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.

Categories
SecOps

How to print contents of virtual console terminal

Sometimes it a good idea to check or just store contents of the virtual console terminal (/dev/vcs[1-63] device).

Categories
SecOps SysOps

How to check established TCP connections

Display established TCP connections inside the terminal.