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 | | An M indicates that inclusion of the attribute in the message is mandatory, O means its optional, C means it's conditional based on some other aspect of the message, and N/A means that the attribute is not applicable to that message type. |
 | | Standards Track [Page 35] RFC 3489 STUN March 2003 The flood of duplicate packets is not needed (that is, only one faked request is sent), so long as the faked response beats the real response back to the client, and the client uses the first response, and ignores the second (even though it's different). |
 | | Standards Track [Page 38] RFC 3489 STUN March 2003 o Provide a means for a client to obtain an address on the public Internet from a non-symmetric NAT, for the express purpose of receiving incoming UDP traffic from another host, targeted to that address. |
| www.ietf.org /rfc/rfc3489.txt (14861 words) |
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