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06-13-2013 02:12 AM
Hello everyone,
I need confirmation on configuration.
I attach a picture to this discussion.
Can you confirm that the 2 first menstrual sufficient for the proper functioning of an email server in the DMZ (not to mention filtering rules)?
Also, the first two rules can replace the last?
Thank you in advance for your help.
06-13-2013 07:25 AM
You could keep only the last one, bidirectionnal allow you to minimize the number of NAT rule
it's better
06-13-2013 09:10 AM
Thank you for your return.
One last question, if I understand the "dynamic IP" option, if I put in 'Source Address' multiple servers, so must I translating many public IPs ?
Can you confirm this?
Thank you all.
06-13-2013 10:49 AM
dynamic-ip : Pool Based Source NAT.
1Private:1Pool IP
If Pool is exhausted ,no more outbound connections.
Dynamic IP +Port :Source NAT with Port-Translation
Multiple Private Source--->Single Public IP + dynamic Port
HTH
06-14-2013 12:12 AM
static translation is used to translate 1 ip to another one
the dynamic translation is a same but base on a range of ip or a subnet to be translated base on a pool of ip
but in this case if the pool is exhausted then you can switch to an alternate methode like dinamic ip and port translation.
dinamic port translation allow you to translate with only one ip and modified the source port for the tranlation.
06-14-2013 12:44 AM
Thank you for your help, it is very clear!
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