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<p class="MsoNormal"><span style="color:#8064A2">The kicker was probably this line:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#8064A2"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"consoals","serif";color:#8064A2">Sep 6 15:44:40 ns3 audit: <audit-1400> { write } for pid=15447 comm="named" name="named.secroots" dev="dm-0" ino=135707451 scontext=system_u:system_r:named_t:s0
tcontext=unconfined_u:object_r:etc_t:s0 tclass=file permissive=0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#8064A2"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#8064A2">The SELinux context that BIND runs in on a red hat system doesn't have access to write to a file of etc_t. After moving the file to /var/named somewhere, a restorecon should have reset it to something like var_named_t
or var_named_cache_t which it would have had access to write to.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#8064A2"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#8064A2">From the line, 'permissive=0' so it suggests a SELinux-enforcing environment.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#8064A2"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#8064A2">Stuart<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#8064A2"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> bind-users [mailto:bind-users-bounces@lists.isc.org]
<b>On Behalf Of </b>Brent Swingle<br>
<b>Sent:</b> Friday, 7 September 2018 12:05 PM<br>
<b>To:</b> bind-users@lists.isc.org<br>
<b>Subject:</b> Re: [BIND] RE: KSK Rollover<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">This matter has been resolved with input from Evan. I was able to add a file path for secroots to the named.conf file and push the output file to a temp directory that was not permission restricted.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">secroots-file "/tmp/named.secroots" ;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Ultimately when I ran “rndc secroots” it created the output file here:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">/tmp/systemd-private-b2ebff459df9471e8bf444e2d2b1116e-named.service-HX1NF5/tmp/named.secroots<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The data in the file seems to be as desired if I understand the KSK Rollover test correctly, I should see 20326 which pertains to the new key:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">[root@ns3 tmp]# cat named.secroots<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">06-Sep-2018 18:47:16.190<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Start view internal-in<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">./RSASHA256/20326 ; managed<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">./RSASHA256/19036 ; managed<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">dlv.isc.org/RSASHA1/19297 ; managed<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Start view external-in<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">./RSASHA256/20326 ; managed<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">./RSASHA256/19036 ; managed<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">dlv.isc.org/RSASHA1/19297 ; managed<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Start view external-chaos<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">dumpsecroots failed: not found<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I did not fully try Carl’s input below but I believe it would have worked as well. I had performed a “chmod 770 /var/named” but I did not follow it up with the SELinux modification. The last error I had was SELinux
barking so I’d anticipate his suggestion was the correct one.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">Does the 'named' user have write access to /var/named? The default<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">redhat setup has /var/named as 0750, with /var/named/data as 0770. Also,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">the default redhat selinux config prevents named writing to /var/named.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">chmod 770 /var/named<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">setsebool -P named_write_master_zones=true<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New"">rndc secroots<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks everyone for assisting with this matter.<o:p></o:p></span></p>
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