By Thomas Erl
A hands-on advisor to keeping Linux info from safeguard dangers. Introduces readers to the seven lethal sins of Linux safeguard, displaying tips on how to organize firewalls, holiday in case reports, block junk mail, advance inner safety regulations, and get over an intrusion quick. Softcover. DLC: Linux.
Read or Download Real World Linux Security: Intrusion Prevention, Detection and Recovery PDF
Best unix books
This can be the definitive connection with the GCC open-source compiler. Get updated details at the most up-to-date features--including compiling Java code, construction functions utilizing a number of languages, utilizing the debugger, linking, libraries, and masses extra.
A close and functional consultant to DNS implementation, configuration, and management Technically designated with useful recommendations entire consultant to configuration and management of DNS servers Covers DNS Extensions, delegation, and registration intimately The area identify approach is among the foundations of the net.
First this ebook explains how Pluggable Authentication Modules (PAM) simplify and standardize authentication in Linux. It indicates intimately how PAM works and the way it's configured. Then eleven universal modules used throughout UNIX/Linux distributions are tested and defined, together with all their parameters. install of third-party modules is mentioned, and the improvement of latest modules and PAM-aware purposes is printed.
Simply Say No to Microsoft - starts off via tracing Microsoft's upward push from tiny software program startup to monopolistic juggernaut and explains how the company's practices through the years have discouraged innovation, stunted pageant, and helped foster an atmosphere ripe for viruses, insects, and hackers. Readers find out how they could unload Microsoft items - even the home windows working procedure - and stay efficient.
- Hack Attacks Revealed: A Complete Reference for UNIX, Windows, and Linux with Custom Security Toolkit (2nd Edition)
- Grep Pocket Reference
- Linux Complete Command Reference
- LPIC Prep Kit 101 General Linux I (Exam guide
Extra resources for Real World Linux Security: Intrusion Prevention, Detection and Recovery
Because the concept of a password is a sequence of characters known only to the person or persons allowed to use an account, a password should be hard for either someone who knows the person or a stranger to guess. The ispell dictionary on most Linux systems allows easy breaking of weak passwords. net/pub/crypto/wordlists/ Most distributions now offer shadow passwords, kept in the /etc/shadow file only readable by root. This prevents a cracker from copying the world-readable / etc/passwd to his system and running a password cracking program like John the Ripper and then logging in as root.
All a user needs to do is to alter this form and give himself a discount. Very little skill is required for a user to use this exploit. Many sites never detect the loss. 0 have this "price in the form" bug and that even though this bug was widely known for four months, the vendor has chosen not to repair this  problem. ● ● If possible enumerate the allowed values instead of using ranges. Understand, too, that an evil Web client can send any bytes back to your server. The cracker might copy and alter your Web form so that, even if your form pops up a list of the member European Union countries, she could supply crash_with_a_long_name_having_control_characters ● Use a secure language.
Dobb's Journal. His article provided some inspiration for this section. Book: Real World Linux® Security: Intrusion Prevention, Detection, and Recovery Section: Chapter 2. 2 The Seven Most Deadly Sins Danger Level These are the seven common problems most likely to allow major damage to occur to your system or bank account. If any of these are currently a problem on your systems, you should take care of them immediately. 1 Weak Passwords (#1) As a system administrator, you are aware of the system breaches possible on your Linux machine.