diff options
| author | Philip Hazel <ph10@hermes.cam.ac.uk> | 2006-10-23 09:14:50 +0000 |
|---|---|---|
| committer | Philip Hazel <ph10@hermes.cam.ac.uk> | 2006-10-23 09:14:50 +0000 |
| commit | b6c27e28de0ec8a98335e6c5c07aa10a703948b0 (patch) | |
| tree | 14041aaa38ba69ef33ecdc6c08c2a55b5b3e5926 /src | |
| parent | 48da425923d2c912902cc946782e4ea8075a4386 (diff) | |
Note about GnuTLS incompatibility for updates from 4.50 and earlier.
Diffstat (limited to 'src')
| -rw-r--r-- | src/README.UPDATING | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/README.UPDATING b/src/README.UPDATING index 5d6bfda58..08dfaed03 100644 --- a/src/README.UPDATING +++ b/src/README.UPDATING @@ -1,4 +1,4 @@ -$Cambridge: exim/src/README.UPDATING,v 1.14 2006/09/26 14:51:02 ph10 Exp $ +$Cambridge: exim/src/README.UPDATING,v 1.15 2006/10/23 09:14:50 ph10 Exp $ This document contains detailed information about incompatibilities that might be encountered when upgrading from one release of Exim to another. The @@ -48,6 +48,20 @@ treated as the number zero. From release 4.64, such strings cause an error because a decimal number, possibly followed by K or M, is required (as has always been documented). +3. There has been a change to the GnuTLS support (ChangeLog/PH/20) to improve +Exim's performance. Unfortunately, this has the side effect of being slightly +non-upwards compatible for versions 4.50 and earlier. If you are upgrading from +one of these earlier versions and you use GnuTLS, you must remove the file +called gnutls-params in Exim's spool directory. If you don't do this, you will +see this error: + + TLS error on connection from ... (DH params import): Base64 decoding error. + +Removing the file causes Exim to recompute the relevant encryption parameters +and cache them in the new format that was introduced for release 4.51 (May +2005). If you are upgrading from release 4.51 or later, there should be no +problem. + Exim version 4.63 ----------------- |