[Bug network/14799] New: RES_OPTIONS cannot disabled options enabled in /etc/resolv.conf

[Bug network/14799] New: RES_OPTIONS cannot disabled options enabled in /etc/resolv.conf

[simohe at besonet dot ch]

http://sourceware.org/bugzilla/show_bug.cgi?id=14799

             Bug #: 14799
           Summary: RES_OPTIONS cannot disabled options enabled in
                    /etc/resolv.conf
           Product: glibc
           Version: 2.16
            Status: NEW
          Severity: minor
          Priority: P2
         Component: network
        AssignedTo: unassigned@sourceware.org
        ReportedBy: simohe@besonet.ch
    Classification: Unclassified


The only option existing opositive and negative is [no-]ip6-dotint. Other
options can not be disabled on the command line when they are set in
/etc/resolv.conf.

example:
 when options inet6 is set in /etc/resolv.conf I can not disable it by calling
 RES_OPTIONS=no-inet6 commandNotSupportingInet6

please add the opposite of the following options:
 inet6
 ip6-bytestring
 rotate
 no-check-names
 edns0
 single-request-reopen
 single-request
 no_tld_query
 no-tld-query
 use-vc
and maybe also for
 debug


Checked in res_init.c in version of checkin
ad8ac1bd6a3db5becaf1dc20394f6e682d7828cc

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[Bug network/14799] RES_OPTIONS cannot disable options enabled in /etc/resolv.conf

[schwab@linux-m68k.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=14799

Andreas Schwab <schwab@linux-m68k.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|RES_OPTIONS cannot disabled |RES_OPTIONS cannot disable
                   |options enabled in          |options enabled in
                   |/etc/resolv.conf            |/etc/resolv.conf

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[Bug network/14799] RES_OPTIONS cannot disable options enabled in /etc/resolv.conf

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=14799

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
              Flags|                            |security-

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[Bug network/14799] RES_OPTIONS cannot disable options enabled in /etc/resolv.conf

[sourceware.org-mail at nils dot toedtmann.net]

https://sourceware.org/bugzilla/show_bug.cgi?id=14799

Nils Toedtmann <sourceware.org-mail at nils dot toedtmann.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sourceware.org-mail at nils dot to
                   |                            |edtmann.net

--- Comment #1 from Nils Toedtmann <sourceware.org-mail at nils dot toedtmann.net> ---
+1 for "no-inet6"

Most linux distributions have RES_USE_INET6 set at compile time, and there
seems to be no way to disable it at runtime. 

The sysadmin should be given an option to disable AAAA lookups.

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[Bug network/14799] RES_OPTIONS cannot disable options enabled in /etc/resolv.conf

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=14799

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at sourceware dot org   |fweimer at redhat dot com
             Status|NEW                         |ASSIGNED

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