Network Advanced

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Mechanism of outgoing e-mail address impersonation [Mailsploit] ~ Basic e-mail anti-spoof technology SMTP AUTH, DKIM, SPF / SenderID overview (merit · demerit) Commentary and relation with this attack-

What is Mailsploit? Mailsploit is an att...

2017.12.18 2021.03.13

Illustrate: WPA2’s vulnerability [KRACK] and Sequence of 4 way handshake

Logic that can be decrypted with KRACK I...

2017.10.21 2020.08.30

Man in the Middle attack (Channel-based MitM) in Wireless LAN

Man in the Middle attack of Wi-Fi The vu...

2017.10.20 2020.08.31

Illustrate: Differences between [Specter] & [Meltdown] (Memory Protection & KPTI mechanism)

Introduction In this article "process" a...

2018.02.02 2018.11.28

Illustrate : CPU vulnerabilities [Spectre], [Meltdown] and Speculative Execution (Branch Prediction, Out of Order Execution)

Overview and scope of influence of Spect...

2018.01.16 2021.01.05

Configuration of MPLS-VPN (Super Backbone and Sham-Link)

I will introduce of the example of confi...

2017.04.28 2020.08.25

MPLS-VPN (MP-BGP) Details

MP-BGP Route information in can be trans...

2017.04.26 2021.01.05

MPLS-VPN Overview

The router of the description in the bas...

2017.04.26 2017.04.28

MPLS basic#5 TTL Propagation

The TTL Propagation, when transferring M...

2017.04.26 2020.08.31

MPLS basic#4 PHP (Penultimate Hop Popping)

PHP The PHP and stands for Penultimate H...

2017.04.26 2020.08.30

MPLS basic#3 FIB table / LFIB table

FIB table In border router between MPLS ...

2017.04.26 2020.08.31

MPLS basic#2 label exchange and LIB table

In front of the label exchange, by each ...

2017.04.26 2021.01.05

MPLS basic#1 LDP Behavior

MPLS network needs to exchange not only ...

2017.04.26 2021.01.05

About MPLS

MPLS (Multi-Protocol Label Switching) is...

2017.04.26 2017.04.27

What is Ethernet OAM?

What is OAM? OAM stands for Operations, ...

Right condition for exchange the router by OSPF

Right condition for exchange the router ...

Features of multi-access topology

In multi-access topologies such as broad...

2017.11.19 2020.08.31

Condition of OSPF neighbor establishment (2WAY)

What is 2WAY OSPF routers in the same se...

2017.11.19 2021.01.05