Folks,
Why does my dkim-filter make and keep open so many connecting to my upstream
DNS?
I found over 150 connections that look like this in netstat -anp:
udp 0 0 69.94.104.180:43052 <upstream DNS #1>:53
ESTABLISHED 3889/dkim-filter
And over 30 connections that look like this in netstat -anp:
udp 0 0 69.94.104.180:43052 <upstream DNS #2>:53
ESTABLISHED 3889/dkim-filter
And only one like this:
udp 0 0 127.0.0.1:59116 127.0.0.1:53
ESTABLISHED 3889/dkim-filter
I restarted dkim-filter and they all went away. They don't come back right
away. I assume that dkim-filter is connecting to the second nameserver in
my /etc/resolv.conf file when the first nameserver is not available. I
don't understand why it opens so many connections over a period of weeks and
leaves them open.
My resolver configuration is:
# more /etc/resolv.conf
nameserver 127.0.0.1
nameserver <upstream DNS #1>
nameserver <upstream DNS #2>
I am running BIND 9.5.0-P1 as a caching nameserver:
#more /etc/named.conf
options {
directory "/var/named";
allow-recursion { 127.0.0.1; 69.94.104.180; };
listen-on { 127.0.0.1; 69.94.104.180; };
transfer-source 69.94.104.180;
transfers-out 300 ;
pid-file "/var/run/named/named.pid";
};
Thanks for the help.
Jim
-----
Jim Hermann <[EMAIL PROTECTED]>
UUism Networks <http://www.UUism.net>
Ministering to the Needs of Online UUs
Web Hosting, Email Services, Mailing Lists
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