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-rw-r--r--chaos-at-home/ch-imap-proxy.yml2
1 files changed, 2 insertions, 0 deletions
diff --git a/chaos-at-home/ch-imap-proxy.yml b/chaos-at-home/ch-imap-proxy.yml
index f3fad1df..967d7613 100644
--- a/chaos-at-home/ch-imap-proxy.yml
+++ b/chaos-at-home/ch-imap-proxy.yml
@@ -39,6 +39,8 @@
options = NO_SSLv3
options = NO_TLSv1
options = NO_TLSv1.1
+ options = CIPHER_SERVER_PREFERENCE
+ ciphers = ECDHE+CHACHA20:ECDHE+AESGCM:DHE+CHACHA20:DHE+AESGCM:ECDHE+AES256:DHE+AES256:ECDHE+AES128:DHE+AES128:!ADH:!AECDH:!MD5:!SHA
accept = 993
connect = 127.0.0.1:143
notify: restart stunnel4