I've just learned of another firewall scenario that prevents the library from showing.

First, I need to make clear that Poser 8's application server will NOT accept a connection from outside your computer. The listening socket is set up to only accept connections from applications communicating via the loopback interface - Layer 4 and up in the stack. Some sort of server exploit, such as buffer overrun tactics that have worked on servers in the past, will fail against Poser 8, because the message will not even get to Poser. The TCP layer is configured by Poser to not even bother Poser with a connect request that comes from outside.

So, even without enabling any sort firewall, it is impossible for a hacker to break into your computer via Poser 8's server. There is no point in setting up a firewall to disallow incoming external messages, because it already is blocked at the session layer. No such session can be established.

Now there is a report from a user that he cannot bring up the Library. This user is set up to go through an external firewall, running in some computer other than his. Because he has set up a proxy server to this external firewall, his browser always communicates through that external computer firewall.

Unfortunately, this user also has it configured to pass local loopback traffic out of his machine. Even though his external firewall is configured to allow the communication back to his machine, because it is passing outside first, it doesn't work. Poser sees the firewall server connecting to it, and the TCP layer rejects the connection, because Poser has told it that simply is not allowed. If this user were to properly configure his system, so that local traffic stays local, then there will be no problem.

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