Our company subscribes to DSL Access, with 14 static IP addresses. We have a router and a firewall, both fixed with a static IP each. The question that I want to ask is, why in the office when we try pinging to the external IP address of the firewall using command prompt, it fails, but when we go to telnet and ping, it responds. And at home, for some PCs, using command prompt to ping returns response, while some fail?
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