[Bug 456224] [NEW] Installing bind9 with forwarders causes loss of hostname resolution.

2009-10-20 Thread cwsupport
Public bug reported:

Binary package hint: bind9

Ubuntu Karmic Koala 9.10 BETA
FULLY updated via apt-get dist-upgrade

bind9:  1:9.6.1.dfsg.P1-3

After bind9 is installed hostname resolution no longer occurs on programs such 
as ping. However dig resolves successfully via the local server.
Bind9 has been configured to execute as a local-cache (i.e. no zones just 
caching forwarded requests).

/etc/resolv.conf is EMPTY.
/etc/nsswitch.conf contains:
---
hosts:  files mdns4_minimal [NOTFOUND=return] dns mdns4
---

/etc/bind9/named.conf.options contains:
-
options {
directory /var/cache/bind;

// If there is a firewall between you and nameservers you want
// to talk to, you might need to uncomment the query-source
// directive below.  Previous versions of BIND always asked
// questions using port 53, but BIND 8.1 and later use an unprivileged
// port by default.

// query-source address * port 53;

// If your ISP provided one or more IP addresses for stable
// nameservers, you probably want to use them as forwarders.
// Uncomment the following block, and insert the addresses replacing
// the all-0's placeholder.

forwarders {
212.139.132.43;
212.139.132.44;
};

auth-nxdomain no;# conform to RFC1035
listen-on-v6 { any; };
};
-
Taking the DNS servers into /etc/resolv.conf and uninstalling bind9 results in 
hostname resolution being restored.


THIS WORKS UNDER Ubuntu Intrepid 8.04.

** Affects: bind9 (Ubuntu)
 Importance: Undecided
 Status: New

-- 
Installing bind9 with forwarders causes loss of hostname resolution.
https://bugs.launchpad.net/bugs/456224
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Server Team, which is subscribed to bind9 in ubuntu.

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Re: [Bug 456224] [NEW] Installing bind9 with forwarders causes loss of hostname resolution.

2009-10-20 Thread Mathias Gug
On Tue, Oct 20, 2009 at 11:03:51AM -, cwsupport wrote:
 
 After bind9 is installed hostname resolution no longer occurs on programs 
 such as ping.

Uses the libc name resolution stack (configured via resolv.conf).

 However dig resolves successfully via the local server.

Talks directly to the dns server, by passing the libc (and thus
resolv.conf).

 
 /etc/resolv.conf is EMPTY.

This is probably your problem. If resolv.conf is empty, dns name
resolution won't work. Why is resolv.conf empty? Could you check if
resolv.conf was empty *before* bind9 was installed?

  status incomplete
  importance low

-- 
Mathias Gug
Ubuntu Developer  http://www.ubuntu.com

-- 
Installing bind9 with forwarders causes loss of hostname resolution.
https://bugs.launchpad.net/bugs/456224
You received this bug notification because you are a member of Ubuntu
Server Team, which is subscribed to bind9 in ubuntu.

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