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Pap, Chap and Chap protocols


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#1 ONLINE   hazelnut

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Posted 23 July 2006 - 06:25 PM

These protocols are ticked in the advanced security settings of my internet connections. Should they be? I am xp on a single broadband computer.

pap, spap, chap ms-chap, and ms-chap2
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#2 OFFLINE   Humpty

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Posted 24 July 2006 - 02:52 AM

Hi Hazelnut,

First time I've seen those settings and don't know much about them.

Had a google around and found some info.

Authentication Protocols

PAP

Password Authentication Protocol - Sends user name and Password in clear text

SPAP

Shiva Pass Auth Protocol - Connects to Shiva LAN Rover Server for authentication >

then connects to Windows Domain

Encrypts Password but NOT data

CHAP

Challenge Handshake Authentication Protocol
Encrypt username and Password but not Data
Used for NON-MS clients connecting to MS Servers

MS-CHAP

Microsoft CHAP
One way Password encryption for Dialup Clients (NT 98 95)
Can encrypt user credentials and Data but server must be setup for encrypting or connection will be dropped

MS-CHAP2 Most Secure

Uses Mutual Authentication and stronger encryption for W2000 and XP dialups and VPN's

(W98 and NT can use but only with VPN's)

Note - Mutual Authentication means that both the client and the server authenticate to each other >

prevents hackers from pretending to be the RAS Server