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Mailserver behind PIX 501

 
 
Alexander Szigetvary
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      09-23-2004
Hi NG!

I got a PIX 501 and want to operate an Exchange server on the inside
interface. Is that possible with only 1 public ip-adress? If so, how?

TIA

Alex


 
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Martin Bilgrav
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      09-23-2004

"Alexander Szigetvary" <(E-Mail Removed)> skrev i en meddelelse
news:YMv4d.306112$(E-Mail Removed)...
> Hi NG!
>
> I got a PIX 501 and want to operate an Exchange server on the inside
> interface. Is that possible with only 1 public ip-adress? If so, how?
>
> TIA
>
> Alex



Hi Alex,

Yes this is possible.
you do this via PAT and port redirection in the static statement and a ACL
on the outside interface.

fx
static (inside, outside) tcp interface 25 192.168.1.10 25 netmask
255.255.255.255 0 0
and a ACL permitting tcp/25
access-list allowed-outside-in permit tcp any host <PUBLIC IP Here> eq 25
access-group allowed-outside-in in interface outside

Were 192.168.1.10 is the IP of the exch-svr and <PUBLIC IP Here> is your
outside interface IP address.

Additionally you might need a MX record pointing to your <PUBLIC IP Here>

the above example will allow you to recieve SMTP mail on the internet.

HTH

Martin Bilgrav


 
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