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synproxy support #190

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joewilliams opened this issue Sep 21, 2022 · 3 comments
Closed

synproxy support #190

joewilliams opened this issue Sep 21, 2022 · 3 comments

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@joewilliams
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Based on what I can tell this library doesn't support synproxy as a part of a rule. For example:

tcp dport 8888 ct state invalid,untracked synproxy mss 1460 wscale 7 timestamp sack-perm

Is that correct? If so, I would be happy to work on a PR for support if folks are interested. Thanks!
@stapelberg
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Can’t find the word “synproxy” mentioned in the code base, so yes, sounds like it’s not supported.

Feel free to send a PR!

@joewilliams
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👍

@joewilliams
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Synproxy/syncookie support in nftables exists but is no longer needed due to lockless listener changes for TCP https://lwn.net/Articles/659199/

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@joewilliams @stapelberg