SRX Next-Gen Firewalls

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


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!

Need additional guidance?  Check out these Juniper Resources.

Juniper Threat LabsSRX Upgrade Guide Security Advisories Technical Bulletins

Latest Discussion Posts

  • Has anyone seen hits for the SMB:LNX-KRNL-SESN-STP-DOS signature from Attack database version:3637(Thu Sep 28 13:59:35 2023 UTC)? ------------------------------ Michael ------------------------------

  • We have a situation where client would like to have VPN Connection from the office network ( for testing ) using the same SRX box configured for external VPN (from outside network like home/ cellular). Regular VPN is working fine when connected using ...

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    RE: DHCP Snooping

    Many thanks as always Steve.

  • I had a similar issue recently - same symptoms - same sort of pppoe fibre broadband setup with an SRX. I had to adjust the MTU and MSS to allow for the PPP header. You can use ping to determine what your max packet size is before fragmentation occurs ...

  • Thank you.

  • This message was posted by a user wishing to remain anonymous I would add log statement to the permit block to help w/ troubleshooting.

  • The article notes the ip address configurations that play into address selection. When interfaces are added or new ip addresses or configuration selections as primary noted, the default address chosen may change as a result. ------------------------------ ...

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