DNSSEC: Sign a DNS Zone with Windows Server

DNSSEC (Domain Name System Security Extensions) is an extension of the DNS protocol that adds security to the DNS protocol by signing the records by a public / private key system. This extension allows the client to verify that the response received is valid and has not been changed by a man-in-the-middle attack. This extension …

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ADFS: Installation and Configuration

Form login

In this article, I propose to discover the AD FS and Proxy (WAP) roles. As part of the preparation for the 70-742 certification, I embarked on the mock-up of an infra. What’s this ? ADFS and the proxy that accompanies it can put several things in place: An SSO system (for compatible applications) that allows …

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Sophos XG: installation on Hyper-V

Login page

In this tutorial, we will have how to install a Sophos XG firewall on a virtual machine with Hyper-V. For this article, I used the Sophos XG home version which is available for free. Prerequisites Download the ISO firewall on the site sophos and recover the license key that will be sent by email. Create a …

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Sophos XG: secure emails

Portail user

Introduction In this tutorial, we will see how to secure emails with a Sophos XG firewall. The firewall offers two modes of operation for filtering emails: MTA : the firewall will act as an SMTP relay Legacy : it will be placed in transparent mode, which we will see in this tutorial. In both modes …

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