From ff284120aa17a2b2d16d13bcdf67b794800f047c Mon Sep 17 00:00:00 2001 From: Phil Pennock Date: Mon, 11 Mar 2013 14:18:23 -0400 Subject: [PATCH] configure.default handle IPv6 localhost better. Base patch by Alain Williams. Tweaked, to avoid putting an IPv6-dependency into the default uncommented form, and some rewording. Bugzilla 880. GitHub PR #1. --- doc/doc-txt/ChangeLog | 4 ++++ src/src/configure.default | 13 +++++++++---- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog index e309317af..c8155aa5c 100644 --- a/doc/doc-txt/ChangeLog +++ b/doc/doc-txt/ChangeLog @@ -171,6 +171,10 @@ JH/14 SMTP PRDR (http://www.eric-a-hall.com/specs/draft-hall-prdr-00.txt). PP/16 Fix problems caused by timeouts during quit ACLs trying to double fclose(). Diagnosis by Todd Lyons. +PP/17 Update configure.default to handle IPv6 localhost better. + Patch by Alain Williams (plus minor tweaks). + Bugzilla 880. + Exim version 4.80.1 ------------------- diff --git a/src/src/configure.default b/src/src/configure.default index 792b3ecc1..12743499c 100644 --- a/src/src/configure.default +++ b/src/src/configure.default @@ -56,7 +56,9 @@ domainlist local_domains = @ domainlist relay_to_domains = -hostlist relay_from_hosts = 127.0.0.1 +hostlist relay_from_hosts = localhost +# (We rely upon hostname resolution working for localhost, because the default +# uncommented configuration needs to work in IPv4-only environments.) # Most straightforward access control requirements can be obtained by # appropriate settings of the above options. In more complicated situations, @@ -91,12 +93,13 @@ hostlist relay_from_hosts = 127.0.0.1 # to any other host on the Internet. Such a setting commonly refers to a # complete local network as well as the localhost. For example: # -# hostlist relay_from_hosts = 127.0.0.1 : 192.168.0.0/16 +# hostlist relay_from_hosts = <; 127.0.0.1 ; ::1 ; 192.168.0.0/16 # # The "/16" is a bit mask (CIDR notation), not a number of hosts. Note that you # have to include 127.0.0.1 if you want to allow processes on your host to send # SMTP mail by using the loopback address. A number of MUAs use this method of -# sending mail. +# sending mail. Often, connections are made to "localhost", which might be ::1 +# on IPv6-enabled hosts. Do not forget CIDR for your IPv6 networks. # All three of these lists may contain many different kinds of item, including # wildcarded names, regular expressions, and file lookups. See the reference @@ -539,6 +542,8 @@ dnslookup: domains = ! +local_domains transport = remote_smtp ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8 +# if ipv6-enabled then instead use: +# ignore_target_hosts = <; 0.0.0.0 ; 127.0.0.0/8 ; ::1 no_more @@ -553,7 +558,7 @@ dnslookup: # domains = ! +local_domains # transport = remote_smtp # route_data = MAIL.HOSTNAME.FOR.CENTRAL.SERVER.EXAMPLE -# ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8 +# ignore_target_hosts = <; 0.0.0.0 ; 127.0.0.0/8 ; ::1 # no_more -- 2.25.1