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Introduction The online rule set library provides rule sets for you to import into your implemented rule set system of Web Gateway. Problem Description You can do this to add a function that is missing in your system or when the implemented rule sets do not...

Introduction The following are documentation links for operating the Skyhigh Secure Web Gateway Links https://contentsecurity.skyhigh.cloud/home https://success.skyhighsecurity.com/Skyhigh_Secure_Web_Gateway_(On_Prem) https://success.skyhighsecurity.com...

F5 has released a F5OS Operations Guide, you can find it here: https://my.f5.com/manage/s/article/K000139994

Introduction If you work with F5 BIG-IP you maybe need to know for example when a cluster failover has happened or a user has done some changes. The following will describe some useful F5 log queries which you can use on the F5 logs or any central syslog ser...

Introduction You need to make a backup of an active disk to a image file, the following describes howto do this. Problem Description Maybe you have an SSD where S.M.A.R.T. is telling you that badblocks are starting to show up. So you need to replace the SSD...

Tools for checking SSL/TLS Below are my favorite tools to check SSL/TLS stuff Link Description https://badssl.com/ badssl.com is meant for manual testing of security UI in web clients.   If you want to see client certification authen...

Introduction In today’s dynamic network environments, keeping an accurate and up-to-date state of all the linux hosts is crucial.This document describes the setup and use of Ansible with the flexibility of Python and the scheduling power of cron jobs.We setup...

Introduction How to get the information about installed Disks on Linux System ? Solution You can use the following One-Liner: hdparm -I /dev/sd?|grep -E '\/dev\/|Model|Serial\ Number|Firmware'

Introduction If you have Cron Jobs running on a Linux System, how do you know if the Cron is still running? You need to have a "hellotest" Cron Job which is sending you an Email when a Node is rebooting and on every sunday you will get an Informational Messa...

Introduction Packages marked as "rc" (removed but with residual config files) on Ubuntu can be cleaned up by purging their configuration files. Problem Description It is recommended to verify the packages before purging if you want to be cautious, but gener...

<ServiceNow CHG Link> <Jira Link> Vorbereitung Firewall (1-2 Wochen vor Migration) 1 IPAM Reservationen Temporäre Fortigate IP's reservieren zh-TEMP-vl[VLAN ID].infra.migros.netaa-TEMP-vl[VLAN ID].infra...