Security and the Small Office/Home Office network- Data Link Layer Security

Data Link Layer – Security

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Source:http://www.lolfun.com	PPP
		Chap/Pap authentication	Challenge Handshake/ Password Authentication Protocols
		Could be encrypted
		Usually relies on physical security
		PPP over Ethernet (PPoE)
		802.11 Wired Equivalent Privacy (WEP)
		Better than nothing
		To be replaced in 2003?
		Layer 2 Tunneling Protocol (L2TP, RFC2661) extends a point to point link over a layer 2 or 3 network. Relies on transport for security – it is NOT secure!