diff options
| author | Philip Hazel <ph10@hermes.cam.ac.uk> | 2006-04-19 10:58:21 +0000 |
|---|---|---|
| committer | Philip Hazel <ph10@hermes.cam.ac.uk> | 2006-04-19 10:58:21 +0000 |
| commit | afb3eaaf294ae786644e05e7943b9a71f9bc6c3a (patch) | |
| tree | 4b852abeae0423432b5ebf4b33ffca9708ada757 /doc | |
| parent | 7e9fc5675c45b57ff71cd736d8489176f9463ea3 (diff) | |
Kludge for tcp-wrappers problem during system catastrophes.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/doc-txt/ChangeLog | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog index d69e9eafb..56d0822fd 100644 --- a/doc/doc-txt/ChangeLog +++ b/doc/doc-txt/ChangeLog @@ -1,4 +1,4 @@ -$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.340 2006/04/18 11:13:19 ph10 Exp $ +$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.341 2006/04/19 10:58:21 ph10 Exp $ Change log file for Exim from version 4.21 ------------------------------------------- @@ -12,6 +12,16 @@ TF/01 Fix the add_header change below (4.61 PH/55) which had a bug that (amongst PH/01 ${readsocket now supports Internet domain sockets (modified John Jetmore patch). +PH/02 When tcp-wrappers is called from Exim, it returns only "deny" or "allow". + "Deny" causes Exim to reject the incoming connection with a 554 error. + Unfortunately, if there is a major crisis, such as a disk failure, + tcp-wrappers gives "deny", whereas what one would like would be some + kind of temporary error. A kludge has been added to help with this. + Before calling hosts_ctl(), errno is set zero. If the result is "deny", a + 554 error is used if errno is still zero or contains ENOENT (which occurs + if either of the /etc/hosts.{allow,deny} files is missing). Otherwise, a + 451 error is used. + Exim version 4.61 ----------------- |