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Securing Ajax Applications
book

Securing Ajax Applications

by Christopher Wells
July 2007
Intermediate to advanced content levelIntermediate to advanced
256 pages
6h 19m
English
O'Reilly Media, Inc.
Content preview from Securing Ajax Applications

Host Security

Image your web server as a gladiator about to go into battle. If it's going to have any chance of survival it must be battle ready. Basically, you want something more like Russell Crowe and less like Mel Brooks.

Additionally, the server should be hardened as though there were no firewall on the network. Firewalls, such as in the case of port 80, are not a silver bullet. Servers behind firewalls can still be compromised. So, each server needs to look after and take care of itself.

In the following section I am going to build a secure server using a distribution of Linux called Ubuntu Server Edition. However, most, if not all, of these concepts can be applied equally to other operating systems.

Ubuntu

Ubuntu comes from an African word, meaning humanity to others. The Ubuntu distribution of Linux brings the spirit of Ubuntu to the software world.

Built on a branch of the Debian distribution of Linux—known for its robust server installations and glacial release cycle—the Ubuntu Server has a strong heritage for reliable performance and predictable evolution. The first Ubuntu release with a separate server edition was 5.10, in October 2005. Figure 4-2 shows the bootup screen for the Ubuntu server installation disk.

The Ubuntu installation screen

Figure 4-2. The Ubuntu installation screen

A key lesson from the Debian heritage is that of security by default. The Ubuntu Server has no open ports after installation ...

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Publisher Resources

ISBN: 9780596529314Errata Page