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Wireless LAN's are getting very popular these days. But one thing many people forget is good security. I don't find the WEP encryption in todays WLAN's secure enough, so I use ipsec VPN to secure my WLAN. To make things easier to set up, I use IPCop as a firewall and VPN terminator between the WLAN and the cabled network. |
Prerequisites:
- I have a WLAN with different machines running RedHat 7.2 (kernel 2.4.9-34), Fedora Core 1 (kernel 2.4.22-1.2115) Windows 98 and Windows 2000.
- I use an old Pentium 120MHz box, with 64Mb memory and 850Mb harddrive as firewall and VPN terminator. It has two 3C509 network cards. I first used the "3c5x9cfg.exe" utility to set the IRQ and I/O address of the two cards. Just using autoconfigure gave me one card at I/O 300h, IRQ 10, and the other one on I/O 210h and IRQ 5.
- Optimal, I want to use VPN from the WLAN machines to the rest of the network. Hopefully using FreeSWAN IPSec client on the Linux boxes, and Microsoft IPSec client on the others.
How I did it:
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