MD5-CRYPT/CRAM-MD5 vs SHA512-CRYPT/PLAIN
Jan Wideł
jan.widel at networkers.pl
Sat Dec 6 14:57:53 UTC 2014
W dniu 2014-12-06 13:10, Reindl Harald napisał(a):
> Am 06.12.2014 um 06:56 schrieb Jan Wideł:
>> If you add disable_plaintext_auth=yes ssl=required settings, then
>> dovecot will drop authentication without STARTTLS. But damage will be
>> done, client will send unencrypted (or in this scenario MD5 or SHA512
>> hash) login/password
>
> no, damage will *not* be done
>
> STARTTLS happens in context of connect and *log before* any
> authentication is tried the handshake between client/server fails
Yes, of course you are right. I meant that client is misconfigured by
forced not to use TLS.
--
Jan Wideł
Senior System Administrator
e-mail: jan.widel at networkers.pl
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