daniel kivatinos

Best Network Security Tools

Jul
30

These are the networking security tools I have used:

  • nmap – A very powerful tool to check what ports are open on what machines and tells what machines are on your network.
  • wireshark – Packet sniffing tool that reads and tells were the internal network packet attack might be coming from.

Pretty Good Privacy (PGP)

Sep
22

Question. What is PGP?
Answer. PGP stands for Pretty Good Privacy. It is used to encrypt and decrypt data.

Question. What is GPG (or GnuPG)?
Answer. GPG stands for Gnu Privacy Guard (also called GnuPG). This is an open source substitute for PGP.

Phil Zimmerman, creator of Pretty Good Privacy (PGP) interview:

A great talk from Security Now! on PGP and crypto.

PGP software may be obtained via:
www.pgp.com.
www.gnupg.org This is open source software that is a full replacement for PGP. It is free but does not use a graphical interface – it is command line only. (used primarily on UNIX type systems)

This is generally how PGP using it with email, it can be used to transfer other types of files:

Help using GnuPG via command line

Using GnuPG with a GUI in Ubuntu

A great cheat sheet I found online about PGP and some of the most used commands

Moving PGP Keys

How to get HTTPS (SSL) into Your Website

Sep
22

You will need an SSL certificate, I recommend DigiCert.

Other people on Server Fault recommend a few other certificate authorities (CA).

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