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PDM - change IP address of internal mail server
PIX Firewall 6.3(1)
PIX Device Manager 3.0(1)
I'm trying to do something that should be simple. We are adding an anti-spam device to our network. Currently, the PIX is directing SMTP traffic to our Exchange server (10.0.0.6). I'm trying to now direct that SMTP traffice to the anti-spam device (10.0.0.25).
The PIX has an access rule and a translation rule. I have tried to change the IP address in both rule from 10.0.0.6 to 10.0.0.25. I continue to get a message when trying to change the access rule stating:
No Static Network Address Translation rule is configured for the destination host or network on interface outside. Would you like to add a static NAT rule for the host or network now?
I do so, but when returning to editing the access rule and clicking OK, the same message comes up, as if I have not addedd the NAT rule.
I have also tried to change the translation rule, but it will not allow the IP address of 10.0.0.6 to be changed. If I try to remove the translation rule, it states the following:
PDM has found that this operation will result in some security rules getting nullified. Please review your transaction/security rules before retrying this operation.
Where am I going wrong? The rules in place function with the existing mail server - just trying to change the internal IP that the mail gets routed to.