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| -rw-r--r-- | CHANGELOG.adoc | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc index 15fc88e..bda80a0 100644 --- a/CHANGELOG.adoc +++ b/CHANGELOG.adoc @@ -1,4 +1,25 @@ -= Rescached v4.1.0 (2021-11-xx) += Rescached v4.1.0 (2021-12-03) + +== Breaking changes + +* all: remove using tcp scheme in config and documentation + + Using TCP for parent name server is discouraged, because most of server + disallow keeping the connection alive. + + The valid use case for TCP connection is when server received truncated + UDP answer. + + Using UDP as parent scheme, will automatically assume that the server + also capable of handling query in TCP. + This is required when client (for example, your browser) re-send the query + after receiving truncated UDP answer. + Any query received by rescached through TCP will forwarded to the parent + name server as TCP too, using the same address and port defined in one of + UDP parent. + + While at it, use Cloudflare DNS server as default in configuration + and as example in documentation. == New features |