Categories
SecOps

How to define IP address inside multi-domain SSL certificate

Define IP address inside multi-domain SSL certificate.

Categories
SecOps

How to check if the certificate matches DNS name or IP address

Check if the certificate matches DNS name or IP address

Categories
SecOps

How to create a multi-domain SSL certificate without common name

Create a multi-domain SSL certificate without a common name.

Categories
SecOps

How to generate a base64-encoded secret

Use the OpenSSL utility to generate a base64-encoded secret.

Categories
SecOps

How to create site-to-site connection using IPsec

Use the native IPsec stack to connect multiple networks over the internet.

Categories
SecOps

How to trace packets as they pass through the firewall

Trace packets as they pass through the iptables firewall.

Categories
SecOps

How to determine SSL cipher suites supported by the web-server

Determine SSL cipher suites supported by the web-server using OpenSSL.

Categories
SecOps

How to log every executed command

Log every executed command to syslog.

Categories
SecOps

How to generate random password using command-line

I will show you how to generate a random password using the OpenSSL utility, standard command-line utilities, Password Generator (pwgen), and Automated Password Generator (APG).

Categories
SecOps

How to crack archive password faster

A week ago I wrote about a couple of interesting applications that can crack passwords, but they were not as fast as I thought. After investigating this topic further, I ended up using a community-enhanced version of John the Ripper.