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rule for source ip address

Posted on 2010-11-29
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Last Modified: 2012-05-10
Hi, on Cisco ASA-5505 I have more addresses public and I have a mail server to which is associated with a public IP different from that used by public interface on ASA, for example:

public IP on ASA: IP 88.x.y.1
pubbbli IP on mail server: 88.x.y.2
private IP mail server: 192.168.1.2

I would that when go to web (on the mail server pc) the ip public address is:
88.x.y.2
and not: 88.x.y.1

with the current current configuration if for example on the mail server go on myip.com I see: 88.x.y.1

Which rule I must add to the current configuration?
Thanks.

-
 Salvatore.
nat-config.JPG
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Question by:sasapix
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5 Comments
 
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Accepted Solution

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lrmoore earned 500 total points
ID: 34229704
Remove all of the individual statics for mailserver and enter a single ip static nat:

static (inside,outside) <public IP2> mailserver netmask 255.255.255.255

Now all traffic, both inbound and outbound to/from this server will always use the public IP2 address.
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Author Comment

by:sasapix
ID: 34229828
after remove all individual statics I must add a new rule as well as in the attached file ?
(where "use ip address" si public_ip2).

Thanks.

-
 Salvatore.
add-rule.JPG
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LVL 79

Expert Comment

by:lrmoore
ID: 34229981
You should not have to change the access rules if you are using the same public IP2 as you are using now
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Author Comment

by:sasapix
ID: 34230122
sorry but in 'add-rule.jpg' I insert a static nat rule not a new access rule, perhaps I did not understand what that you have suggested to me ?

-
 Salvatore.
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LVL 79

Expert Comment

by:lrmoore
ID: 34230194
Sorry. Yes, add a new nat rule
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