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Showing entries 1 to 6

Displaying posts with tag: tls (reset)

Practical P_S: Which TLS ciphers are connections using?
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As noted in an earlier post, MySQL Server 5.7 prefers and enables SSL/TLS connections by default.  That’s great and useful progress towards secure connections, but we know that not all SSL/TLS ciphers are created equal – some are older and more vulnerable.  Furthermore, some recent vulnerabilities rely on the ability to negotiate less-secure ciphers during the handshake.  Monitoring which ciphers are used can help identify connections using low-grade ciphers, but also to build an appropriate …

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Implications of TLS plans for third-party products
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As I wrote earlier, we want the default experience in MySQL 5.7 to be secure by default.  Part of this includes securing connections by automatically creating key material and using TLS for connections where possible.  This may have some significant implications for third-party software – especially products which depend upon capturing, evaluating and/or redirecting client/server traffic at the network level.  This blog post is intended to highlight for developers and users of such products potential issues they may want to …

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SSL/TLS in MySQL 5.7
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MySQL 5.7 aims to be the most secure MySQL Server release ever, and that means some significant changes in SSL/TLS.  This post aims to tie together individual enhancements introduced over the span of several Development Milestone Releases (DMRs) into the larger initiative.  In the simplest terms, we hope to have a minimal TLS configuration enabled by default, and for connections to prefer TLS by default.  Let’s dig into the various aspects of this:

Generation of TLS key material

MySQL Server has long supported TLS connections, yet very few deployments are actually configured to leverage this.  This is partly because creation …

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Different SSL setups for MySQL
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In this blog post I will describe different ways of using SSL with the MySQL database server.

What does SSL give you?

You might use MySQL replication over the internet or connect to MySQL over the internet.

Another posibility is that you connect over an enterprise network to which just too many people have access. This is especially an issue if you use an BYOD network.

SSL helps here by encrypting the network traffic to prevent against evesdropping. It also validates …

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Using a CRL with MySQL
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So assume you just uploaded the certificate you use to identify yourself to the MySQL server to Github or some other place it doesn't belong...and there is no undelete.

First: Don't panic.
Often a password is required besides a certificate to connect to the server. So someone with the certificate can't use it without the password. The certificate itself might be protected by a password, but that's really rare. Also access to MySQL and/or your account should be limited to certain IP's.






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The blog was down yesterday
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The brief outage was due to a scheduled move of the servers to a separate rack and subnet dedicated to our work with the Center for Information Assurance & Cybersecurity (ciac) at the University of Washington Bothell (uwb), and a11y.com

I am currently exercising the new (to us) equipment and hope to winnow the less than awesome equipment over the next quarter. I spent the last six months finding the best in breed of the surplussed DL385 and DL380 chassis we (work) were going to have recycled. The team and I were able to find enough equipment to bring up one of each with eight and six gigs of memory, respectively. These will make excellent hypervisors for provisioning embedded …

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Showing entries 1 to 6

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