diff options
| author | Jeremy Harris <jgh146exb@wizmail.org> | 2022-12-10 10:47:05 +0000 |
|---|---|---|
| committer | Jeremy Harris <jgh146exb@wizmail.org> | 2022-12-10 15:53:02 +0000 |
| commit | 4243a209fd9499f30bebd58ceaa2d0d9845407ae (patch) | |
| tree | b41720cfb1bb6ed0089d6096835587df8d0f5bdd /doc/doc-txt | |
| parent | f31b1cd64dfcc7e6a8860ee418543949effd517e (diff) | |
Move connect ACL before TLS-on-connect
Diffstat (limited to 'doc/doc-txt')
| -rw-r--r-- | doc/doc-txt/ChangeLog | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog index 5ac91dc99..f8ab5da0c 100644 --- a/doc/doc-txt/ChangeLog +++ b/doc/doc-txt/ChangeLog @@ -66,6 +66,15 @@ JH/15 Fix argument parsing for ${run } expansion. Previously, when an argument included a close-brace character (eg. it itself used an expansion) an error occurred. +JH/16 Move running the smtp connect ACL to before, for TLS-on-connect ports, + starting TLS. Previously it was after, meaning that attackers on such + ports had to be screened using the host_reject_connection main config + option. The new sequence aligns better with the STARTTLS behaviour, and + permits defences against crypto-processing load attacks, even though it + is strictly an incompatible change. + Also, avoid sending any SMTP fail response for either the connect ACL + or host_reject_connection, for TLS-on-connect ports. + Exim version 4.96 ----------------- |