SRX Next-Gen Firewalls

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Ask questions and share experiences about the SRX Series, vSRX, and cSRX.

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If you have a question or a use case, likely there are others who are experiencing or worked through the same thing. Don't hesitate to jump in and ask or share your knowledge!

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Juniper Threat LabsSRX Upgrade Guide Security Advisories Technical Bulletins

Latest Discussion Posts

  • I'm in a situation where I'm not using the standard vlan interface. I'm only using the irb interface. I realize that the RVI will still function however the switching part is not functioning. I need ways to use the RVI so that ...

  • JUNOS Software Release [15.1X49-D211] JUNOS Software Release [15.1X49-D200.3] JUNOS Software Release [15.1X49-D170.4] JUNOS Software Release [15.1X49-D60.7] JUNOS Software Release [15.1X49-D120.3] JUNOS Software Release [15.1X49-D160.2] JUNOS Software ...

  • Out of curiosity, what is the 15 version you're using? (I've got nothing; it's been a few years since I've had a firewall on 15, and don't recall a performance dip.) ------------------------------ Nikolay Semov ------------------------------

  • Hi, I have several hundred SRX300, some of them in cluster mode, they all worked on 15 version. A few weeks ago, I started updating them to the recommended version - 21.4R3-S4 and after the update I noticed that performance decreased. Decreased in ...

  • Somewhat randomly, but this works for sessions that are stuck and cannot be seen on in the "ps -aux" from shell, or the "show system users no-resolve" output from the CLI. I had a situation whereby the SSH connection wasn't active, however the device ...

  • Hi, Does anyone happen to know what the Qemu options should be for the vSRX in GNS3 under Avanced-->Options? (Intel or AMD) For ex, something like below for vJunos-switch on Intel: vJunos-switch: qemu_options: -machine type=pc,accel=kvm ...

  • Hi all, My SRX300 is default configuration.. Would like to know whether SRX can be configured as blocking the access for all websites but allowing few websites? Thanks. ------------------------------ Tokumasa Sanada ------------------------- ...

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