How to Configure Cisco ASA Firewall | ASA Firewall BASIC SETUP Step by Step 


LAB : 



Topology : 





CLI COMMANDS : 



INSIDE
-----------------------------------------------
interface Loopback1
 ip address 10.1.1.1 255.255.255.0
!
interface Loopback2
 ip address 10.2.2.1 255.255.255.0
!
interface FastEthernet0/0
 ip address 10.11.11.1 255.255.255.0
 no sh
!
----------------------------------------------
Outside
----------------------------------------------
interface Loopback1
 ip address 10.3.3.1 255.255.255.0
!
interface Loopback2
 ip address 10.4.4.1 255.255.255.0
!
interface FastEthernet0/0
 ip address 192.1.20.1 255.255.255.0
 no sh
!
---------------------------------------------
DMZ1
---------------------------------------------
interface Loopback1
 ip address 10.5.5.1 255.255.255.0
!
interface Loopback2
 ip address 10.6.6.1 255.255.255.0
!
interface FastEthernet0/0
 ip address 192.168.3.1 255.255.255.0
 no sh
!
---------------------------------------------
DMZ2
---------------------------------------------
interface Loopback1
 ip address 10.7.7.1 255.255.255.0
!
interface Loopback2
 ip address 10.8.8.1 255.255.255.0
!
interface FastEthernet0/0
 ip address 192.168.4.1 255.255.255.0
 no sh
!
----------------------------------------------
ASA
----------------------------------------------
interface GigabitEthernet0/0
 nameif Inside
 security-level 100
 ip address 10.11.11.10 255.255.255.0
 no sh
!
interface GigabitEthernet0/1
 nameif DMZ1
 security-level 50
 ip address 192.168.3.10 255.255.255.0
 no sh
!
interface GigabitEthernet0/2
 nameif Outside
 security-level 0
 ip address 192.1.20.10 255.255.255.0
 no sh
!
interface GigabitEthernet0/3
 nameif DMZ2
 security-level 50
 ip address 192.168.4.10 255.255.255.0
 no sh
!
--------------------------------------------------------
Verification Command:
--------------------------------------------------------
1. show run interface
2. show interface ip brief
3. show nameif  

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