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gnutls_dtls_set_data_mtu(3)         gnutls         gnutls_dtls_set_data_mtu(3)

NAME

gnutls_dtls_set_data_mtu - API function

SYNOPSIS

#include <gnutls/dtls.h> int gnutls_dtls_set_data_mtu(gnutls_session_t session, unsigned int mtu);

ARGUMENTS

gnutls_session_t session is a gnutls_session_t type. unsigned int mtu The maximum unencrypted transfer unit of the session

DESCRIPTION

This function will set the maximum size of the *unencrypted* records which will be sent over a DTLS session. It is equivalent to calculating the DTLS packet overhead with the current encryption parameters, and calling gnutls_dtls_set_mtu() with that value. In particular, this means that you may need to call this function again after any negotiation or renegotiation, in order to ensure that the MTU is still sufficient to account for the new protocol overhead. In most cases you only need to call gnutls_dtls_set_mtu() with the maximum MTU of your transport layer.

RETURNS

GNUTLS_E_SUCCESS (0) on success, or a negative error code.

SINCE

3.1

REPORTING BUGS

Report bugs to <bugs@gnutls.org>. Home page: https://www.gnutls.org

COPYRIGHT

Copyright (C) 2001- Free Software Foundation, Inc., and others. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.

SEE ALSO

The full documentation for gnutls is maintained as a Texinfo manual. If the /usr/local/share/doc/gnutls/ directory does not contain the HTML form visit https://www.gnutls.org/manual/ gnutls 3.7.7 gnutls_dtls_set_data_mtu(3)

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