Mailinglist Archive: opensuse-features (194 mails)

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[openFATE 308824] Drop appending 127.0.0.2 line to /etc/hosts (incl. related configuration options)
  • From: fate_noreply@xxxxxxx
  • Date: Mon, 18 Jan 2010 13:10:53 +0000 (GMT)
  • Message-id: <feature-308824-2@xxxxxxxxxxxxxx>
Feature changed by: Ludwig Nussel (lnussel)
Feature #308824, revision 2
Title: Drop appending 127.0.0.2 line to /etc/hosts (incl. related
configuration options)

openSUSE-11.3: New
Priority
Requester: Important

Requested by: Katarina Machalkova (kmachalkova)
+ Requested by: Ludwig Nussel (lnussel)

Description:
For years, SUSE-based products have been appending '127.0.0.2 host.
domain host' to /etc/hosts as a convenience for applications which want
to resolve the hostname and which thus become irresponsive without
active network [1]
Localhost IP associated with FQDN however causes various network
services (samba, SLP, LDAP, ntp, ... ) to behave oddly [2]. An option
in product-wide control files has been introduced so as not to append
127.0.0.2 on server-oriented products (SLES) - FaTE#303875, while
keeping user the possibility to override the default in GUI and
AutoYaST profile. Nevertheless, even reasonably set default doesn't
prevent misconfigurations and user complaints [3]
The suggestion is therefore to drop 127.0.0.2 modification of
/etc/hosts altogether and drop GUI/control options associated with
configuration thereof. These include:
* GUI option in YaST installer
* XML profile elements in AutoYaST
* Variable in product-wide control file (control.xml)
* Possibly also sysconfig variable
Appending 127.0.0.2 line has always been sort of workaround for flawed
(mostly) desktop applications and DNS servers, so rather than providing
workaround with plethora of side effects, it'd more reasonable to have
affected apps fixed. Bugs have been filed against some of them and
fixed already.

References:
[1] Apps become slow when offline bugs
https://bugzilla.novell.com/show_bug.cgi?id=304632
https://bugzilla.novell.com/show_bug.cgi?id=383336
[2] Network services going insane with localhost IP associated with
FQDN
https://bugzilla.novell.com/show_bug.cgi?id=207392
https://bugzilla.novell.com/show_bug.cgi?id=355608
https://bugzilla.novell.com/show_bug.cgi?id=570108
[3] Even reasonably set default doesn't help
https://bugzilla.novell.com/show_bug.cgi?id=510228


--
openSUSE Feature:
https://features.opensuse.org/308824

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