From a7f1b8647562d3df8b1173c0140c145da9147a73 Mon Sep 17 00:00:00 2001 From: Oswald Buddenhagen Date: Mon, 16 May 2022 16:26:15 +0200 Subject: [PATCH] disable TLS 1.0 & 1.1 by default these were not reasonable defaults any more. --- NEWS | 3 ++- src/drv_imap.c | 2 +- src/mbsync.1 | 2 +- 3 files changed, 4 insertions(+), 3 deletions(-) diff --git a/NEWS b/NEWS index cbaee11..58383b8 100644 --- a/NEWS +++ b/NEWS @@ -12,7 +12,8 @@ they are flagged on the source side. Renamed the ReNew/--renew/-N options to Upgrade/--upgrade/-u and Delete/--delete/-d to Gone/--gone/-g. -Superseded SSLVersions option with TLSVersions. +Superseded SSLVersions option with TLSVersions, and disabled TLS v1.0 +and v1.1 by default. Made the Channel side to expire with MaxMessages configurable. diff --git a/src/drv_imap.c b/src/drv_imap.c index da988f6..4a9c669 100644 --- a/src/drv_imap.c +++ b/src/drv_imap.c @@ -3711,7 +3711,7 @@ imap_parse_store( conffile_t *cfg, store_conf_t **storep ) server->sconf.timeout = 20000; #ifdef HAVE_LIBSSL server->ssl_type = -1; - server->sconf.ssl_versions = TLSv1 | TLSv1_1 | TLSv1_2 | TLSv1_3; + server->sconf.ssl_versions = TLSv1_2 | TLSv1_3; server->sconf.system_certs = 1; #endif server->max_in_progress = INT_MAX; diff --git a/src/mbsync.1 b/src/mbsync.1 index 11bda41..518f110 100644 --- a/src/mbsync.1 +++ b/src/mbsync.1 @@ -419,7 +419,7 @@ Add/remove the specified TLS versions to/from the set of acceptable choices. Use old versions only when the server has problems with newer ones. Note that new versions are automatically enabled as soon as OpenSSL supports them, even if \fBmbsync\fR does not recognize them yet. -(Default: All starting with 1.0). +(Default: All starting with 1.2). . .TP \fBSystemCertificates\fR \fByes\fR|\fBno\fR