| 摘要 |
In one embodiment of the invention, an internal contact point includes a gateway interface, a collector, a registrar, and a distributor. The gateway interface interfaces internally to a firewall to a gateway device located at the firewall. The collector collects a message intended for an internal peer inside the firewall. The message is transmitted by an external peer outside the firewall. The registrar registers the internal peer for external communication across the firewall. The distributor distributes the message to the internal peer.
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