Hello everybody,
We have a number of devices Switches/Firewalls runnning at our Datacentre/Branches. Now audit team suggested us to upgrade OS of all the devices to 18.1 version. On juniper Website, we came across number of OS , but its much confusing as the latest one is'nt recommended. Please guide/suggest the least vulnerable version
Currently we have following devices/JunOS version
1. Firewall SRX1500 JunOS version 17.3R1.10
2. Firewall SRX320 JunOS version 15.1X-49-D45
3. Firewall SRX320 JunOS version 15.1X49-D70.3
4. Switch EX2300 JunOS version 15.1X53-D58.3
5. Switch QFX5100 JunOS version 14.1X53-D35.3
6. Switch EX2200 JunOS version 12.3R9.4