Introduction to Security
- Describe computer security.
- Distinguish between the different types of security.
- Identify the common security threats.
- Understand and implement physical security.
Guidelines and Policies
- Plan your security needs.
- Identify the assets you want to protect.
- Identify the threats to your organization.
- Create a simple security policy and make a risk assessment.
Local Security
- Authentication:
- Security in NT, UNIX, LINUX
- Implement a secure user and group scheme.
- Implement a secure password policy.
- Implement secure file and directory structures.
- Understand encryption techniques.
- Pretty Good Privacy
- Secure Socket Layer
- Use System logging facilities.
- Learn about backup tools to implement a local fallback strategy.
Protecting the dial-in connection
- Dial Back
- PPP
- Authentication solutions based on :
- Questions and answers: RADIUS, LDAP server, TACACS
- Using a certificate authority: RSA Security
- Security Cards
- Using packet filters to preventing unwanted access from external networks
KERNEL SECURITY
- How to arm your kernel?
- Implement kernel security options.
- Compile, configure and install a kernel with security options enabled.
Network Security
- Review the security implications of local area network traffic.
- Understand the way UNIX and Linux can be protected through inetd and tcpwrappers.
- Understand the security risks when running Telnet, ftp, DNS, mail, Apache (WWW) and NFS services.
- Understand the common denial of service attacks: IP masquerading, IP spoofing, port scanning, Stealth Scanning, SOCKS, Ping of Death, Syn Attacks, Protocol analyzers
- Understand the basic principles of firewall technology.
Security Tools
- Choose the security tools appropriate for your organization.
- Become aware of the, growing, amount of Open Software Security tools available : CERT,COAST,SATAN,ISS
- Understand the SAINT and Tripwire administrative tools.
IP and Security
- VPN: Virtual Private Networks
- PPTP: Point-to-point tunneling
- IPSec: IP layer security
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