LinuxCBT Deb7x Edition-0daytown

LinuxCBT Deb7x Edition

Features Discussion and Various Installations
– Enumerate relevant features
– Discuss platform support
– Installation preparation
– Obtain relevant ISO image
– Prepare VMWare environment to support Debian
– Install and evaluate
– Update network configuration
– Prepare environment for rapid implementation
– Clone instance and modify accordingly
– Evaluate cloned resource as needed
– Prepare Debian for Xen VM installation
– Provision resources for Xen
– Install on Xen as HVM and evaluate

Basic Debian GNU/Linux Skills
Explore usage of the following useful commands
– ls, pwd, cd, cp, mv, rm, mkdir, rmdir, whoami, tty
– cat, file, chmod, chown, history
– STDIN, STDOUT, STDERR, UNIX Pipes, Redirection, Command Chaining
– ps, df, free, top, kill
– less & more, head & tail, find
– stat, which, w, who
– dig (Domain Information Groper) – used to query DNS servers
– Tar and compression utilities with tar|gzip|bzip2
– Use checksum programs to confirm content integrity
– Explain UNIX/Linux file security & permissions
– Symlinks | Hard Links | Soft Links | Special Bits

Storage Management
– Explore disk topology with FDISK
– Provision EXT4 File Systems as needed
– Provision additional Storage partitions using Parted
– Provision additional Swap storage
– Use MKSWAP & SWAPON to enable additional Swap storage
– Update File System Table (FSTAB) to reflect system changes
– Explore Logical Volume Management (LVM) Configuration
– Create volume sets using: Logical Volume Management (LVM)

Package Management
– Explain classes of Debian GNU/Linux Packages
– Identify Debian GNU/Linux Package Management Tools
– Inventory currently installed DEB packages
– Identify key Advanced Package Tool (APT) configuration files
– Search for Debian GNU/Linux packages using Advanced Package Tool (APT)
– Install/Update/Remove software using APT
– Configure APT to query multiple sources for packages
– Peruse package repository using ‘dpkg’
– Configure APT to install packages from varying versions of Debian GNU/Linux
– Use Aptitude to manage Debian GNU/Linux packages
– Discuss various package management options
– Explore package management repositories
– Use DPKG to install a .deb package
– Install packages using ‘apt-get’
– Manage packages using ‘aptitude’

System Control
– Peruse key directories used by Kernel
– Discuss hierarchy as applied to functioning system
– Identify supported settings
– Influence settings real time and evaluate
– Committ settings for persistence
– Confirm persistence of directives
– Discuss various possible system tweaks

Screen TTYs | PTYs
– Discuss TTY | PTY limitations
– Identify opportunites to benefit from Screen
– Identify configuration environment
– Invoke and use screen natively
– Confirm persistence of TTYs | PTYs across sessions
– Share Screen sessions
– Confirm overall efficacy of Screen

Explore the CRON scheduling daemon & configuration
– Identify key Cron configuration scopes (Global & User)
– Explain Crontab file format and applicable options
– Define global cron jobs
– Define custom cron jobs user-wide
– Evaluate results of cron jobs

Core Network Services
– System Logging via RSyslog and Logrotate
— Discuss Syslog Facilities | Levels
— Explore default configuration
— Receive Syslog data via network
— Mirror Syslog log as needed
— Trap Infrastructure device logs and evaluate
— Explore log rotation and customization via Logrotate
— Discuss key log rotation use cases
— Configure Logrotate to rotate sample log files
— Evaluate results
– Common Network Utilities
— PING
— TELNET
— NETSTAT
— ARP
— TRACEPATH
— DIG

– Interface Configuration
— Explore network configuration tree
— Alter settings and evaluate
— Provision aliased interfaces as needed
— Confirm communications via various interfaces
— Committ configuration for persistence
— Provision interface configuration on various nodes
— Evaluate accordingly

– RSYNC Transmissions
— Discuss features and benefits
— Generate and move data between nodes as needed
— Confirm results
— Explore various rsync options
— Synchronize content as needed
— Evaluate rsync applicability

– Network Time Protocol Configuration
— Discuss applicability
— Install and explore default configuration
— Re-configure environment to suit internal requirements
— Confirm ntp strata assignments
— Ensure time synchronization across nodes

– Very Secure File Transfer Protocol Daemon (VSFTPD)
— Explain features and applicability
— Peruse default configuration
— Test anonymous FTP connectivity
— Secure configuration per general requirements
— Use various FTP clients to communicate with VSFTPD
— Enable local user access
— Jail users to $HOME – added security
— Evaluate results

– BIND Domain Name Server – DNS Implementation
— Implement BIND 9x
— Configure BIND as a caching-only DNS server
— Test caching-only name resolution from various nodes
— Configure primary DNS services
— Replicate primary content to secondary DNS node
— Confirm replication information
— Disable primary and evaluate secondary behaviour
— Vary TTLs of records and evaluate responsiveness
— Configure reverse DNS zone – IPv4
— Provision forward and reverse IPv6 records
— Confirm IPv[4|6] record resolution

– Windows Integration via Samba
— Explore default Samba footprint
— Use Samba clients to ascertain NETBIOS (SMB|CIFS) information
— Install Samba Server
— Configure User-level security and evaluate access
— Provision bridge user and test access
— Rationalize ineffectiveness of User-level security
— Contrast User | ADS security levels
— Install ADS support via Winbind and Kerberos
— Install Samba SWAT for streamlined web-based administration
— Connect Samba node to Active Directory Services (ADS)
— Confirm enumeration of ADS resources
— Test connectivity via: NETBIOS and SSH
— Evaluate results

– Apache HTTPD – Web Services
— Implement Apache Web Server
— Explore configuration hierarchy
— Discuss key directives
— Peruse Apache logging templates and defaults
— Vary logged information as needed
— Provision IP-Based Virtual Hosts (VHosts)
— Confirm distinct IP-Based connectivity to various sites
— Contrast IP-Based sites with default sites
— Conserve IP resources with Name-Based VHosts
— Contrast various VHost types
— Secure communications with Apache SSL | TLS
— Test connectivity to various SSL|TLS-enabled sites

– MySQL Installation | Administration
— Install MySQL Relational Database Management System
— Explore default client | server environment
— Use Terminal Monitor Client to ascertain DBMS details
— Secure DBMS – Remove superfluous accounts
— Create simple MySQL database with ‘mysql’ and ‘ssh’
— Install PHPMyAdmin for web-based management of MySQL
— Use PHPMyAdmin to ascertain DBMS details
— Test connectivity as various users
— Explore PHPMyAdmin’s interface
— Evaluate accordingly

– PHP Intro | CLI Script
— Explore default implementation
— Ensure proper PHP stack is installed
— Expose useful debug variables – Apache | PHP
— Write simple data copy CLI script – normalize file delimiters
— Evaluate results

– Postfix MTA
— Install Postfix MTA
— Introduction to Postfix Message Transfer Agent (MTA)
— Use Mutt to demonstrate outbound mail handling using Postfix
— Explore Postfix Configuration

– Post Office Protocol Version 3 (POP3)
— Explain POP3 concepts and applications
— Implement POP3 daemon
— Test basic $SHELL-based connectivity
— Use Mutt to send SMTP-based messages to POP3 account
— Configure MUA to interact with POP3 server
— Contrast clear-text and encrypted communications

– Internet Messaging Access Protocol (IMAP)
— Contrast IMAP with POP3
— Install IMAP server
— Fetch mail from IMAP server and evaluate
— Confirm secure communications
– Web-based Mail Implementation using Squirrel-mail
— Describe required squirrel mail components for web-mail integration
— Install squirrel mail on Debian GNU/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

– Improve Security Posture
— Update and Upgrade install Packages
— Identify changes across Nodes
— Secure content with GNU Privacy Guard (GPG)
— Explore benefits of various Secure Shell clients
— Peruse Secure Shell Server security
— Disable superfluous services
— Explore and tighten System Policy
— Login Definitions
— Evaluate Results

– NMap Security Scanner
— Obtain, compile and install current version of NMAP
— Identify commonly used NMAP options/switches/parameters
— Perform default TCP SYN-based ethical scans of local and remote resources
— Explain typical TCP handshake protocol while using NMAP
— Perform default TCP Connect-based ethical scans of local and remote resources
— Peform local ethical scans
— Identifiy key NMAP configuration files
— Use NMAP to perform operating system fingerprinting and versioning
— Peform subnet-wide ethical scans

– TCPDump Introduction | Usage
— Identify key tools
— Use TCPDump to capture traffic
— Apply Berkeley Packet Filters accordingly
— Capture and analyze traffic with Wireshark
— Evaluate Results

– IPTABLES (Netfilter Linux Kernel-based Firewall)
— Discuss features and benefits
— Explore IPTABLES default chains/filters and policies
— Filter traffic as desired
— Log filtered traffic and evaluate
— Filter traffic based on Layer-4 TCP/UDP (Source/Destination Ports) information
— Summarize rules with filtered groups of interesting traffic
— Restrict access to various daemons (SSH/FTP/HTTP/etc.)
— Test connectivity locally and remotely
— Ensure rules persistence across restarts

– Secure Key Services
— Identify remaining services
— Generate SSL | TLS Usage Keys
— Configure FTP Server with SSL | TLS
— Test secure communications with LFTP and FileZilla
— MySQL with Secure Shell Security
— MySQL with SSL | TLS Security
— Evaluate Results

– Snort® NIDS Introduciton | Usage
— Discuss features and benefits
— Explore online sources
— Install Snort Network Intrusion Detection System Packages
— Use Snort to intercept interesting traffic as Sniffer
— Log for archival purposes
— Apply BPFs as needed
— Parse captured traffic with common tools
— Explore NIDS configuration mode
— Evaluate results

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LinuxCBT Deb7x Edition

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