Add GnuTLS and secure LDAP information.

[blog.git] / posts / GnuTLS.mdwn

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+[GnuTLS][] is the GNU [SSL/TLS][] implementation, because
+[OpenSSL][]'s [license is incompatible with the GPL][incompatible].
+There are a number of small compatibility issues between the two, so
+it's best to use the OpenSSL tools to create certs and keys for use by
+OpenSSL-linked servers and the GnuTLS tools to create certs and keys
+for use by GnuTLS-linked servers.  See [[X.509_certificates]] for
+details on creating self-signed keys with both packages.
+
+[GnuTLS]: http://www.gnu.org/software/gnutls/
+[SSL/TLS]: http://en.wikipedia.org/wiki/Transport_Layer_Security
+[OpenSSL]: http://www.openssl.org/
+[incompatible]: http://en.wikipedia.org/wiki/OpenSSL#Licensing
+
+[[!tag tags/linux]]
+[[!tag tags/tools]]