'Passwd file' presentation slideshows

Lecture 4: Unix Security Basics

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Chapter 4

Chapter 4. Hacking Windows . Last modified: 2-5-09. Reasons for Windows Security Problems. Popularity & Complexity Backward Compatibility Very important at businesses Enabled by default Causes many security problems Proliferation of features. Windows is Improving.

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Week Eleven Agenda

Week Eleven Agenda. Announcements Open Source Presentation dates April 4 and 11 Lab Assignment 11-1 No script logic Link of the week Review week ten lab assignment Week ten expected outcomes Next lab assignment Break-out problems Upcoming deadlines Lab assistance. Link of the week.

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Agenda

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System Administration

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Network Security

Network Security. Justin Weisz jweisz@andrew.cmu.edu. A Brief History of the World. Overview. What is security? Why do we need security? Who is vulnerable? Common security attacks and countermeasures Firewalls & Intrusion Detection Systems Denial of Service Attacks TCP Attacks

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Network Security

Network Security. Justin Weisz jweisz@andrew.cmu.edu. A Brief History of the World. Overview. What is security? Why do we need security? Who is vulnerable? Common security attacks and countermeasures Firewalls & Intrusion Detection Systems Denial of Service Attacks TCP Attacks

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UNIX Technical Audit

UNIX Technical Audit. UNIX Architecture. Multi-user, multi-processing system Kernel: Primary control program Daemons: System control processes Manages system resources Shared by multiple users Run with Kernel authority. UNIX Architecture (Cont.).

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6. Adding New Users

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Introduction to UNIX

Introduction to UNIX. A. Basic Environment. Performance Objectives. Capabilities you should be able to perform following this module . 1. Describe the four functional parts of UNIX. 2. List three primary functions of the C Shell. 3. Log ON/OFF, view MOTD ( logout, exit, sync ).

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Introduction to UNIX

Introduction to UNIX. A. Basic Environment. Performance Objectives. Capabilities you should be able to perform following this module . 1. Describe the four functional parts of UNIX. 2. List three primary functions of the C Shell. 3. Log ON/OFF, view MOTD ( logout, exit, sync ).

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Module 13 System and User Security

Module 13 System and User Security. Exam Objective 5.1 Basic Security and Identifying User Types. Objective Summary Working with Root and Standard Users System Users. User accounts and passwords. User accounts. Files in the /etc directory contain account data.

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The Internet Worm Incident

The Internet Worm Incident. Author: Eugene Spafford Presenter: Jason Small. What / Where / When. Approximately 10% of the 60,000 computers connected to the Internet were shut down from November 2 to November 4, 1988

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Historia de Solaris

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System Data and Information

System Data and Information. systems files include password, group, hosts, services, etc. traditionally, systems files are in ASCII text format portable human readable contemporary usage calls for cleanly structured, possibly binary files for optimum performance, security. passwd File.

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2-UNIX Live Response

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CYB 130 RANK Education Begins--cyb130rank.com

is a truly special teacher is very wise and sees tomorrow in every studentu2019s eyest

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CYB 130 RANK Dreams Come True / cyb130rank.com

__is a truly special teacher is very wise and sees tomorrow in every studentu2019s eyest

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Linux Users and Groups

Linux Users and Groups. The passwd file. All Linux users of a system are represented in a file found in /etc/ passwd . As far as the kernel is concerned, it uses only uid number , it is not aware there is a user name in plain text. These uid numbers can be found in the passwd file.

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