<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: verdana,helvetica,sans-serif; font-size: 10pt; color: #000000'><b>From: </b>"abang" <abang@t-ipnet.net><br><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>To: </b>pdns-users@mailman.powerdns.com<br><b>Sent: </b>Friday, 26 September, 2014 7:36:13 AM<br><b>Subject: </b>Re: [Pdns-users] PDNS does not send info for reverse DNS<br><br>Hi Winfried<br><br>
<div class="moz-cite-prefix">> Hi,<br>
<code><br>>>Exception: Resolver binding to server socket on port 53 for 10.20.0.4: Address already in use</code><br><br>> Please try first to solve this. Your Recursor can not listen on<code>
</code>10.20.0.4:53! There must be another process which is
listen on this port.<br></div><code>
<br>
> # netstat -tulpn | grep '</code><code><code>10.20.0.4</code>:53'<br>
</code><br></div>I don't know why he gives that resonse, since only pdns-recursor is using port 53 on UDP/TCP:<br><br>~ root# netstat -tulpn | grep 10.20.0.4:53<br>tcp 0 0 10.20.0.4:53 0.0.0.0:* LISTEN 3134/pdns_recursor<br>udp 0 0 10.20.0.4:53 0.0.0.0:* 3134/pdns_recursor<br></div></body></html>