It looks like it's the end of the road for my much beloved and hitherto un-problematic 3Com Superstack 3 Firewall. It's been a good little box, sat in the corner, not complained about anything, handled a shedload of VPN traffic, but...it's got to go. The reason? While the IETF and a load of other companies (including THAT one) went one way on handling IPSec NAT-Traversal, 3Com went another. Guess who won?
Anyway, I'm looking for a replacement. I could go Sonicwall - their 4060 looks a wonderful piece of kit for the purpose - and I'm considering Juniper's Netscreen range. I'm not antipathetic towards using a Cisco product, but here's the rub:
VPNs. Windows has a perfectly acceptable L2TP/IPSec VPN client; supports 3DES, SHA-1 or MD5, works with RADIUS authentication, all that. If you apply a registry hack, you can even get it back to the pre-SP2 state regarding NAT-Traversal. So I DON'T want to have to spend X grand on a firewall that only works with VPN software that costs another £100+ for every client that I enable. No, I'm not making this up; just have a look at the pricing for, say, SoftRemote. I want to use the functionality already built in to XP.
So, here's the rub; can anyone recommend a good firewall appliance that's up to handling a fair amount of usage from a moderately large company that'll support the XP VPN client natively?
The first person that says "go build a Linux box" gets shot, by the way - seriously, this isn't a home project where I've got time to do a load of mucking around, entertaining and interesting mucking around, but still mucking around .
Any OTHER ideas'd be greatly appreciated.