<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Helvetica;
panose-1:0 0 0 0 0 0 0 0 0 0;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
p.msonormal0, li.msonormal0, div.msonormal0
{mso-style-name:msonormal;
mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
span.EmailStyle18
{mso-style-type:personal;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.EmailStyle19
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt'>Have you done packet captures to make sure that the reply is leaving the PDNS server and reaching the SBC?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>Any firewall between the two devices? Any egress filtering on the PDNS server? ACL or ingress filtering on the SBC?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='color:black'>From: </span></b><span style='color:black'>Pdns-users <pdns-users-bounces@mailman.powerdns.com> on behalf of Bart Mueller <bmueller@singlepointglobal.com><br><b>Date: </b>Wednesday, July 11, 2018 at 3:52 PM<br><b>To: </b>"pdns-users@mailman.powerdns.com" <pdns-users@mailman.powerdns.com><br><b>Subject: </b>[Pdns-users] Using Power DNS for ENUM Server and 408 Error<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='mso-line-height-alt:.75pt;background:white'><a name=ipw-begin></a><span style='font-size:1.0pt;color:white'>I have a powerdns server setup using mysql on the backend. The PDNS logs see the query come in: SELECT content,ttl,prio,type,domain_id,disabled,name,auth FROM records WHERE disabled= <o:p></o:p></span></p></div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%'><tr><td width=10 style='width:7.5pt;border:none;border-left:solid #8A6D3B 4.5pt;background:#FCF8E3;padding:0in 0in 0in 0in'></td><td style='background:#FCF8E3;padding:0in 0in 0in 0in'><div style='margin-left:3.0pt;margin-top:6.0pt;margin-right:6.0pt;margin-bottom:3.0pt;line-height:initial !important'><p class=MsoNormal><b><span style='font-size:10.5pt;font-family:"Arial",sans-serif'>Unusual Message</span></b><span style='font-size:10.5pt;font-family:"Arial",sans-serif'> (External, bmueller@singlepointglobal.com) </span><span style='font-size:11.0pt'><o:p></o:p></span></p></div></td></tr><tr><td width=10 style='width:7.5pt;border:none;border-left:solid #8A6D3B 4.5pt;background:#FCF8E3;padding:0in 0in 0in 0in'></td><td style='background:#FCF8E3;padding:0in 0in 0in 0in'><div style='margin-right:6.0pt;margin-bottom:6.0pt;line-height:initial !important'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%'><tr><td width=20 style='width:15.0pt;background:#FCF8E3;padding:0in 0in 0in 0in'><div style='margin-left:3.0pt;margin-top:3.0pt;margin-right:3.0pt;margin-bottom:3.0pt;line-height:initial !important'><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>• </span><span style='font-size:11.0pt'><o:p></o:p></span></p></div></td><td style='background:#FCF8E3;padding:0in 0in 0in 0in'><div style='margin-left:3.0pt;margin-top:3.0pt;margin-right:3.0pt;margin-bottom:3.0pt;line-height:initial !important'><p class=MsoNormal><b><span style='font-size:10.5pt;font-family:"Arial",sans-serif'>First-Time Sender</span></b><span style='font-size:10.5pt;font-family:"Arial",sans-serif'> <a href="https://shared.outlook.inky.com/details?id=YWxsaWVkdGVsZWNvbS9yZGF3c29uQGFsbGllZHRlbGVjb20ubmV0L2YyMDcyY2U4YmMyMDRkMzlhY2Q5NzM0ZGU5MWEyZDJjLzE1MzEzMzg3MzIuMzI=" target="_blank"><span style='color:black'>Details</span></a> </span><span style='font-size:11.0pt'><o:p></o:p></span></p></div></td></tr></table></div></td></tr></table><p class=MsoNormal align=right style='text-align:right;background:white'><span style='font-size:11.0pt'><a href="https://shared.outlook.inky.com/report?id=YWxsaWVkdGVsZWNvbS9yZGF3c29uQGFsbGllZHRlbGVjb20ubmV0L2YyMDcyY2U4YmMyMDRkMzlhY2Q5NzM0ZGU5MWEyZDJjLzE1MzEzMzg3MzIuMzI=" target="_blank"><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:gray'>Report This Email</span></a> <a href="https://inky.com" target="_blank"><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:#3C87C7'>Powered by Inky</span></a> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><br><br><a name=ipw-end></a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>I have a powerdns server setup using mysql on the backend.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>The PDNS logs see the query come in:</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>SELECT content,ttl,prio,type,domain_id,disabled,name,auth FROM records WHERE disabled=0 and name=someEntry' and domain_id=3</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>But my SBC times out.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>Jul 11 15:19:59.440 [DNS] (2) Q:NAPTR someEntry process ENUM results 408 Request Timeout</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>If I do a dig:</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>dig @myServer SomeEntry NAPTR</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>I get a good answer:</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>someReverseEntry. 120 IN NAPTR 100 10 "u" "E2U+sip" "!^.*$!sip:someEntry@someIP!" .</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>I have a domain set in the domains table with an id that matches the query (3)</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>| 3 | someDomain.com | 127.0.0.1 | NULL | MASTER | NULL | NULL |</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>I have confirmed that auth=1 on the record.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>Any other information you need to assist? Let me know.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>Thank you</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><b><span style='font-size:15.0pt;font-family:Helvetica;color:#68B834'>Bart Mueller</span></b><o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:15.0pt;color:#474747'>Director VoIP Operations</span><o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='color:#818386'>21720 Red Rum Dr Suite 122 | Ashburn, VA 20147</span><o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><b><span style='font-size:13.0pt;color:#0C0C0C'>p. </span></b><span style='font-size:13.0pt;color:#0C0C0C'>703-348-2910</span><o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:15.0pt'><a href="mailto:bmueller@singlepointglobal.com"><span style='font-size:12.0pt;font-family:Helvetica;color:#0B4CB4'>bmueller@singlepointglobal.com</span></a></span><o:p></o:p></p><p class=MsoNormal><span style='font-size:15.0pt'><a href="http://www.singlepointglobal.com/"><b><span style='font-size:12.0pt;font-family:Helvetica;color:#68B834'>www.singlepointglobal.com</span></b></a></span><o:p></o:p></p></div></body></html>