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Home :. Table of Contents :. Index :. Nikkei Network August 2005 Issue


Nikkei Network


August 2005 Issue

FEATURE 1

A Thorough Examination of SoftEther
Mysterious mechanism of Ethernet connection over a TCP/IP network

- There has been an increase in the number of services and software and hardware products that make it possible to exchange MAC frames over the Internet, such as SoftEther, TinyVAN, Emotion Link, and Broadband Ether. 
What are the differences between those and the existing VPN technology?  What advantages do they have? 
This article examines the meaning and mechanism of Ether over TCP/IP.


Introduction: Software for creating a LAN on the Internet is not limited to SoftEther

Part 1: LAN frames are encapsulated in TCP/IP packets and delivered by a virtual HUB

Part 2: A virtual LAN card is different from a real one, so how can it overcome its differences with a real LAN card?

Part 3: Various types of software and hardware are available, and in addition, some services provide virtual hubs

PRODUCT LABORATORY

Network Attached Storage (NAS)

- Hard-disk-type NAS with enhanced functions for household use

- Server-type NAS featuring reliability

INVESTIGATING NETWORKS

Measures for Eliminating Unsolicited Mail

- Controlling them by improving laws and using new technologies

- Some measures require changes in the mailer setting

FEATURE 2

Is the Attack against Kakaku.com’s Website an Isolated Case?
Is access to websites risky?

- A number of websites linked with applications have been attacked.  Such attacks cause problems such as personal information leakage and the spread of computer viruses.  Is it possible to ensure the security of websites? 
This article seeks to answer that question by examining the mechanism of the attacks against application-based websites and studying possible countermeasures.


Prologue: The more “thoughtful” websites are, the more attacks they are subject to

Lecture 1: Understanding the techniques of attacks against websites by learning from actual examples
- An analysis of four attack methods
- Complete prevention is possible by implementing security measures on websites

Lecture 2: Knowing the current status of websites
- Why does unauthorized access continue to occur?
- What measures can users who access websites take to protect themselves?
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