We have to Block Production server access from below three
network on cisco router and only allowed access from specific IPs
Three internal network In Office
1)
10.10.32.0/24
2)
10.10.128.0/24
3)
10.10.62.0/24
Specific IP Address:-
1)
10.10.128.70
Production Network
1)
10.13.40.139
2)
10.13.40.142
Script:-
Creating Object group to added internal Network Pool
WAN-R1#sh object-group
Network object group Internal
10.10.32.0
255.255.255.0
10.10.128.0
255.255.255.0
10.10.62.0
255.255.255.0
Added access-list:-
WAN-R1#sh access-lists 123
Extended IP access list 123
10 permit ip host
10.10.128.70 host 10.13.40.139
20 permit ip host
10.10.128.70 host 10.13.40.142
30 deny ip object-group
Internal host 10.13.40.139
40 deny ip
object-group Internal host 10.13.40.142
50 permit ip any
any
Applied access-list on Outside Interface
Interface Serial2/0
Description “Outside World”
ip access-group 123
out
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