Linksys BEFSX41 manual String to Protect Negotiate Security Key exchange pre, Shared key, as shown

		Instant Broadband® Series	EtherFast® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint
3. From	the	Security	5. Change the authentica-
Methods	tab,	shown in	tion method to Use this
Figure C-12, verify that			string to	protect	the
the Negotiate		security	key exchange (pre-
option is enabled, and			shared key), as shown
deselect	the	Accept	in Figure C-14, and
unsecured communica-			enter the preshared key
tion,	but	always	string,	such	as
respond	using IPSec		XYZ12345. Click		the
check	box.	Select	OK button.
Session	key	Perfect
Forward	Secrecy, and

click the OK button.

Figure C-12	Figure C-14
6.	This new Preshared
4. Select the Authentication	key will be displayed in
Methods tab, shown in	Figure C-15. Click the
Figure C-13, and click the	OK or Close button to
Edit button.	continue.

Figure C-13 Figure C-15

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