RE: Wireless Lans give EVERYONE ACCESS

["Jon Erickson CCG" <Jon.Erickson () caspiangroup com>]

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> -----Original Message-----
> From: Jonas Thambert [mailto:JonasT () guld spray se]
> Sent: Thursday, August 09, 2001 1:14 AM
> To: 'Conal Darcy'; Russell Handorf
> Cc: VULN-DEV () securityfocus com; bugtraq () securityfocus com
> Subject: RE: Wireless Lans give EVERYONE ACCESS
>
>
> WLAN is best used on a separate VLAN/NIC of the firewall in 
> combination 
> with VPN into the rest of the internal networks.
>
> The VPN authentication is best handled my RSA, safeword or biometric
> systems.
>
> Even then its not safe since it only takes 15 min to decrypt the
> 40-bits key. Maybe WEP2 128-bits key will solve that :-)

40-bit WEP, 128-bit WEP.. it really doesn't matter that much, since they
both still only use 24-bit IVs to set up the RC4..  =(

It's really just the illusion of greater cryptographic security with
128-bit WEP...

- --
Jon Erickson         Cryptologist and Security Designer          Caspian
415.974.7081  D49B 4561 1078 0A72 DDF3 7250 8EF4 4681 587E 41DD  1728748

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