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Go 1.23 默认为 crypto/tls 启用了实验性质的「后量子时代加密 Cipher」X25519Kyber768Draft00,导致通过 Go 1.23 内置的 TLS 实现发送的 TLS Client Hello 从典型的 252 bytes 激增到 1476 bytes。对于一些未正确配置的防火墙或 LB 来说,这会导致使用 Go 1.23 + Go 内置 TLS 实现的客户端 TLS 握手失败。

目前已知的相关 issue 有:AWS 基于 Suricata 的防火墙会默认丢弃过长的 TLS Client Hello 导致 Go 1.23 编写的应用无法访问 AWS API( https://github.com/hashicorp/terraform-provider-aws/issues/39311 );AdGuardHome 及其其使用的 DNS 转发库 adguard/dnsproxy 无法和 DNSPod 公共 DNS 的 DoH 和 DoT 完成 TLS 握手(https://github.com/AdguardTeam/AdGuardHome/issues/7357https://www.v2ex.com/t/1094021#reply0 )。

Go 1.23 更新日志: https://tip.golang.org/doc/go1.23

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Go 1.23 默认为 crypto/tls 启用了实验性质的「后量子时代加密 Cipher」X25519Kyber768Draft00,导致通过 Go 1.23 内置的 TLS 实现发送的 TLS Client Hello 从典型的 252 bytes 激增到 1476 bytes。对于一些未正确配置的防火墙或 LB 来说,这会导致使用 Go 1.23 + Go 内置 TLS 实现的客户端 TLS 握手失败。

目前已知的相关 issue 有:AWS 基于 Suricata 的防火墙会默认丢弃过长的 TLS Client Hello 导致 Go 1.23 编写的应用无法访问 AWS API( https://github.com/hashicorp/terraform-provider-aws/issues/39311 );AdGuardHome 及其其使用的 DNS 转发库 adguard/dnsproxy 无法和 DNSPod 公共 DNS 的 DoH 和 DoT 完成 TLS 握手(https://github.com/AdguardTeam/AdGuardHome/issues/7357https://www.v2ex.com/t/1094021#reply0 )。

Go 1.23 更新日志: https://tip.golang.org/doc/go1.23

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https://acg.mn/@sukka/113572701104608722
https://fxtwitter.com/isukkaw/status/1862888987595280883
https://bsky.app/profile/skk.moe/post/3lc6hhgg6zc2y

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