Security – Page 3

Installing and using fcrackzip on Linux

fcrackzip is a program for recovering passwords from zip archives.

How to catch flood on Huawei MA5600

Once, on the port of one of the L3 switches of the Cisco 6509e, to which the Huawei MA5683T was connected, I saw that Multicast traffic increased very much, while the CPU load of the switch processor increased by 30%.

Installing and using chkrootkit on Linux

Chkrootkit (check rootkit) – a tool for finding rootkits (malicious applications) in the operating system.

apticron – email notification of updates

Installation on Ubuntu / Debian:

Installing and using john on Linux

John the Ripper is a program for recovering passwords from their hashes.

Installing and using WPScan on Linux

WPScan – a utility for testing WordPress, searching for vulnerabilities.

WordPress. Solution “cURL error 60: SSL certificate problem: unable to get local issuer certificate”

Once on one of the sites I noticed in WordPress the menu “Tools” – “Site Health” the following errors:

I connect sensors to UniPing v3

It was necessary to monitor once at one of the stations with servers when power supply disappears. At the station, the UPS was installed, and there was a generator in front of them, which turned on automatically when there was no power supply, so there were cases when the generator could not start, and the UPS was discharged and everything turned off.

Fiddler

Fiddler is a free web debugging proxy.

Email notification when users login to WordPress

Once on several sites, it was necessary to set up sending emails about each user logging into the site.