[#SSL_CTX_set_tlsext_max_fragment_length]
= SSL_CTX_set_tlsext_max_fragment_length
:mrdocs:

Set the maximum fragment length mode advertised by an SSL context (RFC 6066).

== Synopsis

Declared in `<openssl/tls1.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
SSL_CTX_set_tlsext_max_fragment_length(
    xref:SSL_CTX.adoc[SSL_CTX]* ctx,
    uint8_t mode);
----

== Return Value

1 on success, or 0 if `mode` is invalid.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| SSL context to configure.
| *mode*
| TLSEXT_max_fragment_length_* constant, or TLSEXT_max_fragment_length_DISABLED.
|===


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