DOC: add missing documentation for "no-alpn" on bind lines
This is the doc for the no-alpn keyword that was mistakenly left out of
commit 158c18e85 ("MINOR: config: add "no-alpn" support for bind lines").
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 5ea498d..d1313b1 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -14618,6 +14618,8 @@
QUIC supports only h3 and hq-interop as ALPN. h3 is for HTTP/3 and hq-interop
is used for http/0.9 and QUIC interop runner (see https://interop.seemann.io).
+ Each "alpn" statement will replace a previous one. In order to remove them,
+ use "no-alpn".
backlog <backlog>
Sets the socket's backlog to this value. If unspecified or 0, the frontend's
@@ -15007,6 +15009,12 @@
it may make sense to use a positive value for an SMTP socket and a negative
one for an RDP socket.
+no-alpn
+ Disables ALPN processing (technically speaking this sets the ALPN string to
+ an empty string that will not be advertised). It permits to cancel a previous
+ occurrence of an "alpn" setting and to disable application protocol
+ negotiation. See also "alpn".
+
no-ca-names
This setting is only available when support for OpenSSL was built in. It
prevents from send CA names in server hello message when ca-file is used.