By Aron Hsiao
This ebook is an introductory, tutorial-style textual content designed to offer the reader a robust foundational wisdom of securing a Linux procedure. This booklet teaches the reader how one can securely set up and run Linux because it comes shipped from such a lot Linux vendors. so much different titles during this marketplace specialise in using instruments and software program now not often incorporated with Linux. Our strategy teaches basics the reader can take to different working platforms. this article is designed to supply a easy advisor to resolving safeguard thinking about using Linux in pc, small server, or small community environments.
- Covered issues comprise the following:
- Securing community companies comparable to Samba and NFS
- Installation safeguard details
- Firewalling with ipchains and iptables
- Intrusion detection, auditing, and monitoring
- BIOS and motherboard protection issues
- Kerberos authentication
- Data encryption
- Eliminating identity and gadget risks
- Preserving data
- Steps to take if hacked
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Additional info for Sams Teach Yourself Linux Security Basics in 24 Hours
SuSE seems to have paid more attention to Linux security than has Red Hat or Caldera; SuSE Linux includes some tools (for example, port scanners) that have definite security uses and that are not included on distribution CDs from other vendors. The YaST administration tool used by SuSE also has some explicitly security-oriented options related to firewalling and packet filtering. On the other hand, some users have complained that SuSE places configuration files in unusual places, in anticipation of automated management by proprietary tools.
The average workstation will be connected to a number of input/output devices that are necessary for the work at hand. Input devices like sketchpads or tablets, printers, scanners, and digital cameras or camcorders are all examples of such devices. Entire subsystems like parallel-port or USB support become important above and beyond all else. Unfortunately, because many of these devices are relatively new to the world of computing, support for the particular device or devices you need to use with a workstation may not exist in Linux kernel releases just a few months old.
Thus, for any role other than workstation, a point-oh release isn’t a good idea. This kind of early release isn’t yet widely tested; numerous outstanding bugs and vulnerabilities are likely to remain, and these won’t be fixed until the point-one, point-two, or later releases. In fact, many administrators have the general policy of using the final release of a previous generation product for production machines. 0. While this logic doesn’t always hold true in the industry, it illustrates the point nicely.