Red Hat Bugzilla – Bug 248707
NetworrkManager causes bind to recursively forward to itself
Last modified: 2008-06-16 21:54:05 EDT
Description of problem:
Version-Release number of selected component (if applicable):
rpm -q NetworkManager bind
Steps to Reproduce:
1. Stop the NetworkManeger, NetworkManagerDispatcher and named services
Configure a network interface with static ip.
2. Configure a network interface with a statis ip address (no dhcp).
3. Configure named with a number of local zones, and set some
forwarders (see attached named.conf)
4. Enter "nameserver 127.0.0.1" in /etc/resolv.conf
5. start named. Works as expected. In particular,
sudo namedGetForwarders produces valid forwarders
6. start NetworkManager and NetworkManagerDispatcher services.
resolv.conf still contains 127.0.0.1 as the only nameserver (which is
fine in this case), but the forwarding hosts have been messed up.
7. lookup a host. -> "connection timed out; no servers could be reached"
Second attempt works, but etherape shows a very large number of connections
to (apparently) nameservers including k.root-servers.net
8. After adding the forwarders manually, dns works again
sudo /usr/sbin/namedSetForwarders . 126.96.36.199 188.8.131.52
method return sender=:1.107 -> dest=:1.112
bind seems to recursively query itself. When that fails it contacts
nameservers it should not connect to (I think).
Created attachment 159513 [details]
bind config file
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