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Old 3rd December 2008, 16:12
woodson2 woodson2 is offline
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Default DNS broken after Fedora 10 upgrade

I have a primary and slave DNS server running on my internal LAN for the past 3-4 iterations of Fedora. However after the FC10 upgrade I cannot start the named service....

This is what I see in /var/log/messages


03-Dec-2008 10:07:46.246 starting BIND 9.5.1b2-RedHat-9.5.1-0.8.b2.fc10 -g
03-Dec-2008 10:07:46.246 found 2 CPUs, using 2 worker threads
03-Dec-2008 10:07:46.247 using up to 4096 sockets
03-Dec-2008 10:07:46.252 loading configuration from '/etc/named.conf'
03-Dec-2008 10:07:46.253 max open files (1024) is smaller than max sockets (4096)
03-Dec-2008 10:07:46.254 using default UDP/IPv4 port range: [1024, 65535]
03-Dec-2008 10:07:46.254 using default UDP/IPv6 port range: [1024, 65535]
03-Dec-2008 10:07:46.257 listening on IPv4 interface lo, 127.0.0.1#53
03-Dec-2008 10:07:46.258 listening on IPv4 interface eth0, 10.10.10.100#53
03-Dec-2008 10:07:46.262 default max-cache-size (33554432) applies
03-Dec-2008 10:07:46.262 /etc/named.conf:28: using specific query-source port suppresses port randomization and can be insecure.
03-Dec-2008 10:07:46.263 could not get query source dispatcher (0.0.0.0#53)
03-Dec-2008 10:07:46.263 loading configuration: address in use
03-Dec-2008 10:07:46.263 exiting (due to fatal error)


This is the results of named-checkconf -z

zone maizenblue.com/IN: maizenblue.com/MX 'mail.maizenblue.com' is a CNAME (illegal)
zone maizenblue.com/IN: loaded serial 2007041818
zone 10.10.10.in-addr.arpa/IN: loading from master file 10.10.10.zone failed: file not found
_default/10.10.10.in-addr.arpa/IN: file not found


looks like it can't find the reverse zone file, however it is definitely there....Any help would be greatly appreciated...Thanks
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Old 4th December 2008, 23:41
falko falko is offline
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Default

What's in your named.conf?

Quote:
Originally Posted by woodson2 View Post
This is the results of named-checkconf -z

zone maizenblue.com/IN: maizenblue.com/MX 'mail.maizenblue.com' is a CNAME (illegal)
You must not use CNAME records in an MX record. Always use A records.
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Old 5th December 2008, 03:33
woodson2 woodson2 is offline
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Default

Quote:
Originally Posted by falko View Post
What's in your named.conf?


You must not use CNAME records in an MX record. Always use A records.

Thanks for the reply..I was able to fix the issue by modifying the "query-source" directive. Apparently some things have changed in the new version of BIND.
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