Based on Henrique de Moraes Holschuh's announcement <http://lists.debian.org/[email protected]>
Bug#560094. Cc: Simon Paillard <[email protected]> Cc: Henrique de Moraes Holschuh <[email protected]> Signed-off-by: Julien Cristau <[email protected]> --- en/issues.dbk | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 57 insertions(+), 0 deletions(-) diff --git a/en/issues.dbk b/en/issues.dbk index e08c859..5b2c81e 100644 --- a/en/issues.dbk +++ b/en/issues.dbk @@ -418,6 +418,63 @@ TODO </para> </section> +<section id="sieve-port-number"> +<title><literal>sieve</literal> service moving to its IANA-allocated port</title> +<para> +The IANA port allocated for ManageSieve is 4190/tcp, and the old port used +by <command>timsieved</command> and other managesieve software in many +distributions (2000/tcp) is allocated for Cisco SCCP usage, according to <ulink +url="http://www.iana.org/assignments/port-numbers";>the IANA registry</ulink>. +</para> +<para> +Starting with the version 4.38 of the Debian <systemitem +role="package">netbase</systemitem> package, the <literal>sieve</literal> +service will be moved from port 2000 to port 4190 in the +<filename>/etc/services</filename> file. +</para> +<para> +Any installs which used the <literal>sieve</literal> service name instead of a +numeric port number will switch to the new port number as soon as the services +are restarted or reloaded, and in some cases, immediately after +<filename>/etc/services</filename> is updated. +</para> +<para> +This will affect Cyrus IMAP. This may also affect other sieve-enabled +software such as DoveCot. +</para> +<para> +In order to avoid downtime problems, mail cluster administrators using +Debian are urged to verify their Cyrus (and probably also DoveCot) installs, +and take measures to avoid services moving from port 2000/tcp to port +4190/tcp by surprise in either servers or clients. +</para> +<para> +It is worth noting that: +<itemizedlist> +<listitem> +<filename>/etc/services</filename> will only be automatically updated if you +never made any modifications to it. Otherwise, you will be presented with a +prompt by dpkg asking you about the changes. +</listitem> +<listitem> +You can edit <filename>/etc/services</filename> and change the +<literal>sieve</literal> port back to 2000 if you want (this is not +recommended, though). +</listitem> +<listitem> +You can edit <filename>/etc/cyrus.conf</filename> and any other relevant +configuration files for your mail/webmail cluster (e.g. on the sieve web +frontends) ahead of time to force them all to a static port number. +</listitem> +<listitem> +You can configure cyrus master to listen on both ports (2000 and 4190) +at the same time, and thus avoid the problem entirely. This also allows for +a much more smooth migration from port 2000 to port 4190. +</listitem> +</itemizedlist> +</para> +</section> + <!-- FIXME: Review for Squeeze - See 599813 --> <section id="gnome-desktop-changes"> <title>GNOME desktop changes and support</title> -- 1.7.2.3 -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
