While blocking IP ranges work perfectly, blocking a website or domain is tricky. That’s because there can be a multiple IP attached to the domain, and while you can prevent them, the DNS resolver can ...
Ok, we have a PIX 515 in our office, seems to be running version 4.4(4). We have been getting a bunch of email from the sober worm that are coming from the same IP address. They all get blocked by our ...
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