Juniper SRX Basic Configuration.

This documents will describe about the basic configuration settings of Juniper SRX Firewall.

Following are the topics discussing over here. .

1. Initialising SRX Firewall

2. Login to firewall using console or GUI.

3. Configuring basic settings.

4. Configure interfaces.

5. Configure Zones and zone properties .

6. Configure firewall policies.

1. Initialising SRX Firewall and Login to the firewall

1. Unpack and power on the device. 
2. Plug one end of the CAT-5e (Ethernet cable) supplied with your firewall into the RJ-45 to DB-9 serial port adapter supplied with your firewall
3. Plug the RJ-45 to DB-9 serial port adapter into the serial port on the PC
4. Connect the other end of the Ethernet cable to the console port on the services gateway.
5. Open Hyper terminal and select COM1 with following settings

       Port Settings Value

       Bits per second 9600

       Data bits         8

       Parity None

       Stop bits         1

       Flow control None

       6. Log in as the user root. No password is required at initial connection, but you must assign a              root password before committing any configuration settings.

2. Configuring basic settings

Start the cli

root# cli

root@>

Enter configuration mode:

root@>configure

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root@#

Set root password

root@# set system root-authentication plain-text-password

New password: password

Retype new password: password

Set admin password

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root@# set system login user admin class super-user authentication plain-text-password

Set System host name

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root# set system hostname

Set DNS Servers

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root# set system name-server 8.8.8.8

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root# set system name-server 8.8.4.4

Commit the configuration and login with admin user. 

[edit]

root@# commit

3. Configure interfaces.

We will use the following scenario to configure interfaces and zones.

Assign IP address for untrust interface

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root#set interface ge-0/0/0 unit 0 family inet address 192.168.1.1/24

Assign IP address for trust interface

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root#set interface ge-0/0/1 unit 0 family inet address 10.10.10.1/24

Configure default route

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admin@# set routing-options static route 0.0.0.0/0 next-hop gateway

4.Configure Zones

Create untrust zone and assign interface 

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root# set security zones security-zone untrust interfaces ge-0/0/0.0

Create trust zone and assign interface

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root# set security zones security-zone trust interfaces ge-0/0/1.0

Enable ssh and https for firewall management on trust interface

[edit]

root# set system services ssh

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root# set security zones security-zone trust host-inbound-traffic system-services ssh

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root# set security zones security-zone trust host-inbound-traffic system-services http

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root# set system services web-management https system-generated-certificate

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root# set security zones security-zone trust host-inbound-traffic system-services https

5.Configure Firewall policy 

Create a firewall policy to enable all the traffic from trust zone to internet. 

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admin@# set security policies from-zone trust to-zone untrust policy policy-name match source-address any 
destination-address any application any

admin@# set security policies from-zone trust to-zone untrust policy policy-name then permit

Commit the configuration to active on gateway. 

[edit]

admin@# commit

commit complete