Fiddler is a free web debugging proxy.Continue reading “Fiddler”
Once on several sites, it was necessary to set up sending emails about each user logging into the site.Continue reading “Email notification when users login to WordPress”
I will give an example of installing ClamAV antivirus for cPanel and running a virus scan.Continue reading “Installing ClamAV for cPanel”
I will give an example of a script for scanning and email notifications when infected files are detected.Continue reading “ClamAV script for automatic scanning and email notifications”
FastNetMon – DDoS attacks detector, allows you to detect attacks and block them, for example using the BGP Flow spec, displays information in the form of graphs.Continue reading “Installing FastNetMon”
Usually, simple SIM cards of the Kyivstar mobile operator, bought in some kind of stall or store, can be replaced independently with a new SIM card, for example, you can buy another SIM card there and call the operator, say that the old card is lost, report the last few dialed and accepted numbers, then the operator will block the old SIM card and activate a new one but with the same number that was on the old one.Continue reading ““Lock the self-replacement of SIM” at Kyivstar”
Once I had to remove from the blacklists IP addresses of different dedicated servers located in data centers, since some mail services did not receive emails from them, due to the fact that the previous tenant did not use the IP address honestly or had viruses, spammed, and the current one got locks.Continue reading “How to remove an IP address from email blacklists”
I will give an example of creating a bootable flash drive with Kali Linux.
Kali Linux is a security testing tool.
dhcdrop is a utility for suppressing unnecessary DHCP servers and stress testing.Continue reading “Suppression of DHCP servers (dhcdrop)”
I will give an example of setting up two-factor authentication in Nextcloud using Google Authenticator.Continue reading “Nextcloud two-factor authentication”