Hi Guys,
In this task, why is so much effort put into writing such an acl?

is it not easier to just do

deny IN-FILTER WEB-MAINT
deny IN-FILTER WEB-MAINT
permit ip any any

? It does not state anywhere that it is not allowed to pass any other traffic. 
But in this example great effort is  made to permit ntp and bgp peerings, it 
seems a hassle to me ?

The other thing is, why is 

ip access-list extended WEB_SERVER
deny tcp host 9.9.156.2 host 10.10.45.4 <-- done ?

In my video it says that this is because we do not want the ACS server to be 
checked by tcp intercept, and this is the translated address, but that's not 
true? In the previous task we translated the ACS server to 9.2.1.100, as per 
the book task. 9.9.156.2 is the interface address of R2, namely gi0/1.1256

rgds,
Alef
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