In this second part you will learn about creating user accounts, SKEL directory and virtual hosting configuration under chrooted Apache jail.
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From the category archives:
Apache
A chroot on Red Hat / CentOS / Fedora Linux operating changes the apparent disk root directory for the Apache process and its children. Once this is done attacker or other php / perl / python scripts cannot access or name files outside that directory. This is called a “chroot jail” for Apache. You should never ever run a web server without jail. There should be privilege separation between web server and rest of the system.
In this exclusive series, you will learn more about:
- Securing an Apache 2 web server under Red Hat Enterprise Linux / CentOS Linux using mod_chroot
- Virtual hosting configuration
- Troubleshooting Chrooted Apache jail problem.
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Debian 5 php5 package has serious security issues as follows:
To prevent Denial of Service attacks by exhausting the number of available temporary file names, the max_file_uploads option introduced in PHP 5.3.1 has been backported.
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A few days ago I noticed that NFS performance between a web server node and NFS server went down by 50%. NFS was optimized and the only thing was updated Red Hat kernel v5.2. I also noticed same trend on CentOS 5.2 64 bit edition.
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This is 3rd and the final installment for Urchin 6 web analytics software series. Once Urchin is installed, you need to configure tracking on your website. You need to install Urchin sensors – a small piece of javascript tracking code on each of your website’s pages.
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Urchin software comes with a number of utility programs that are used for diagnostic and configuration purposes. Let us see how to Linux tools to configure basic options.
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Web analytics is the study of online behaviour in order to improve it. There are two categories; off-site and on-site web analytics. Google’s Urchin 6 can be installed under Linux kernel 2.6 or 2.4 for Apache web log analysis. Urchin 6 is just like Google Analytics the most widely used hosted web analytics system. It is targeted at ecommerce web sites or enterprise users behind firewalls. In this mini series you will learn about installing and using web log analysis software called Google Urchin 6 under Red Hat Enterprise Linux 5.x.
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