March 2018 - Page 4 of 4

Posted March 5, 2018April 17, 2021Leave a commentPosted in JuniperJuniper

Juniper SRX – IDP Rule – Block SSH Brute Force

The following IDP rule will block SSH brute force attacks. It will be triggered by more than 3 consecutive SSH connections in a row. After the rule has been triggered, the source IP will be banned for a period of 1 hour and the connection to both the client and […]

Posted March 5, 2018April 17, 2021Leave a commentPosted in ServerServer

Linux SSD Configuration

The following settings should be used on Linux devices with a SSD. The instructions are Debian specific and taken from the SSDOptimization page on the Debian wiki. Automatic Trim/Mount Options Make sure the file system(s) are mounted with these options: discard,noatime,defaults As an example: Scheduler Set the scheduler for the […]

Posted March 5, 2018April 16, 2021Leave a commentPosted in DellDell

Dell Switch RADIUS Authentication

These steps will get RADIUS authentication working for a Dell switch. After this is configured, you will be able to login to the switch (SSH/HTTP(S)/telnet etc.) using credentials that are validated by your RADIUS server. Switch Configuration These configuration settings are all set on the switch. Generic These steps should […]