Manip,
Sorry if I've sounded like a tool but...
No, his machine is on a NAT based network. That means you can have 500
We're talking about a laptop here, it could have happened anywhere.
machines on the inside but on the outside it only appears as one machine. So if you installed a Trojan or "remote control" software on one of those 500
See this just isn't true. If NAT prevented applications from making any connection in or out then few people would use it. If the trojan on Gabes computer opened a connection to an attacker's PC (most likely another compromised machine) NAT will know to send the traffic to and from Gabe's computer. Network Address Trasnlation is just that, it translates packets from internal to external addresses and ships them where they are going.
machines you couldn't connect with it. All the 'hacker' would be able to see is the external node. That is why it is hard to understand, you MUST have something to bridge the gap between the internal and external network, like
This isn't necessarily true. I don't know how you know anything about Valve's network, but firewalls would be the real thing to lack at in this case for the means of transport.
a exploit in some software that bridges that gap in normal operations, such as the e-mail server, web-server, software that is on the external node etc etc. I seriously doubt his machine wasn't going though the NAT interface and that is why it leaves questions.
Without knowing how Valve's network is setup or where if anywhere NAT occurs is something that is really none of our business, and thus we know little about it.
In general it is not really appropriate to discuss a company's security and network setups, especially after they have been hacked. Let's call it faux pas and subject to suspicion and scrutiny when asked.
-sb
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