT. In the current version of ISA Server 2004 and unfortunaly also ISA Server 2006 you can only NAT behind the default/primary IP Address.

For example: you should be able to publish two mailservers to the internet wich each server has it's own public IP Address. The only option you have now is to create a perimeter network with public IP Addresses and enable 1:1 routing between your internet netwerk and the perimeter network. Then put your (seperate) mailservers into this DMZ, enable relaying.

Optional would be to the feature tot static NAT a specific subnet/range.

I hope the ISA Server development team puts this into the next Service Pack.

Boudewijn Plomp

Post #: 1

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RE: Static NAT - 26.Jul.2006 4:13:32 PM

tshinder

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline

Hi Boudewijn ,

They're very aware of the problem and hopefully they'll get it fixed soon.

Thanks!
Tom

_____________________________

Thomas W Shinder, M.D.

(in reply to wbplomp)

Post #: 2

RE: Static NAT - 2.Jan.2009 3:51:57 PM

francoid

Posts: 2
Joined: 2.Jan.2009
Status: offline

Hello,
This does not seem to have changed, either in ISA 2006 SP1 or in TMG. And the third party add-ins I am aware of are only TCP capable (I need UDP as well). Any idea whether static NAT will come about anytime?
Thanks

(in reply to tshinder)

Post #: 3

RE: Static NAT - 3.Jan.2009 12:25:24 PM

ferrix

Posts: 547
Joined: 16.Mar.2005
Status: offline

We wanted to make IP Binder do UDP as well, but unfortunately it was just not possible to do :/

(in reply to wbplomp)

Post #: 4

RE: Static NAT - 3.Jan.2009 1:03:59 PM

francoid

Posts: 2
Joined: 2.Jan.2009
Status: offline

Thanks. OCS 2007 R2 supports a static NAT'd IP for single consolidated edge, and I wanted to take advantage of that, but it seems I won't be able to use ISA for that. I need to explore TMG further on this... or better, has anybody tried already?
Thanks

(in reply to ferrix)

Post #: 5

RE: Static NAT - 5.Jan.2009 8:31:11 AM

tshinder

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline

Hi Frank,

While I can't say for sure, I don't think you'll find the level of static NAT support your require with TMG.

Tom

_____________________________

Thomas W Shinder, M.D.

(in reply to francoid)

Post #: 6