Require ALPN on gateway connections #1297
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In Linkerd stable-2.10.0, the proxy started using a specialized protocol header for multicluster gateway connections (`transport.l5d.io`). Now that stable-2.11.0 has been released, we can drop support for gateway connections that do not use this protocol.
olix0r
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mateiidavid
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Oct 1, 2021
olix0r
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Oct 7, 2021
This release updates the `h2` crate to support HTTP/2 messages with large header values. Legacy support for TLSv1.2 has been removed. Now the proxy only uses TLSv1.3 for mTLS communication. Also, gateway proxies now only support clients that use the `transport.l5d.io` protocol, negotiated via ALPN. With these changes, older clients (before ~v2.133.0) are no longer supported by new servers. --- * build(deps): bump libc from 0.2.102 to 0.2.103 (linkerd/linkerd2-proxy#1290) * build(deps): bump trust-dns-resolver (linkerd/linkerd2-proxy#1291) * build(deps): bump h2 from 0.3.4 to 0.3.6 (linkerd/linkerd2-proxy#1293) * admin: Remove unused types (linkerd/linkerd2-proxy#1294) * Remove use of TLS 1.2 (linkerd/linkerd2-proxy#1296) * gateway: Require ALPN on gateway connections (linkerd/linkerd2-proxy#1297) * Always enable identity in integration tests (linkerd/linkerd2-proxy#1298) * tracing: use `Option`s as `tracing` values (linkerd/linkerd2-proxy#1299) * build(deps): bump tracing-subscriber from 0.2.24 to 0.2.25 (linkerd/linkerd2-proxy#1300)
Pothulapati
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Oct 7, 2021
This release updates the `h2` crate to support HTTP/2 messages with large header values. Legacy support for TLSv1.2 has been removed. Now the proxy only uses TLSv1.3 for mTLS communication. Also, gateway proxies now only support clients that use the `transport.l5d.io` protocol, negotiated via ALPN. With these changes, older clients (before ~v2.133.0) are no longer supported by new servers. --- * build(deps): bump libc from 0.2.102 to 0.2.103 (linkerd/linkerd2-proxy#1290) * build(deps): bump trust-dns-resolver (linkerd/linkerd2-proxy#1291) * build(deps): bump h2 from 0.3.4 to 0.3.6 (linkerd/linkerd2-proxy#1293) * admin: Remove unused types (linkerd/linkerd2-proxy#1294) * Remove use of TLS 1.2 (linkerd/linkerd2-proxy#1296) * gateway: Require ALPN on gateway connections (linkerd/linkerd2-proxy#1297) * Always enable identity in integration tests (linkerd/linkerd2-proxy#1298) * tracing: use `Option`s as `tracing` values (linkerd/linkerd2-proxy#1299) * build(deps): bump tracing-subscriber from 0.2.24 to 0.2.25 (linkerd/linkerd2-proxy#1300)
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In Linkerd stable-2.10.0, the proxy started using a specialized protocol
header for multicluster gateway connections (
transport.l5d.io). Nowthat stable-2.11.0 has been released, we can drop support for gateway
connections that do not use this protocol.