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  #1  
Old 6th January 2012, 15:42
kmchen kmchen is offline
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Default server doesn't listen on UDP port 53

zonecheck on a domain reports "server doesn't listen on UDP port 53"

When I look at :
Code:
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 127.0.0.1:10024         0.0.0.0:*               LISTEN      3908/amavisd (maste
tcp        0      0 127.0.0.1:10025         0.0.0.0:*               LISTEN      3803/master
tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN      2831/mysqld
tcp        0      0 0.0.0.0:110             0.0.0.0:*               LISTEN      894/pop3-login
tcp        0      0 0.0.0.0:143             0.0.0.0:*               LISTEN      895/imap-login
tcp        0      0 87.98.160.188:53        0.0.0.0:*               LISTEN      797/named
tcp        0      0 176.31.109.26:53        0.0.0.0:*               LISTEN      797/named
tcp        0      0 127.0.0.1:53            0.0.0.0:*               LISTEN      797/named
tcp        0      0 0.0.0.0:21              0.0.0.0:*               LISTEN      3870/pure-ftpd (SER
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      3772/sshd
tcp        0      0 127.0.0.1:953           0.0.0.0:*               LISTEN      797/named
tcp        0      0 0.0.0.0:25              0.0.0.0:*               LISTEN      876/smtpd
tcp        0      0 0.0.0.0:993             0.0.0.0:*               LISTEN      895/imap-login
tcp        0      0 0.0.0.0:995             0.0.0.0:*               LISTEN      894/pop3-login
tcp6       0      0 :::8080                 :::*                    LISTEN      624/apache2
tcp6       0      0 :::80                   :::*                    LISTEN      624/apache2
tcp6       0      0 :::8081                 :::*                    LISTEN      624/apache2
tcp6       0      0 :::53                   :::*                    LISTEN      797/named
tcp6       0      0 :::21                   :::*                    LISTEN      3870/pure-ftpd (SER
tcp6       0      0 :::22                   :::*                    LISTEN      3772/sshd
tcp6       0      0 ::1:953                 :::*                    LISTEN      797/named
tcp6       0      0 :::443                  :::*                    LISTEN      624/apache2
I see my server listens only on 3 ip adresses: real ip, ipfailover and lo
But in /etc/bind/named.conf.options:
Code:
        auth-nxdomain no;    # conform to RFC1035
        listen-on-v6 { any; };
        listen-on { any; };
//      allow-recursion { 127.0.0.1; };
It seems to be configured to listen on any port. Where are defined the 3 ip limitations ?
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  #2  
Old 7th January 2012, 11:33
falko falko is offline
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Default

What's the output of
Code:
netstat -uap
?
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  #3  
Old 9th January 2012, 19:45
kmchen kmchen is offline
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Default

Here is the result of the command:
Quote:
root@ks392200:~# netstat -uap
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
udp 0 0 ks392200.kimsufi:domain *:* 4429/named
udp 0 0 ks392200.kimsufi:domain *:* 4429/named
udp 0 0 localhost.locald:domain *:* 4429/named
udp6 0 0 [::]:domain [::]:* 4429/named
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Last edited by kmchen; 9th January 2012 at 19:48.
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Old 10th January 2012, 17:13
falko falko is offline
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Default

named is listening on port 53 UDP, so I guess it's a firewall issue.
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