My previous post (Juniper SRX DB mode (Debug mode)) described a situation which is one of firewall cluster members got stuck into DB mode. Although it was fixed eventually by…

An Intrusion Detection and Prevention (IDP) policy lets you selectively enforce various attack detection and prevention techniques on the network traffic passing through your SRX Series. The SRX Series offer…

I have been dealing with Juniper SRX IDP error many times when NSM was been used. Mostly those errors are caused by corrupted signature DB or not enough storage space…

During our regular maintenance, after rebooted one SRX345, and found it stuck at db mode, which is debug mode. After a short and quick analysis, I found Juniper JunOS devices…

Issue Symptons: Normally, each firewall rule on the SRX auto-updates a snmp counter for hit-count, regardless of whether ‘count’ is configured or not.  Juniper Space Security Director periodically polls these…

Based on Juniper “Junos Space Virtual Appliance Installation and Configuration Guide” , JunOS Space “ must deploy the virtual appliance on a VMware ESX, VMWare ESXi or KVM server, which provides…

My old post “Import Existing Juniper SRX Cluster into JunOS Space Security Director” was created based on Space 14.1 and SRX11.x version. Now both have been upgraded. Space NMP and…

Juniper Networks has a Day one book for ‘JunOS Tips, Techniques, and Templates 2011’ in Junos Fundamentals Series. To record some my own tips, I put them together in this…

JunOS Space is in my environment and starting to replace NSM. I have played with in testing lab which recorded in my previous posts: Install JUNOS Space Virtual Appliance at…

Usually you can easily upgrade an application from the Junos Space user interface. You must download the image file for the new version of the application, navigate to the Applications…

Juniper KB mentioned some RMA steps for failed Juniper device replacement. There are some steps not clear enough. I put some more configuration steps in this post for future reference:…

One of Juniper Firewall SRX240H had a serious crash. Manual reboot/shutdown did not work. To reset it, I would have to do a hard reset / power cycle device. It…