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If you're running nginx there's a few serious security advisories for this web server, if not you can stop reading now and delete this message.  :)

Advisories:  http://nginx.org/en/security_advisories.html

The default nginx package in Ubuntu 12.04 LTS uses version Version: 1.1.19, however the latest stable version that is patched is version 1.4.1.  To update Ubuntu to use this latest version you'd need to add a new repository that has the latest builds released faster then Canonical releases them.  Do the following:

sudo add-apt-repository ppa:nginx/stable -yes
sudo apt-get -y update
sudo apt-get -y upgrade

Also, if you haven't already, you might disable the server tokens so nginx doesn't report to the browser what version it is with every web request.

nano /etc/nginx/nginx.conf
Uncomment or add:   server_tokens off
sudo service nginx reload



Troy Murray
Information Technologist II
Michigan State University
College of Medicine
Life Science
1355 Bogue St, B-136D
East Lansing, MI 48824
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P: 517-432-2760
F: 517-355-7254
CompTIA Security+ certified
RedHat 5 Certified Technician
RedHat 5 Certified Systems Administrator
HL7 V2.6/2.5 Certified Control Specialist