https://shocksolution.com/tags/cifs/Recent content in CIFS on shocksolution.comHugoen-usWed, 23 Oct 2019 16:23:48 +0000https://shocksolution.com/posts/mount-cifs-error-13-after-update-centos-redhat-linux-7-6/Wed, 23 Oct 2019 16:23:48 +0000https://shocksolution.com/posts/mount-cifs-error-13-after-update-centos-redhat-linux-7-6/<figure class="ma0 w-75"><img src="https://shocksolution.com/images/hidde-van-esch-m4N7onAg1oE-unsplash.jpg" alt="PERMISSION DENIED"><figcaption> <p>PERMISSION DENIED</p> </figcaption> </figure> <p>PERMISSION DENIED (Photo by <a href="https://unsplash.com/@holoz?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText">Hidde van Esch</a> on <a href="https://unsplash.com/s/photos/denied?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText">Unsplash</a>)</p> <p>If you recently updated your RedHat or CentOS 7.6 system, you may suddenly start getting &ldquo;Permission Denied&rdquo; errors when attempting to mount SMB shares via CIFS. Typical error messages in syslog look like this:</p> <div class="code-block"> <button class="code-copy" type="button" hidden aria-label="Copy code to clipboard"> <span class="code-copy-label" aria-hidden="true">Copy</span> </button> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-text" data-lang="text"><span style="display:flex;"><span>kernel: Status code returned 0xc000006d STATUS_LOGON_FAILURE </span></span><span style="display:flex;"><span>kernel: CIFS VFS: Send error in SessSetup = -13 </span></span><span style="display:flex;"><span>kernel: CIFS VFS: cifs_mount failed w/return code = -13</span></span></code></pre></div> </div><h2 id="configuration-that-triggered-the-problem">Configuration that triggered the problem</h2> <p><em>Synology NAS with latest operating system shares a volume via SMB</em>CentOS 7 Linux server mounts SMB share using a local username and password (NOT domain credentials)<em>cifs-utils version 6.2 installed in May of 2019 (this by itself worked fine)<em>libsmbclient just updated to 4.9.1-6</em>libmount just updated to 2.23.2-61</em>CIFS mount options: vers=3.0,credentials=/root/credentials.txt,sec=ntlmsspi* File /root/credentials.txt contained a username and password that are LOCAL to the SMB server</p>