Make cookie timeout configurable
diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index abca55f..b13a407 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -2201,6 +2201,7 @@
//#define SSL_MAX_CONTENT_LEN 16384 /**< Size of the input / output buffer */
//#define SSL_DEFAULT_TICKET_LIFETIME 86400 /**< Lifetime of session tickets (if enabled) */
//#define POLARSSL_PSK_MAX_LEN 32 /**< Max size of TLS pre-shared keys, in bytes (default 256 bits) */
+//#define POLARSSL_SSL_COOKIE_TIMEOUT 60 /**< Default expiration delay of DTLS cookies, in seconds if HAVE_TIME, or in number of cookies issued */
/**
* Complete list of ciphersuites to use, in order of preference.