Changes between Initial Version and Version 1 of 291-on-slackware-i-get-the-error-cipher-algorithm-bf-cbc-not-found-openssl


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Timestamp:
01/30/14 15:08:58 (7 years ago)
Author:
Samuli Seppänen
Comment:

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  • 291-on-slackware-i-get-the-error-cipher-algorithm-bf-cbc-not-found-openssl

    v1 v1  
     1{{{
     2#!html
     3<p>By default, OpenVPN uses the <em>blowfish</em> cipher for tunnel encryption. For some reason, some versions of Slackware have an OpenSSL library built without Blowfish cipher support.</p>
     4<p>The fix is either:</p>
     5<ul>
     6<li>Rebuild the OpenSSL library to include blowfish, or</li>
     7<li>use the <strong>--cipher</strong> option to choose a different cipher. The command <strong>openvpn --show-ciphers</strong> will show the available ciphers. For example <strong>--cipher DES-EDE3-CBC</strong> will select Triple-DES encryption.</li>
     8</ul>
     9}}}
     10
     11[wiki:FAQ Return to FAQ]