Recent content by yojo

I got a sonicwall Pro300 for our network firewall security and a MS Exchange 2000 internally as our e-mail server, oddly, everything was working fine till recently, when user outside of the network trying to access their e-mail thru sonicwall, the sonicwall will almost lock down the internet...

it was working fine and I originally also think that was hardware failure cause I can't find any trace on it, we had a Pro 200 before and Sonicwall replaced it with a Pro 300, but the problem persist after the replacement. Therefore, this ruled out the hardware failure...

it'll bring down the sonicwall either way

Basically, I got all ports locked down and only allows pop/smtp access to the internet Xchg 2000, the Sonicwall is Por 300, NAT enabled, DHCP disabled (DHCP server is running from the Small Business Server 2000 which is the same box that runs my Xchg 2000 server), One-to-one NAT was created with...

it actully closed the internet connection totally, I'll have to reset the sonicwall to reopen the internet connection. The Xchg 2000 down't have the SSL enabled neither my sonicwall passing the SSL thru the virtual server either... I am kind of wondering maybe there is some hacker code is...

Thanks Marc, I'll try the Firewall forum

anyone who can help will be greatly appreciated.. I got a Sonicwall Pro 300 as our firewall and I have a Exchange 2000 server sit behind it. Everytime when a user accessed my exchange server (specially when they used OWA) the Sonicwall hungs (as of there is an attacked from within the network...