If you found a router that's having botnet attacks on port 53 (DNS), you can use this script to mitigate the attack:
/ip firewall filter
add chain=input in-interface=pppoe-out1-ISP protocol=udp dst-port=53 action=drop
add chain=input in-interface=pppoe-out1-ISP protocol=tcp dst-port=53...
Here's how to compile ZNC push mod for Igloo IRC 💡
Tested on ZNC 1.8.2 and it worked 👍
[email protected]:~/.local/bin$ wget https://git.jordanko.ch/Igloo/Push/raw/master/Makefile
--2020-10-23 14:08:30-- https://git.jordanko.ch/Igloo/Push/raw/master/Makefile
You can do this via command line:
Login to the PC as the Azure AD user you want to be a local admin. This gets the GUID onto the PC.
Log out as that user and login as a local admin user.
Open a command prompt as Administrator and using the command line, add the user to the administrators group...
I found this method is the best way to prevent DDoS Attack from your users to attacked resources and drop DDoS directed to your clients.
First, we catch all new connections and send them to dedicated firewall chain:
/ip firewall filter
add chain=forward connection-state=new action=jump...
Thank you for bringing this exciting discussion.
When we tested, that problem appears on all MikroTik models, even with our CCR (Tile) routers.
So we created the rules above and apply them as our standard setup.
At this stage, we haven't gone RouterOS 6.47, as we're using the...
In this tutorial, we'll learn how to upgrade Ubuntu Linux 18.04 Bionic Beaver to Ubuntu 20.04 Focal Fossa, as well as what to expect during the upgrade process, etc.
It's a good idea that all packages are up-to-date before proceeding with the distro upgrade:
sudo apt update
sudo apt upgrade...
Pop!_OS uses kernelstub to manage the boot parameters and kernel images, instead of GRUB.
Follow the commands below to disable boot splash screen and show the boot verbose on:
sudo kernelstub --print-config
[email protected]:~$ sudo kernelstub --print-config
[sudo] password for andy:
Deleting user on RHEL 8 / CentOS 8 Linux system can be accomplished using the userdel command.
In this tutorial you will learn:
How to delete user on RHEL 8 / CentOS 8.
How to force user deletion.
How to delete the user as well as its home directory.
And here are the steps:
Take a note of...
This tutorial will guide you with the exact commands/steps you need to run on your server in order to disable IPv6 connectivity on your Ubuntu Server, all in under one minute!
Log into your Ubuntu server via console or SSH as root (Use the command sudo -s in terminal)
Follow these easy steps to disable automatic updates on Ubuntu 20.04 Focal Fossa 🥳
Privileged access to your Ubuntu System as root or via sudo command is required 🔓
# - requires given linux commands to be executed with root privileges either directly as a root user or by use of...
We can get a dock in Pop!_OS by installing a GNOME extension called Dash to Dock, you can adjust this preference, move the dock to the bottom of the screen, and more.
Follow the step-by-step guide down below to install a dock on your Pop!_OS:
To install Dash to Dock on Pop!_OS, visit the...
Having a properly configured SPF is essential, in this article we'll learn how to improve your email sending credibility even further by implementing DKIM & DMARC.
Assuming you already have SPF configured properly on your domain if you haven't, click here to learn more 💡
Without further ado...
I have compiled a computer assembly checklist that I use, feel free to use my template down below:
RAM and SSD/HDD installed and secured correctly
SSD/HDD SATA and power cable connected or M.2/NVME securely fitted
Power-On Self-Test confirmed
Correct CPU type for model detected in BIOS
Follow the tutorial down below to enhance your DirectAdmin Login Page with Let's Encrypt SSL certificate:
./letsencrypt.sh request_single your.server-hostname.com 4096
The script above will also install the new cert/key/ca files in all respective global places...
Here are the essentials commands you need to configure your Windows Server Core instance.
Follow this tutorial to carry on these tasks with command prompt:
Set a static IP address
At a command prompt, type:
netsh interface ipv4 show interfaces
Make a note of the number shown in the "Idx"...
Follow these steps to remedy your issue.
If your Touch ID doesn't work, are you currently charging your device? If so, try to unplug your iPhone/iPad from the charger.
If your Touch ID works after unplugging the charger, then the problem was caused by your charger (or your USB charging cable...
Follow this easy seven steps, and you'll get your MikroTik IPsec Site-to-Site Tunnel established 🤓
This is the updated version of my original easy guide on how to set up MikroTik Site-to-Site IPsec Tunnel.
Tested on RouterOS v6.45.9 and it's fully working & functional.
If you are working from...
Starting from RouterOS version v6.47 it is possible to use DNS over HTTPS (DoH). DoH uses the HTTPS protocol to send and receive DNS requests for better data integrity. Its main goal is to provide privacy by eliminating the man in the middle attacks (MITM). Currently, DoH is not compatible with...