IPSec’s protocol objective is to provide security services for IP packets such as encrypting sensitive data, authentication, protection against replay and data confidentiality. As outlined in our IPSec protocol article, Encapsulating Security Payload (ESP) and Authentication Header (AH) is the two IPSec security protocols used to provide these security services. Analyzing the ESP and AH protocols Read More
Month: September 2020
How to Fix Popup “dcu.centennial://toasthandler/”
That error is associated with Dell Update Assistant, if you are using a Dell, uninstall that to see if that error is gone after a restart. Then, if you wish to continue using that download the latest version from the support page for your system on the Dell website.
Understanding Spanning Tree Protocols – STP, RSTP, MSTP
In brief, the differences between Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), and Multiple Spanning Tree Protocol (MSTP) are as follows: STP: only supports a single instance. RSTP: supports fast convergence and a single instance. MSTP: includes the advantages of RSTP, and supports multiple instances. STP is the short form for Spanning Tree Read More