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74124 2009 年 12 月 12 日 04:52 Reading (loading. ..) Comments (0) Category: JAVA
1,
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Hua will teach you to sleep to see - Qzone log, UDP also communicate through the server,
new balance shoes, your default gateway is made by an external network IP and port number with your IP and port number within the network map, the need to set the
2, user A first through the server knows the user B, outside the network address and port
3, user A to user B's external network address and port to send the message,
4, at this time sent,
new balance running shoes, the user B's gateway will reject this message, because it map not the rule.
5, but the user will increase A's the gateway to allow a rule to allow reception of the message sent to him from the B
6, the server requires the user B send a message to the user A of the external network IP and port number
7, the user sends a message B,
Hundred stars, then user A can receive B's message,
`` Contradictions find the answer `` `- Qzone log,
new balance sneakers, and the gateway B has also increased to allow the rules
8,
new balance mens, after the Gateway A and Gateway B have increased the allowable rule, so A and B may apply to the other side of the external network IP and port number to send a message
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