Rasberry Pi Time server with GPS.

A Rasberry PI 4 timeserver.

I have created a timeserver serving my home network the time via the NTP protocol. The goal is to create a accurate timeserver that does not need the internet. Because if you do use the internet why not use the internet provided ntp servers. There are quite a lot of setups where internet connectivity is intermittant or not allowed due to security reasons. I used a GPS receiver to receive time information(UTC) and via the PPS signal also a frequency standard. A Rasberry PI is a nice small computer that runs Linux and thus can run the ntp server.

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Security, CVE-2019-1653 an example how not to do it.

Introduction

Recently an security incident came in the news that shows how not to handle security incidents. First an small summary from my side of the issue based on the information from the people that discured the issue redteam-pentesting.de The Cisco RV320 Dual Gigabit WAN VPN Router has a web based gui. With this GUI there is in the CGI-bin directory an utility program to download debug messages from the Router.

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You're up and running!

Next you can update your site name, avatar and other options using the _config.yml file in the root of your repository (shown below).

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