آموزش LinuxCBT EL-4 Edition

این مجموعه آموزش ویدیویی محصول موسسه آموزشی LinuxCBT است که در قالب 5 حلقه CD و به مدت زمان 65 ساعت ارائه می گردد

Workstation Focus - Module 1

• Installations and Usage on Dell PowerEdge Hardware
  • Discuss features of RedHat® Enterprise Linux 4
  • Prepare images for network installation
  • Install RedHat Enterprise 4 Workstation on Dell Power Edge Server
  • Explore GNOME graphical environment
  • Introduction to Bourne Again Shell (BASH) - Globes/environment
  • Input (STDIN), output (STDOUT) and standard error (STDERR) redirection
  • Pipes
  • Command chaining
  • BASH for loops

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• Common BASH Shell commands - Command Line Interface (CLI)
  • pwd, touch, stat, ls - explore useful Linux system commands
  • echo, cat - expose ASCII text and integrate with files
  • cp - copy files
  • mv - move files throughout the file system
  • tar - explore features and advantages of tarballs
  • gzip, bzip2 - intetgrate with tar and examine Internet archive
  • diff - compare and contrast between 2 or 3 files - diff3
  • file - discuss logic used to ascertain file type
  • find - single and multiple expressions and criteria
  • slocate - Compare and contrast with find and create system-wide DB
  • w, wall, watch, whereis, which, who - Important w commands
  • ps & pstree- explore process lists
  • free & top - explore process management with top
  • seq, top, jobs, fg, kill, killall, bg - Manage processes using standard tools
  • Use grep to process lines
  • Use awk to process fields - 30
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• Common Network Clients & Utilities
  • nano editor
  • Convert Unix text files to Windows format using unix2dos
  • Convert Windows text files to Unix format using dos2unix
  • Retrieve local and remote mail with mutt Mail User Agent (MUA)
  • mount - Mount CDs and ISO images - create ISOs with mkisofs
  • FTP - explore the standard File Transfer Protocol (FTP) client
  • gFTP - Usge GNOME FTP to interact with remote FTP server
  • LFTP - basic usage, job control
  • LFTP - mirror and reverse mirror content - resume transmission
  • LFTP - batch, non-interactive, scripted mode
  • Introduction to SSH concepts, implementation, etc.
  • Use SSH Client to connect to remote Linux Systems using password authentication
  • Identify key SSH-client files (.known_hosts, public/private key pairs,etc.)
  • Authenticate to remote Linux systems using alternate credentials
  • Use Secure Copy Protocol (SCP) to move data between systems non-interactively
  • Use Secure File Transfer Protocol (SFTP) to move data between systems interactively
  • Demonstrate how to generate Public/Private key (RSA/DSA) pairs using SSH-Keygen
  • Demonstrate using SSH to authenticate to remote Linux hosts without passwords
  • Install RedHat Enterprise Workstation on Dell Laptop using HTTP
  • Generate Public Key/Private Key pairs for use with file and E-mail encryption
  • Demonstrate using E-mail client with GNU Privacy Guard (GPG) Open PGP for E-Mail encryption
  • Use Remote Desktop to connect to RDP & VNC remote Linux and Windows hosts
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System Configuration - Module 2

• Installation on Dell Poweredge Server
  • Prepare Sources on Apache HTTP server
  • Burn bootable CD with network drivers for network-based installation
  • Remove hardware-based RAID 0 configuration
  • Configure hardware-based RAID 5 logical storage
  • Commence software installation
  • Create custom partitions and mount points during installation
  • Configure X11 and confirm installation

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• System Initialization
  • Explore GRUB
  • Explore system recovery mode
  • Explore INIT
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• System V Linux Runlevel implementation
  • Identify key startup files, including scripts (inittab,Sscripts,Kscripts,etc.)
  • Explain GNU/Linux System V Init Runlevel (0 - 6) concepts & applications
  • chkconfig & ntsysv
  • Identify startup log files & entries using DMESG & exploration
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• Manage Users and Groups & Permissions
  • User and group creation & management concepts - passwd, shadow, group, gshadow files
  • Use system-config-users to create and manage users and groups
  • chmod/chown/chgrp
  • SETGID - Group collaboration
  • Explore Hard and Symbolic links including across disparate file systems
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• File System Management
  • FDISK
  • Create Standard Linux Partition
  • Make EXT2 File System & mount for general usage
  • Use tune2fs to upgrade EXT2 to EXT3 File System
  • Remove EXT2 partition and create EXT3-based parition
  • FSTAB - explore File System Table
  • Use FDISK to create a swap partition
  • Create Swap partition using MKSWAP & SWAPON
  • Provision additional swap space using swapon & swapoff
  • Explore GNU Parted as a partition and file-system management tool
  • Use Parted to create EXT?-based and Swap partitions
  • Logical Volume Management (LVM) - Discuss concepts and applications
  • Allocate partitions for usage with LVM
  • Create Physical Volumes
  • Create Volume Groups based on Physical Volumes
  • Create Logical Volumes based on Volume Groups
  • Prepare EXT3-based file systems on LVM-managed storage
  • Mount and use LVM Volumes
  • Resize LVM Volumes
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• Kickstart-based RAID Installation
  • Use Kickstart tool to configure automated kickstart process
  • Installation via HTTP using Kickstart
  • Discuss RAID concepts and configuration
  • Configure RAID disk partitions
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• RPM Package Management Tool Concepts & Usage
  • Query existing packages & file-based packages
  • Identify offline and online package repositories
  • Install packages
  • Upgrade packages
  • Freshen packages
  • Remove packages
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• Kernel Concepts and Management
  • Identify and discuss kernel implementation
  • Use kernel utils to identify modules and supported hardware
  • Discuss proper kernel update procedures
  • Download and Install the latest SMP-based kernel
  • Confirm results
  • Remove outdated kernel and confirm results
  • Download and Install the latest Uniprocessor-based kernel
  • Examine changes to GRUB and other key directory trees
  • SYSCTL - use to view and modify run-time variables
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Core Networking Services - Module 3

• Network - Physical & Logical Configuration
  • Identify key directories & files for static & dynamic communications
  • Configure Linux client with static TCP/IP parameters for network communication
  • Explore hotplug -> hwup -> ifup logic
  • Use ifconfig to ascertain logical TCP/IP configuration
  • Use hwinfo to ascertain installed hardware
  • Configure Aliased Ethernet Interfaces to faciliate multiple IP addresses

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• Explore System Logging via SYSLOG and Logrotate
  • Explore Boot log & System Log
  • Explore dmesg
  • Explanation of syslog facilities & levels
  • Demonstrate syslog administration
  • Enable SYSLOG network listener
  • Demonstrate Cisco PIX Firewall to Linux SYSLOG functionality
  • Explore automatic log rotation and customization via Logrotate
  • Configure Logrotate to rotate & compress sample log files
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• Implement Network Time Protocol (NTP) Client/Server
  • Configure Network Time Protocol (NTP) to perform client/server time synchronization
  • Synchronize SUSE Enterprise Linux NTP with additional Linux Stratum 2 NTP server
  • Synchronize against Stratum 1 NTP servers
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• Dynamic Host Configuration Protocol (DHCP)
  • Explain DHCP Concepts & Applications
  • Explore DHCP confiuration files
  • Configure DHCP subnet with applicable options
  • Configure DHCP Reservation based on layer-2 address
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• Domain Name System (DNS)
  • Configure BIND as a caching-only DNS server
  • Implement Master DNS Zone
  • Configure Reverse Zone for local subnet
  • Implement Dynamic Domain Name System (DDNS) Zones (Forward/Reverse)
  • Explain DHCP and DNS update integration options
  • Integrate DHCP with DNS via Encypted Transaction Signatures (TSigs)
  • Configure Windows 2003 Active Directory to publish DNS Records to Linux Server
  • Examine Windows 2003 SRV Records
  • Configure Master/Slave Zones with Linux Server
  • Evaluate results of BIND configuration using DIG & host
  • Implement DNS sub-domains (Third-level domains)
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• CRON - System Scheduler
  • Explore Cron Implementation
  • Explain scheduling options
  • Global and scope-based Cron options
  • Schedules jobs to run & examine the output
  • Configure individual Crontab entries
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• Samba Implementation
  • Implement Linux & Windows Integration via Samba
  • Explore Samba Configuration files
  • Implement SMBFS integration with SUSE Enterprise Linux File System
  • Mount Windows shares seamlessly using Samba File System (SMBFS)
  • Configure FSTAB to support repetitive mounts
  • Implement secure SMBFS credentials for mounting
  • Install Samba Server support
  • Install Samba Web-based Administration Tool (SWAT)
  • Configure Samba file sharing
  • Configure Samba with multiple NETBIOS aliases
  • Install Active Directory (AD) on Windows 2003 Host
  • Configure Samba-Active Directory Integration
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• Very Secure VSFTPD File Transfer Protocol (FTP) services
  • Implement anonymous FTPD
  • Implement user-level FTPD access
  • Implement FTPD banners
  • Disable anonymous access
  • Configure VSFTPD to chroot jail users into their home directories
  • Implement bandwidth rate-limiting to control bandwidth usage
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• Network File System (NFS) Implementation
  • Implement NFS Server
  • Export shares and discuss options
  • Mount NFS exports on remote Linux Host
  • Implement AutoFS
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• Trivial File Transfer Protocol (TFTP) Implementation
  • Install TFTP server
  • Backup Cisco PIX firewall configuration using TFTP
  • Update Cisco PIX firewall configuration using TFTP
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Apache - MySQL® - PHP (LAMP) - Disc 4

• Apache Web Server Implementation
  • Discuss Apache server's features and concepts
  • Examine Apache-RedHat HTTPD CONF hierarchy
  • Examine various configuration files
  • Implement Apache Mod Alias and ScriptAlias
  • Follow SYMLINKS
  • Discuss and implement the Directory directive
  • Restrict access to content based on IPs and subnets
  • Implement user home (public_html) directories for personal web-publishing
  • Configure .htacess file with directives
  • Configure IP-based Virtual Hosts
  • Configure Name-based Virtual Hosts
  • Implement Basic and digest authentication schemes
  • Explore Apache logging semantics
  • Implement Apache logging system per virtual host
  • Webalizer Log Analysis software Implementation
  • Generate web reports using Webalizer
  • Perl CGI - Implementation

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• MySQL® Relational Database Management System
  • Install MySQL® Relational Database Management System
  • Secure access to MySQL®
  • Explore MySQL® monitor shell-based interface
  • Create sample MySQL® databases
  • Load external data-set from Linux
  • Load external data-set from Windows
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• PHPMyAdmin - MySQL® Web-based Management Interface
  • Install PHPMyAdmin for web-based management of MySQL instances
  • Explain & Secure access to PHPMyAdmin
  • Explore PHPMyAdmin's interface
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• Postfix Message Transfer Agent (MTA)
  • Introduction to Sendmail Implementation
  • Configure Postfix as default MTA
  • Introduction to Postfix Message Transfer Agent (MTA)
  • Explore the directives in the Postfix configuration files
  • Define default values for the FQDN
  • Alter myorigin and examine results
  • Configure Postfix to route messages using a Smarthost
  • Examine how Postfix delivers mail locally
  • Configure SMTP Relaying in Postfix
  • Use Mutt to demonstrate outbound mail handling using Postfix
  • Define SMTP Virtual domains for hosting multiple DNS domains
  • Configure Postfix with a production LinuxCBT DNS domain
  • Examine Virtual domain routing with production and non-production DNS domains
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• Internet Messaging Access Protocol (IMAP) - Dovecot
  • Explain IMAP concepts and applications in comparison to POP3
  • Implement IMAP services
  • Connect to IMAP services from remote Windows Outlook Express client
  • Implement IMAPS
  • Generate new self-signed SSL certificate for use with IMAPS
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• Squirrel-mail Web-based Mail Interface Implementation
  • Describe required squirrel mail components for web-mail integration
  • Install squirrel mail on SUSE Enterprise Linux system
  • Configure Apache virtual directory for squirrel mail integration
  • Configure Apache Virtual Host for squirrel mail integration
  • Configure BIND DNS services for squirrel mail integration
  • Explore squirrel mail's web-based interface
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• XMPP - Enterprise Instant Messenger - Jive Messenger
  • Download and Install Jive Messenger
  • Configure Jive Messenger for usage
  • Evaluate IM-connectivity from Linux Jabber-compliant client
  • Evaluate IM-connectivity from Windows Jabber-compliant client
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Security Implementation Techniques - Module 5

• System Audit & Lockdown
  • Identify tools to perform system audit
  • Ascertain and document current system state
  • Close all superflous services
  • Bind necessary services (daemons) to necessary interfaces and logical addresses
  • Establish security configuration baseline

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• NMAP - Port Scanner and Vulnerability Assessment Tool
  • Obtain, and install current version of NMAP
  • Identify commonly used NMAPoptions/switches/parameters
  • Explain typical TCPhandshake protocol while using NMAP
  • Identifiy key NMAP configuration files
  • Use NMAP to perform operating system fingerprinting
  • Peform subnet-wide ethical scans
  • Perform default TCPSYN-based ethical scans of local and remote resources
  • Examine the results of scans on remote Cisco firewall with debugging mode enabled
  • Perform default TCPConnect-based ethical scans of local and remote resources
  • Examine the results of scans on remote Cisco PIXFirewall with debugging mode enabled
  • Use NMAPto scan using aliased and spoofed IP addresses
  • Peform local ethical scans
  • Explore NMAP Front-End Graphical User Interface (GUI)
  • Discuss NMAP's features and applications
  • Perform Connect/Syn/Fin and various ethical port-scans
  • Perform service exposure scans
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• XINETD (Enhanced & Secure INETD Super Server Implementation)
  • Identify key XINETD configuration files
  • Explain the contents and structure of xinetd.conf
  • Restrict access to various daemons/services based on hosts & subnets
  • Lockdown XINETD-controlled services
  • Configure XINETD to restrict number of spawned instances of daemons/services
  • Configure XINETD to bind daemons/services to specific sub-interfaces (Virtual IP addresses)
  • XINETD logging
  • Explore additional XINETD features

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• TCP Wrappers concepts & applications
  • Identify primary package and key TCP Wrappers configuration files
  • Demonstrate disabled TCP Wrappers configurations by attempting connectivity
  • Examine pre and post TCP Wrappers configuration effects
  • Implement TCP Wrappers for common services
  • Test local & remote access to TCP Wrappers-protected host & services

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• IPTABLES (Netfilter Linux Kernel-based Firewall)
  • Discuss IPTABLES/Netfilter Concepts
  • Explore default tables and chains
  • Define and test INPUT chains
  • Define and test OUTPUT chains
  • Create user-defined chain and evaluate results
  • Explain IPTABLES default chains/filters and policies
  • Examine TCP/ICMP communications pre-IPTABLES chains
  • Implement ICMP inbound filtration based on various hosts
  • Use Cisco PIX Firewall to verify ICMP debugging
  • Filter traffic based on Layer-4 TCP/UDP (Source/Destination Ports) information
  • Restrict access to various daemons (SSH/FTP/HTTP/etc.)
  • Test connectivity locally and remotely (RedHat/Windows/etc.)
  • Implement IP Forwarding between disparate subnets
  • Implement Network Address Translation (NAT)

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• Nessus Vulnerability Scanner
  • Download and Install Nessus Vulnerability Scanner
  • Install missing system dependencies
  • Generate self-signed SSL certificates
  • Perform basic Nessus system configuration and start the daemon
  • Use Nessus Linux client to connect to Nessus Server and perform scans
  • Examine resuls of scanning Windows 2003 Host
  • Examine resuls of scanning Cisco PIX Firewall Appliance

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• Secure Shell Daemon - Secure Communications Implementation
  • Explore SSHD key configuration files
  • Restrict access to SSHD
  • Explore SSHD logging
  • Configure PVPNs with local port forwarding
  • Configure PVPNs with remote port forwarding
  • Execute remote commands in non-interactive mode using SSH
  • Discuss forced-commands framework
  • Configure SUSE Enterprise to accomodate forced-commands
  • Test forced-commands for pre-configured accounts for push/pull secure transactions
  • Integrate SSHD with Windows 2003 Server and PuTTY SSH client
  • Implement PKI with PuTTY SSH
  • Use PSCP and PSFTP to communicate securely from Windows® 2003 to SUSE® Linux

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• Snort® 2.x Network Intrusion Detection System (NIDS)
  • Obtain, and install pre-requisites (libpcap/libpcre/etc.)
  • Obtain, compile and install the Snort® Network Intrusion Detection System (NIDS)
  • Identify and explain key operating modes (Sniffer/Logger/NIDS)
  • Explore in network sniffer mode
  • Explain OSI Model and relevant sniffing options
  • Explore Snort® in ASCII and Binary (TCPDUMP) logging modes
  • Output logs to ASCII text format and examine the results
  • Output logs to binary format and examine the results
  • Implement Snort® with BPF to filter traffic
  • Generate traffic from remote Windows 2003 and Linux hosts
  • Use Snort® with Berkeley Packet Filter (BPF) to parse logs
  • Implement Snort® in NIDS modes
  • Explore the snort.conf file and discuss rules
  • Explain Logging and Alerting output options
  • Perform port-scans from remote Linux systems and analyze Alerts
  • Configure Snort® to log to SYSLOG

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