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and subject line Bug#315291: fixed in up-imapproxy 1.2.4-1
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Date: Tue, 21 Jun 2005 19:50:52 +0300
From: Tommi Virtanen <[EMAIL PROTECTED]>
Organization: Debian GNU/Linux
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To: [EMAIL PROTECTED]
Subject: imapproxy fails to start if imap or DNS has service outage
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Package: imapproxy
Version: 1.2.3-1
Severity: important
If the imap daemon is down for more than momentarily when imapproxy is
started, imapproxy runs out of the hardcoded limit of 10 retries and
_EXITS_. This means imapproxy turns short service breaks into permanent
breaks until it is manually restarted. This is just unacceptable.
Yes, it only happens at imapproxy startup time, but it is more likely
to happen than you might first think: a setup with two machines, one
running webmail+imapproxy and one running the imap daemon, booting up
at the same time, triggers it reliably.
Service startup should be reliable. Temporary outages should be
reflected to clients as temporary outages.
I personally think SetBannerAndCapability() should just sleep+retry
infinitely, while logging the error situation once in a while.
I just noticed imapproxy does DNS name resolution just once, in a
similar way as the above connect() thing. This means temporary
DNS outage during startup leads to an exit also. Starting up a webmail
server without a network connection thus becomes fatal.
Which leads us to a third bug: if the IMAP server hostname is changed to
point to a new address, imapproxy never sees it. It effectively caches
a DNS lookup with to time-to-live, which is bad behaviour.
Which leads us to a fourth bug: imapproxy caches the imapd banner
and capabilities. If the imap daemon is upgraded, reconfigured, or
replaced with a different software, imapproxy will likely lie to
its clients.
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Received: (at 315291-close) by bugs.debian.org; 25 Sep 2005 20:38:15 +0000
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From: Jose Luis Tallon <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
X-Katie: $Revision: 1.56 $
Subject: Bug#315291: fixed in up-imapproxy 1.2.4-1
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Date: Sun, 25 Sep 2005 13:33:16 -0700
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Source: up-imapproxy
Source-Version: 1.2.4-1
We believe that the bug you reported is fixed in the latest version of
up-imapproxy, which is due to be installed in the Debian FTP archive:
imapproxy_1.2.4-1_i386.deb
to pool/main/u/up-imapproxy/imapproxy_1.2.4-1_i386.deb
up-imapproxy_1.2.4-1.diff.gz
to pool/main/u/up-imapproxy/up-imapproxy_1.2.4-1.diff.gz
up-imapproxy_1.2.4-1.dsc
to pool/main/u/up-imapproxy/up-imapproxy_1.2.4-1.dsc
up-imapproxy_1.2.4.orig.tar.gz
to pool/main/u/up-imapproxy/up-imapproxy_1.2.4.orig.tar.gz
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [EMAIL PROTECTED],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Jose Luis Tallon <[EMAIL PROTECTED]> (supplier of updated up-imapproxy package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [EMAIL PROTECTED])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.7
Date: Thu, 22 Sep 2005 23:45:27 +0200
Source: up-imapproxy
Binary: imapproxy
Architecture: source i386
Version: 1.2.4-1
Distribution: unstable
Urgency: low
Maintainer: Jose Luis Tallon <[EMAIL PROTECTED]>
Changed-By: Jose Luis Tallon <[EMAIL PROTECTED]>
Description:
imapproxy - IMAP protocol proxy
Closes: 315291 324064 326979
Changes:
up-imapproxy (1.2.4-1) unstable; urgency=low
.
* New upstream version
- Includes fix for DNS lookups at startup (Closes: #315291)
.
* Doc & Int'l fixes:
- Corrected imapproxyd(8) (Closes: #326979)
- Added vietnamese translation (Closes: #324064)
.
* Package sponsored by Roberto Lumbreras <[EMAIL PROTECTED]>
Files:
d1888b25e63145e9aacc2bb7febdfa8a 670 mail optional up-imapproxy_1.2.4-1.dsc
ad68dd2258255ac6ef87165f518390e9 131331 mail optional
up-imapproxy_1.2.4.orig.tar.gz
00130f58be92d975b7b3191392e2a75d 8031 mail optional
up-imapproxy_1.2.4-1.diff.gz
13e7cf167997d0a41fb16e2d94d20290 49552 mail optional imapproxy_1.2.4-1_i386.deb
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