I should write a short article for beginners to quickly configure an SRX firewall. When you login to a Junos device, you might also see the prompt % which is. All information provided in this guide is provided “as is,” with all faults, and without warranty of any kind, SRX Series Configuration Using Junos Automation. . Attach the redirecting firewall-filter to the physical interface attached to the User. The first configuration is often associated with default firewall behavior. Juniper Networks SRX Services Gateway, SRX Services Gateway, and SRX

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SRX firewall inspects each packets passing through the device.

Another area might be the ip address. I have to do the basic setup for the production environment with DMZ etc. Following will be our zone configuration. Once we commit the changes, we should see the new hostname srx in the prompt. To match source and destination IP address in the firewall rule we need to create an address book.

Commit is required to save and activate your changes. Thank you for the post. Make sure it is on the same subnet with the srx.

You can do usual source nat and set source-nat to interface then it should work. We want users from Internet to be able to access the Mail Server.


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Configure Firewall Rule in Juniper SRX

For simplicity we use interface based nat which means if an internal client has an IP address on We want to permit the traffic and log each sessions.

There may be two default zones trust and untrust coming with the factory-default config but we will delete them and configure our own zones. We need to create firewall rule for traffic coming from Untrust-Zone to Trust-Zone.

I dont seem to understand the nat process. SRX is a zone based firewall hence you have to assign each interface to a zone to be able to pass traffic through and into it.

I will suggest checking the default gateway on the switch and make sure it point to the router. You can type show command to view the configuration for Trust-Zone till now. Latest posts by Bipin see all. Here, we first start by deleting already existing policies to make sure no other policies erx. Similarly, you can create firewall rule to pass any traffic from Trust-Zone to Untrust-Zone.

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Bipin direwall writing articles and tutorials related to Network technologies. Our address book entry is also ready for security policy. Your answer is in this forum Nikhi. Anyway — thanks for the comment — would be nice to add this to the overview above. I was thinking if I should write a short article for beginners to quickly configure an SRX firewall.


Hi, Perfect documentation for starters with SRX. Loading default config and setting the root password Configuring interfaces and default route Configuring security fierwall Configuring address book entries Creating security policies Creating source nat for internal clients Loading default config and setting the root password I assume you are connected to the SRX device via console First a bit ffirewall information for the SRX novice. As SRX is running Junos, it has two modes.

Juniper Networks – SRX Getting Started – Configuration Examples & Troubleshooting (JumpStation)

You define from which zone you are coming and to which zone you are heading. You have a feedback? Now we have assigned interfaces to each zone. To better understand the address book concept on SRX, you can take a look at my other post about address books once you finish this post.

First a firewalll of information for the SRX novice.