<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body text="#000000" bgcolor="#FFFFFF">
<p>Hi Kevin,</p>
<p>Short answer, no. In more detail, the database server sits behind
a Classic Elastic Load Balancer. In order to scale with traffic
Amazon dynamically associate IPs of other load balancers to this
as required. The only stable record I'm afraid is the DNS CNAME.
There's an old, but good article explaining it here:</p>
<p><a class="moz-txt-link-freetext" href="https://aws.amazon.com/articles/best-practices-in-evaluating-elastic-load-balancing/">https://aws.amazon.com/articles/best-practices-in-evaluating-elastic-load-balancing/</a><br>
</p>
<p>Amazon have recently released a 'Network Load Balancer', which
can have static IPs, but our architecture does not allow to use
this.</p>
<p>Can you speak again with your IT colleagues ? I am not a
specialist in this area so I will talk next week with members of
the EMBL-EBI network team to see if they can suggest any ways
around this.<br>
</p>
Regards,<br>
<br>
Steve<br>
<br>
<div class="moz-cite-prefix">On 07/02/2018 22:06, Ernst, Kevin
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:ec551909-3b0d-872e-1d80-63768d85a720@cchmc.org">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<tt>Hello all,<br>
<br>
I'm working with the administrators of our in-house HPC cluster
to make firewall exceptions for the (US East) Ensembl MySQL
servers.<br>
<br>
Our IT staff had an exception for the 'useastdb' server at one
point, but apparently the IP changed, and they're only able to
enact firewall exceptions based on IP addresses.<br>
<br>
I can see that the DNS record currently points to an AWS host
(or hosts). Are the corresponding IP addresses static, or are
they likely to change without notice (<i>e.g.,
</i>after the next reboot or if a DHCP lease expires)?<br>
<br>
(I know very little about AWS, but I imagine that getting a
fixed IP reservation is something Amazon would want to charge
you extra money for.)<br>
<br>
Thanks for your insights.<br>
<br>
--Kevin<br>
</tt>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
<pre wrap="">_______________________________________________
Dev mailing list <a class="moz-txt-link-abbreviated" href="mailto:Dev@ensembl.org">Dev@ensembl.org</a>
Posting guidelines and subscribe/unsubscribe info: <a class="moz-txt-link-freetext" href="http://lists.ensembl.org/mailman/listinfo/dev">http://lists.ensembl.org/mailman/listinfo/dev</a>
Ensembl Blog: <a class="moz-txt-link-freetext" href="http://www.ensembl.info/">http://www.ensembl.info/</a>
</pre>
</blockquote>
<br>
</body>
</html>