Ports and Protocols

As you know from taking my classes, computers prefer numbers and humans prefer letters or words.  Port numbers are numerical placeholders for protocol names.  The best way to learn them is through daily professional use, or memorization.  Flash cards can be helpful if you are preparing for an exam that is heavy in ports and protocols, such as the CompTIA A+ or Network+.

Here is another study aid provided by Rich Muldoon.  Click on the image to enlarge to full size ...

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19
OCT
0

certification, CISSP, Domain 4, education, training

CISSP and Security+ Cybersecurity Classes at RCTC Starting Soon

CISSP Certified Information Systems Security Exam Prep – NEW!

Accelerate your cybersecurity career with the world’s premier cybersecurity certification – the Certified Information Systems Security Professional (CISSP). The CISSP certification was created to ensure professionals in computer security have standardized knowledge of the field. Earning the CISSP proves you have what it takes to effectively design, implement and manage ...

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21
JUL
0

careers, certification, CISSP, education, training

Mnemonics and Tricks for Well-Known Port Numbers

This is a gift from LycanWolfe on reddit/r/CompTIA. Used with permission.

I struggled memorizing these and hope these tricks I used to get them to actually stay in my brain rather than memory dump after tests help you as well :). Try making your own mnemonics as I feel the process of making ways to remember helps it stick much faster and you’ll always remember the funny way you linked things up.

File Transfer Protocol – FTP: 20-21. ...

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12
JUL
0

certification, CISSP, education, training

Encryption can be a mind bender – Part 2

By Bob Weiss

If you missed Part 1 of this article, it can be found at last week’s post on May 5

Hybrid Cryptography

When we use two or more cryptographic methods together, it is called Hybrid Cryptography.  Common forms of Hybrid Cryptography included the creation and sharing of Symmetric session keys, through using Asymmetric Encryption.

Not all key exchange methods require using the PKI.  Diffey-Helman, Oakley and other non-PKI key ...

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11
MAY
0

CISSP, Domain 3, encryption

Encryption can be a mind bender – Part 1

By Bob Weiss

May the Force be with you!  It’s May the fourth, Star Wars Day.

I received an email from a CASP+ Student asking for some help with encryption.  This is what I sent.

Encryption can be a mind bender.  And then like magic, it is not.

If you are up for some outside reading (what! More reading?  Sorry) there are a couple of books that helped me

The Code Book, by Simon Singh

Crypto ...

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4
MAY
1

CISSP, Domain 3, encryption

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