Explore essential network concepts, monitoring, configurations, and troubleshooting tips to ensure secure and reliable connectivity for your systems and devices
In this article, we shall discuss the fix for “Error – Command rejected: An interface whose trunk encapsulation is “Auto” can not be configured to “trunk” mode”. The error message is prompted when you attempt to configure an interface to trunk mode. While its encapsulation is set to “Auto.” This happens when the switch cannot…
Conventional network security often focuses more on routers and blocking traffic from the outside. Switches are internal to the organization and designed to allow ease of connectivity, therefore only limited or no security measures are applied. Please see how to Fix “Error 1064: An exception occurred in the service when handling the control request“, and…
Follow the guide on how to Reset a Cisco 3650 Catalyst Switch. This is useful when you want to remove an undesirable configuration that is present in the switch. If you have configured a switch and the configuration has become very complex or if you want to move a switch from one network to another….
Outlook will show the nicknames and automatic completion cache as a pull down list which are the recent addresses resolved and sent. You may enter the wrong address for a recipient or the recipient changes their address. You can refer to the following steps to remove an address from this list or clear the entire…
Read More “How to disable Outlook and Yahoo Auto-Complete” »
A blacklist is a list of IP addresses or domains that are known sources of spam. Often referred to as DNSBLs (Domain Name System Blacklists). The technology is built on top of DNS. Most MTAs can be configured to reject or flag messages that have been sent from a blacklisted IP. In this article, you…
My use case was Nagios notification not delivering into our user’s inbox but rather into the Junk folder because of not having the right domain name. In other to prevent this false positive from moving emails from a specific Email ID to the JUNK folder in Outlook. Kindly refer to this related guide: How to…
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This short piece will discuss how to reset a Snom Phone. Having had various scenarios where an existing configuration of the phone system cannot be overwritten or reconfigured. I found a simple solution to restore to factory settings and could reconfigure the telephone system and assign the right IP Address etc. to the phone. How…
Jitsi is a Secure and Simple Video Conferencing and Instant Messaging application that can be run on Windows, Linux, Mac etc. This is a standalone application that supports instant messaging and telephony protocols (OTR and SIP etc.). In this article, you will learn how to set up and configure Jitsi as SoftPhone. Here are some…
This article will discuss the steps on How to grant Access to User Mailbox. Since we will be utilizing the Exchange Admin Center (EMC) for this, lets discuss what it is. EAC is the web-based management console in Exchange Server that’s optimized for on-premises, online, and hybrid Exchange deployments. Please see How to add or…
In this guide, we shall discuss “how to configure WatchGuard WebCenter”. When you configure WatchGuard WebCenter, you unlock a dynamic, interactive, real-time web UI application. With just a click, seamlessly navigate pages, access detailed log messages, reports, and certificate management. Here are other exciting guides on Microsoft apps to read about: How to Use a Whiteboard…
In this article, we shall discuss the steps on how to set up WatchGuard Log Server. To effectively manage your network security, it’s crucial to set up a WatchGuard Log Server. This key component of WatchGuard Server Center acts as a local database, efficiently collecting log message data from every connected Firebox. Nonetheless, Gain real-time…
The WatchGuard Log and Report Server’s network security core seamlessly integrates with the WatchGuard Server Center. Moreover, This powerful tool serves as a local database, efficiently gathering log message data from all connected Firebox devices. Please see How to install PostgreSQL on Ubuntu, How to access MySQL Server from command Prompt, and How to delete…
Read More “WatchGuard Log and Report Server Installation in a VM” »
Learn how to effectively monitor Windows hosts using Nagios Core is an open-source monitoring system designed to monitor systems, networks, and infrastructure (Get metrics for CPU, Disk, Memory, and Services with ease). It provides alerts and notifications about issues and performance problems, allowing system administrators to respond accordingly. Please see how to Block downloads on…
