Do I really need two firewall waterfall?

Hello

I have a small ISP and I now have ISA2000 firewall, I'm supposed to put Cisco PIX firewall, someone tell me I should put two firewall, the Pix and the ISA in cascade mode (should I really do it?) is the Cisco firewall enough for me.

The second question: what Pix is enough for me (501, 506E or 515E)

I have about 500 users with dowonload 4 Mbps and 512 Kbps upload).

Thanks in advance

From the information provided here, I see no reason why you would need a PIX both the ISA firewall. The PIX should work fine by itself.

As for the models of PIX to use, would have erred on the side of done something a bit bigger you have to right now. The 506E is enough power for your current needs, but it's a 2 fixed chassis interface. If you think that you will ever need one other interface or more power, you probably better to go with a 515E with a restricted license (limited license for now, because it can always be improved later). The 515E with the limited license will allow you to add another interface for the PIX later if you need to create a DMZ network ' ed. The license of the HEART on the 515E provides more interfaces if necessary.

I hope this helps.

Scott

Tags: Cisco Security

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