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Can nat traversal use tcp to punch holes? #422

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maoyuanpeng opened this issue Nov 7, 2022 · 1 comment
Open

Can nat traversal use tcp to punch holes? #422

maoyuanpeng opened this issue Nov 7, 2022 · 1 comment
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enhancement New feature requests or performance improvement. wontfix A potentially valid point has been made, but a decision has made not to address this issue.

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@maoyuanpeng
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After my tests, I found that it seems that only udp can be used to punch holes. If tcponly is set, the network traffic will be transferred through the host with the public IP.
I kown udp holes punching is better than tcp. But in my area, udp will be restricted and qos.
@gsliepen
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gsliepen commented Nov 8, 2022

Unfortunately, only UDP hole punching is supported. TCP hole punching is working differently is much harder to do, and while perhaps not impossible, this is not something that I plan to support.

@gsliepen gsliepen added enhancement New feature requests or performance improvement. wontfix A potentially valid point has been made, but a decision has made not to address this issue. labels Nov 8, 2022
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enhancement New feature requests or performance improvement. wontfix A potentially valid point has been made, but a decision has made not to address this issue.
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