All pages tagged with root
Hardning the Linux Kernel
This 26 page paper explores two approaches for hardening the standard Linux kernel. Address space or memory protection and access control. The author covers several well known hardening tips, including ...
Document added on March 12, 2011Malicious Hackers and Spam, Part 2
I discovered that a spammer was using the client's server to relay spam. Although the server wasn't an open relay, the spammer was somehow authenticating to the server to send ...
Document added on Feb. 28, 2011Building a Secure User Environment with SSH ChRootGroups
With SSH version 2.1.0, SSH Communications Security introduced the ChRootGroups feature; which provides a quick and easy way for administrators to lock users inside a chrooted cage.
Written by: Blake R. Swopes and added on May 4, 2011An Evening with Berferd
On 7 January 1991 a cracker, believing he had discovered the famous sendmail DEBUG hole in our Internet gateway machine, attempted to obtain a copy of our password file. I ...
Document added on March 14, 2011Ten Steps to a Cleaner Web Root
The first security policy I always implement for a web site is to keep the webroot clean. You cannot keep a secure site that is filled with clutter. Clutter includes ...
Document added on March 8, 2011What You Don't See On Your Hard Drive
This paper will address two security concerns that I found very interesting. They both have to do with things that are not in plain sight. The first security concern covers ...
Written by: Brian Kuepper and added on Jan. 10, 2011Nokia IPSO Boot Manager Upgrade Instructions
As the title suggest I documented this process while upgrading an IP330, these steps may or may not be the same for other Nokia IP products.<br></br><br>Download file</br><br>Go to https://support.nokia.com and ...
Written by: Mitchell Rowton and added on March 2, 2011Using Chroot Securely
The chroot() function can be a powerful mechanism to secure your system, but only if used correctly. Anton provides a good foundation for implementing it in your programs and services ...
Written by: Anton Chuvakin, Ph.D. and added on March 6, 2011Googling Up Passwords
I'm not putting down Google. Far from it: it's a great search engine, and I use it all the time. I couldn't do my many jobs without Google, so I've ...
Written by: Scott Granneman and added on March 6, 2011Building a Secured OS for a Root Certificate Authority
This paper discusses the procedures necessary for securing an installation of Red Hat Enterprise Server 2.1 in support of a root certificate authority that will eventually function in the Higher ...
Written by: Don Murdoch, and added on May 4, 2011