Implement PMTU auto-reduction in handshake

2026-02-19 00:39:46 +00:00 · 2018-08-20 09:34:02 +02:00
parent 68ae351dbe
commit b8eec192f6
4 changed files with 49 additions and 3 deletions
--- a/3
+++ b/3
@@ -7,6 +7,9 @@ Features
     is controlled by the maximum fragment length as set locally or negotiated
     with the peer, as well as by a new per-connection MTU option, set using
     mbedtls_ssl_set_mtu().
+   * Add support for auto-adjustment of MTU to a safe value during the
+     handshake when flights do not get through (RFC 6347, section 4.1.1.1,
+     last paragraph).

 Bugfix
   * Fixes an issue with MBEDTLS_CHACHAPOLY_C which would not compile if