<html xmlns:v="urn:schemas-microsoft-com:vml" 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=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Today I had to disable private address stripping of 10.0.0.0/8 because it was leading to SERVFAILS when looking up echannel.stateauto.com<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m running Unbound 1.4.16 on Centos 6.2<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Name : unbound<o:p></o:p></p><p class=MsoNormal>Arch : x86_64<o:p></o:p></p><p class=MsoNormal>Version : 1.4.16<o:p></o:p></p><p class=MsoNormal>Release : 1.el6<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The following dig shows the presence of private addresses in the additional section. I thought by default Unbound would strip these addresses when using the respective private addresss: option in the config, but it appears to be leading to lookup failures. I haven’t a clue what else I should look at, if I should modify my config or what. Thanks for guidance.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>[CDNS1]# dig @174.47.194.100 echannel.stateauto.com<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>; <<>> DiG 9.7.3-P3-RedHat-9.7.3-8.P3.el6_2.2 <<>> @174.47.194.100 echannel.stateauto.com<o:p></o:p></p><p class=MsoNormal>; (1 server found)<o:p></o:p></p><p class=MsoNormal>;; global options: +cmd<o:p></o:p></p><p class=MsoNormal>;; Got answer:<o:p></o:p></p><p class=MsoNormal>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50513<o:p></o:p></p><p class=MsoNormal>;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 5<o:p></o:p></p><p class=MsoNormal>;; WARNING: recursion requested but not available<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>;; QUESTION SECTION:<o:p></o:p></p><p class=MsoNormal>;echannel.stateauto.com. IN A<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>;; AUTHORITY SECTION:<o:p></o:p></p><p class=MsoNormal>echannel.stateauto.com. 3600 IN NS dc1gss.stateauto.com.<o:p></o:p></p><p class=MsoNormal>echannel.stateauto.com. 3600 IN NS colgss.stateauto.com.<o:p></o:p></p><p class=MsoNormal>echannel.stateauto.com. 3600 IN NS irogss.stateauto.com.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>;; ADDITIONAL SECTION:<o:p></o:p></p><p class=MsoNormal>dc1gss.stateauto.com. 3600 IN A 10.30.252.102<o:p></o:p></p><p class=MsoNormal>dc1gss.stateauto.com. 3600 IN A 174.47.194.102<o:p></o:p></p><p class=MsoNormal>colgss.stateauto.com. 3600 IN A 66.192.197.102<o:p></o:p></p><p class=MsoNormal>colgss.stateauto.com. 3600 IN A 10.25.252.102<o:p></o:p></p><p class=MsoNormal>irogss.stateauto.com. 3600 IN A 63.86.19.102<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>;; Query time: 26 msec<o:p></o:p></p><p class=MsoNormal>;; SERVER: 174.47.194.100#53(174.47.194.100)<o:p></o:p></p><p class=MsoNormal>;; WHEN: Thu Mar 21 15:44:22 2013<o:p></o:p></p><p class=MsoNormal>;; MSG SIZE rcvd: 205<o:p></o:p></p></div></body></html>