167 Linux courses delivered Live Online

Duration 5 Days 30 CPD hours This course is intended for This course is designed for individuals who have basic computer user skills and who are interested in obtaining a job as an entry-level IT technician. This course is also designed for students who are seeking the CompTIA A+ certification and who want to prepare for the CompTIA A+ Core 1 220-1101 Certification Exam and the CompTIA A+ Core 2 220-1102 Certification Exam. Overview On course completion, participants will be able to: Support operating systems. Install and configure PC system unit components and peripheral devices. Install, configure, and troubleshoot display and multimedia devices. Install, configure, and troubleshoot storage devices. Install, configure, and troubleshoot internal system components. Install, configure, and maintain operating systems. Maintain and troubleshoot Microsoft Windows. Explain network infrastructure concepts. Configure and troubleshoot network connections. Manage users, workstations, and shared resources. Implement client virtualization and cloud computing. Implement physical security. Secure workstations and data. Troubleshoot workstation security issues. Support and troubleshoot laptops. Support and troubleshoot mobile devices. Install, configure, and troubleshoot print devices. Implement operational procedures. CompTIA A+ certified professionals are proven problem solvers. They support today's core technologies from security to cloud to data management and more. CompTIA A+ is the industry standard for launching IT careers into today's digital world. It is the only industry recognized credential with performance-based items to prove pros can think on their feet to perform critical IT support tasks in the moment. It is trusted by employers around the world to identify the go-to person in end point management and technical support roles. CompTIA A+ is regularly re-invented by IT experts to ensure that it validates core skills and abilities demanded in the workplace. 1 - Installing Motherboards and Connectors Explain Cable Types and Connectors Install and Configure Motherboards Explain Legacy Cable Types 2 - Installing System Devices Install and Configure Power Supplies and Cooling Select and Install Storage Devices Install and Configure System Memory Install and Configure CPUs 3 - Troubleshooting PC Hardware Apply Troubleshooting Methodology Configure BIOS/UEFI Troubleshoot Power and Disk Issues Troubleshoot System and Display Issues 4 - Comparing Local Networking Hardware Compare Network Types Compare Networking Hardware Explain Network Cable Types Compare Wireless Networking Types 5 - Configuring Network Addressing and Internet Connections Compare Internet Connection Types Use Basic TCP/IP Concepts Compare Protocols and Ports Compare Network Configuration Concepts 6 - Supporting Network Services Summarize Services Provided by Networked Hosts Compare Internet and Embedded Appliances Troubleshoot Networks 7 - Summarizing Virtualization and Cloud Concepts Summarize Client-Side Virtualization Summarize Cloud Concepts 8 - Supporting Mobile Devices Set Up Mobile Devices and Peripherals Configure Mobile Device Apps Install and Configure Laptop Hardware Troubleshoot Mobile Device Issues 9 - Supporting Print Devices Deploy Printer and Multifunction Devices Replace Print Device Consumables Troubleshoot Print Device Issues 10 - Configuring Windows Configure Windows User Settings Configure Windows System Settings 11 - Managing Windows Use Management Consoles Use Performance and Troubleshooting Tools Use Command-line Tools 12 - Identifying OS Types and Features Explain OS Types Compare Windows Editions 13 - Supporting Windows Perform OS Installations and Upgrades Install and Configure Applications Troubleshoot Windows OS Problems 14 - Managing Windows Networking Manage Windows Networking Troubleshoot Windows Networking Configure Windows Security Settings Manage Windows Shares 15 - Managing Linux and macOS Identify Features of Linux Identify Features of macOS 16 - Configuring SOHO Network Security Explain Attacks, Threats, and Vulnerabilities Compare Wireless Security Protocols Configure SOHO Router Security Summarize Security Measures 17 - Managing Security Settings Configure Workstation Security Configure Browser Security Troubleshoot Workstation Security Issues 18 - Supporting Mobile Software Configure Mobile OS Security Troubleshoot Mobile OS and App Software Troubleshoot Mobile OS and App Security 19 - Using Support and Scripting Tools Use Remote Access Technologies Implement Backup and Recovery Explain Data Handling Best Practices Identify Basics of Scripting 20 - Implementing Operational Procedures Implement Best Practice Documentation Use Proper Communication Techniques Use Common Safety and Environmental Procedures

UNIX Virtualization and High Availability course description This course covers administering UNIX enterprise-wide with an emphasis on virtualization and high availability. What will you learn Manage Virtual Machines. Manage containers. Manage HA clusters. Manage HA cluster storage. UNIX Virtualization and High Availability course details Who will benefit: Enterprise-level UNIX professional. UNIX professionals working with virtualization and/or High availability. Prerequisites: Linux network administration 2 (LPIC-2) Duration 5 days UNIX Virtualization and High Availability course contents VIRTUALIZATION Virtualization concepts and theory Terminology, Pros and Cons of virtualization, variations of Virtual Machine monitors, migration of physical to VMs, migration of VMs between host systems, cloud computing. Xen Xen architecture, networking and storage, Xen configuration, Xen utilities, troubleshooting Xen installations, XAPI, XenStore, Xen Boot Parameters, the xm utility. KVM KVM architecture, networking and storage, KVM configuration, KVM utilities, troubleshooting KVM installations. Other virtualization solutions OpenVZ and LXC, other virtualization technologies, virtualization provisioning tools. Libvirt and Related Tools libvirt architecture, networking and storage, basic technical knowledge of libvirt and virsh, oVirt. Cloud Management Tools Basic feature knowledge of OpenStack and CloudStack, awareness of Eucalyptus and OpenNebula. Containers Containers versus VMs, Docker, Kubernetes. Load balanced clusters of LVS/IPVS, VRRP, configuration of keepalived, configuration of ldirectord, backend server network configuration. HAProxy, configuration of HAProxy. Failover clusters Pacemaker architecture and components (CIB, CRMd, PEngine, LRMd, DC, STONITHd), Pacemaker cluster configuration, Resource classes (OCF, LSB, Systemd, Upstart, Service, STONITH, Nagios), Resource rules and constraints (location, order, colocation), Advanced resource features (templates, groups, clone resources, multi-state resources), Pacemaker management using pcs, Pacemaker management using crmsh, configuration and management of corosync in conjunction with Pacemaker, other cluster engines (OpenAIS, Heartbeat, CMAN). HIGH AVAILABILITY CLUSTER STORAGE DRBD/cLVM DRBD resources, states and replication modes, configuration of DRBD resources, networking, disks and devices, configuration of DRBD automatic recovery and error handling, management of DRBD using drbdadm. drbdsetup and drbdmeta, Integration of DRBD with Pacemaker, cLVM, integration of cLVM with Pacemaker. Clustered File Systems Principles of cluster file systems. Create, maintain and troubleshoot GFS2 file systems in a cluster, create, maintain and troubleshoot OCFS2 file systems in a cluster, Integration of GFS2 and OCFS2 with Pacemaker, the O2CB cluster stack, other commonly used clustered file systems.

Asterisk training course description This 3 day hands on Asterisk training course covers all the ground for you to get an Asterisk PBX installed and configured. After installation the course progresses from a simple first configuration onto VoIP and PSTN integration along with the provision of PBX features such as ACD and IVR. Practical sessions follow each major section to reinforce the theory. What will you learn Install and configure Asterisk. Connect Asterisk to the Internet and PSTN. Integrate VoIP and the PSTN. Configure Asterisk for PBX features such as voicemail, ACD and IVR. Asterisk training course details Who will benefit: Technical staff working with or evaluating Asterisk. Prerequisites: None although hands on experience of UNIX systems would be beneficial, as would knowledge of VoIP. Duration 3 days Asterisk training course contents What is Asterisk? PBXs, what Asterisk does, Asterisk features, Asterisk VoIP support, Asterisk and the Internet, Asterisk and the PSTN, hosted VoIP systems. Asterisk installation Linux installation, Asterisk package compilation and installation. Timing sources. Hands on Installing Asterisk Managing Asterisk Starting/stopping Asterisk, command arguments, Asterisk commands, log files, logger.conf, remote management. Hands on Controlling Asterisk. First Asterisk configuration The role of SIP, IP phones, DHCP, IP addressing, sip.conf, extensions.conf. Hands on Simple SIP configuration Asterisk architecture Server hardware, interfaces, channels, Zaptel, Digium, Asterisk filesystem, connections. The configuration files, syntax, asterisk.conf. Hands on Adding hardware for Asterisk, exploring the configuration files. DAHDI configuration Digium hardware, DAHDI architecture, DAHDI installation, DAHDI configuration, system.conf, FXS, FXO, E1, chan_dahdi.conf, dahdi_cfg, DAHDI tools. Hands on Connecting Asterisk to the PSTN. Dial plans extensions.conf detail, contexts, priorities. Hands on Configuring dial plans. SIP configuration sip.conf in detail, defining SIP channels, incoming SIP channels, outgoing SIP channels, SIP variables, Asterisk as a SIP client and SIP server. Hands on SIP configuration. IAX configuration What is IAX, IAX server, IAX client, IAX channels, iax.conf, IAX syntax in extensions.conf, IAX trunking. Hands on Linking Asterisk systems. Implementing PBX functions Voicemail, voicemail trees, voicemail passwords, Music on hold, meetme conferencing, call parking. ACD, IVR, fax. Hands on Configuring PBX features.

Network automation training course description This course concentrates on the technical side of tools and languages for network DevOps rather than the soft skills. These tools include Python, Ansible, Git and NAPALM By the end of the course delegates should be able to recognise the tools that they can use to automate their networks and be able to use the knowledge gained to feel confident approaching network automation. What will you learn Describe network DevOps. Choose network automation tools. Explain the role of various network automation technologies including: Python Ansible Git NAPALM Network automation training course details Who will benefit: Those wishing to learn about the tools of network automation. Prerequisites: Introduction to data communications. Duration 1 day Network automation training course contents What is DevOps and network automation Programming and automating networks, networks and clouds, AWS, OpenStack, SDN, DevOps for network operations. Unit testing. Hype vs reality. Benefits and features. Network monitoring and troubleshooting Traditional methods, SNMP. Netflow and xflow. Traditional automation. Streaming telemetry. Event driven automation. gRPC, Protocol buffers. Configuration management Catch 22 and initial configuration. ZTP, POAP. Traditional automation. TFTP. Ansible vs the rest (chef, salt, puppet). Jinja2 and templating. How ansible works. Network programmability Programming languages. Linux, shell scripting. Python vs the rest. Off box vs on box automation. Python network libraries Sockets pysnmp, ncclient, paramiko, netmiko, pyez, NAPALM. APIs Proprietary APIs, CLI, NETCONF, RETCONF. YANG, XML, YAML, JSON. Other tools Git, GitHub, Jenkins, JIRA and others.

Definitive Puppet training course description Puppet is a framework and toolset for configuration management. This course covers Puppet to enable delegates to manage configurations. Hands on sessions follow all the major sections. What will you learn Deploy Puppet. Manage configurations with Puppet. Build hosts with Puppet. Produce reports with Puppet. Definitive Puppet training course details Who will benefit: Anyone working with Puppet. Prerequisites: Linux fundamentals. Duration 2 days Definitive Puppet training course contents Getting started with Puppet What is Puppet, Selecting the right version of Puppet, Installing Puppet, Configuring Puppet. Developing and deploying Puppet The puppet apply command and modes of operation, Foreground Puppet master, Developing Puppet with Vagrant, Environments, Making changes to the development environment, Testing the new environments with the Puppet agent, Environment branching and merging, Dynamic Puppet environments with Git branches, Summary, Resources. Scaling Puppet Identifying the challenges, Running the Puppet master with Apache and Passenger, Testing the Puppet master in Apache, Load balancing multiple Puppet masters, Scaling further, Load balancing alternatives. Measuring performance, Splay time, Summary, Going further, Resources. Externalizing Puppet configuration External node classification, Storing node configuration in LDAP, Summary, Resources. Exporting and storing configuration Virtual resources, Getting started with exported and stored configurations, Using exported resources, Expiring state resources, Summary, Resources. Puppet consoles The foreman, Puppet enterprise console, Puppetboard, Summary, Resources. Tools and integration Puppet forge and the module tool, Searching and installing a module from the forge, Generating a module, Managing module dependencies, Testing the modules, Developing Puppet modules with Geppetto, Summary, Resources. Reporting with Puppet Getting started, Configuring reporting, Report processors, Custom reporting, Other Puppet reporters, Summary, Resources. Extending Facter and Puppet Writing and distributing custom facts, Developing custom types, providers and functions, Summary, Resources, Complex data structures, Additional backends, Hiera functions in depth, Module data bindings, Hiera examples. Jiera-2, Summary, Resources. Mcollective Installing and configuring Mcollective, testing, Mcollective plugins, accessing hosts with Metadata. Hiera Lists, initial Hiera configuration, Hiera command line utility, complex data structures, additional backends, Hiera functions in depth, module data bindings. Hiera-2.

Duration 3 Days 18 CPD hours This course is intended for This course is for network managers, resellers, systems administrators, client security administrators, systems professionals, and consultants who are charged with the installation, configuration, and day-to-day management of Symantec Endpoint Protection in a variety of network environments, and who are responsible for troubleshooting and tuning the performance of this product in the enterprise environment. Overview At the completion of the course, you will be able to: Describe Symantec Endpoint Protection products, components, dependencies, and system hierarchy. Install and configure Symantec Endpoint Protection management and client components. Deploy Symantec Endpoint Protection Windows, Windows Embedded, Mac and Linux clients. Manage the client user interface. Manage content updates for Windows, Mac, and Linux. Perform server and database management. Configure replication and load balancing. Design a Symantec Endpoint Protection environment. This course is designed for the network, IT security, and systems administration professional tasked with architecting and implementing Symantec Endpoint Protection. Introduction Course overview The classroom lab environment Symantec Endpoint Protection Product Solution Why use Symantec Endpoint Protection? Symantec Endpoint Protection technologies Symantec Endpoint Protection services Symantec Endpoint Protection components Symantec Endpoint Protection policies and concepts Extending Symantec Endpoint Protection Installing the Symantec Endpoint Protection Manager Identifying system requirements Preparing servers for installation Installing and configuring the Symantec Endpoint Protection Manager Describing Symantec Endpoint Protection upgrades and version compatibility Configuring the Symantec Endpoint Protection Environment Starting and navigating the SEPM Describing policy types and components Console authentication Licensing the SEP environment Deploying Windows and Windows Embedded Clients Planning the client deployment Configuring client deployment package Deploying packages to clients Maintaining the client environment Upgrading Symantec Endpoint Protection clients Deploying Mac and Linux Clients Linux prerequisites Linux deployment Mac prerequisites Mac deployment Client and Policy Management Describing SEPM and client communications Administering clients Configuring groups Configuring locations Active Directory integration with SEP 12.1 Client configuration modes Configuring domains General client settings and Tamper Protection Configuring Content Updates for Windows Clients Introducing LiveUpdate Configuring the SEPM for LiveUpdate Configuring the LiveUpdate Settings and Content policies Configuring multiple group update providers (GUPs) Manually updating virus definitions Configuring Content Updates for Mac and Linux Clients Describing content update methods Configuring the LiveUpdate policy Configuring the SEPM as a reverse proxy Monitoring updates Performing Server and Database Management Managing SEPM servers Maintaining server security Communicating with other servers Managing administrators Managing the database Disaster recovery techniques Configuring Replication and Failover and Load Balancing About sites and replication How replication works Symantec Endpoint Protection replication scenarios Configuring replication Failover and load balancing Designing a Symantec Endpoint Environment Architecture components Architecture constraints Component placement Content delivery Determining client to SEPM ratios SEPM and database sizing best practices

Network DevOps course description This course is not a soft skills course covering the concepts of DevOps but instead concentrates on the technical side of tools and languages for network DevOps. Particular technologies focussed on are ansible, git and Python enabling delegates to leave the course ready to starting automating their network. Hands on sessions follow all major sections. More detailed courses on individual aspects of this course are available. What will you learn Evaluate network automation tools. Automate tasks with ansible. Use git for version control. Use Python to manage network devices. Use Python libraries for network devices. Network DevOps course details Who will benefit: Administrators automating tasks. Prerequisites: TCP/IP Foundation Duration 5 days Network DevOps course contents What is DevOps Programming and automating networks, networks and clouds, AWS, OpenStack, SDN, DevOps for network operations. Initial configuration Configuring SSH, ZTP, POAP. Hands on Initial lab configuration. Getting started with ansible The language, the engine, the framework. Uses of ansible, orchestration. The architecture, Controlling machines, nodes, Agentless, SSH, modules. Configuration management, inventories, playbooks, modules, roles. Hands on Installing ansible, running ad hoc commands. Ansible playbooks ansible-playbook, YAML, plays, tasks, handlers, modules. Playbook variables. Register module, debug module. Hands on Running playbooks. Ansible Inventories /etc/ansible/hosts, hosts, groups, static inventories, dynamic inventories. Inventory variables, external variables. Limiting hosts. Hands on Static inventories, variables in inventory files. Ansible modules for networking Built in modules, custom modules, return values. Core modules for network operations. Cisco and/or Juniper modules. ansible_connection. Ansible 2.6 CLI. Hands on Using modules. Ansible templating and roles aConfiguration management, full configurations, partial configurations. The template module, the assemble module, connection: local, Jinja2 templates, variables, if, for, roles. Hands on Generating multiple configurations from a template. Network programming and modules Why use Python? Why use ansible? alternatives, ansible tower, Linux network devices. Programming with Python Python programming Functions. Classes, objects and instances, modules, libraries, packages. Python strings, Python file handling, pip list, pip instal. Hands on Python programming with pyping. More Python programming Functions. Classes, objects and instances, modules, libraries, packages. Python strings, Python file handling, pip list, pip install. Hands on Python programming with pyping. Git Distributed version control, repositories, Git and GitHub, Alternatives to GitHub, Installing git, git workflows, creating repositories, adding and editing files, branching and merging, merge conflicts. Hands on working with Git. Python and networking APIs, Sockets, Telnetlib, pysnmp, ncclient, ciscoconfparse. Paramiko SSH and Netmiko Integrating Python and network devices using SSH. Netmiko, Netmiko methods. Hands on Netmiko. NAPALM What is NAPALM, NAPALM operations, getters, Replace, merge, compare, commit, discard. Hands on Configuration with NAPALM. Integrating ansible and NAPALM. Python and REST REST APIs, enabling the REST API. Accessing the REST API with a browser, cURL, Python and REST, the request library. Hands on Using a REST API with network devices.

Network automation course description This course is not a soft skills course covering the concepts of DevOps but instead concentrates on the technical side of tools and languages for network DevOps. Particular technologies focussed on are ansible, git and Python enabling delegates to leave the course ready to starting automating their network. Hands on sessions follow all major sections. More detailed courses on individual aspects of this course are available. What will you learn Evaluate network automation tools. Automate tasks with ansible. Use git for version control. Use Python to manage network devices. Use Python libraries for network devices. Network automation course details Who will benefit: Network engineers. Prerequisites: TCP/IP foundation for engineers. Duration 5 days Network automation course contents What is DevOps Programming and automating networks, networks and clouds, AWS, OpenStack, SDN, DevOps for network operations. Initial configuration Configuring SSH, ZTP, POAP. Hands on Initial lab configuration. Getting started with ansible The language, the engine, the framework. Uses of ansible, orchestration. The architecture, Controlling machines, nodes, Agentless, SSH, modules. Configuration management, inventories, playbooks, modules, roles. Hands on Installing ansible, running ad hoc commands. Ansible playbooks ansible-playbook, YAML, plays, tasks, handlers, modules. Playbook variables. Register module, debug module. Hands on Running playbooks. Ansible Inventories /etc/ansible/hosts, hosts, groups, static inventories, dynamic inventories. Inventory variables, external variables. Limiting hosts. Hands on Static inventories, variables in inventory files. Ansible modules for networking Built in modules, custom modules, return values. Core modules for network operations. Cisco and/ or Juniper modules. ansible_connection. Ansible 2.6 CLI. Hands on Using modules. Ansible templating and roles Configuration management, full configurations, partial configurations. The template module, the assemble module, connection: local, Jinja2 templates, variables, if, for, roles. Hands on Generating multiple configurations from a template. Network programming and modules Why use Python? Why use ansible? alternatives, ansible tower, Linux network devices. Programming with Python Scripting versus application development, Python interactive mode, Python scripts, Python 2.7 vs Python 3. A simple Python script. Variables, loops, control statements, operators. PEP style guide. Python IDEs. Hands on Simple Python programs. More Python programming Functions. Classes, objects and instances, modules, libraries, packages. Python strings, Python file handling, pip list, pip install, Hands on Python programming with pyping. Git Distributed version control, repositories, Git and GitHub, Alternatives to GitHub, Installing git, git workflows, creating repositories, adding and editing files, branching and merging, merge conflicts. Hands on working with Git. Python and networking APIs, Sockets, Telnetlib, pysnmp, ncclient, ciscoconfparse. Paramiko SSH and Netmiko Integrating Python and network devices using SSH. Netmiko, Netmiko methods. Hands on Netmiko. PyEZ Juniper, NETCONF, installing PyEZ, a first pyEZ script, pyEZ configuration management. Hands on Juniper configuration management with pyEZ. NAPALM What is NAPALM, NAPALM operations, getters, Replace, merge, compare, commit, discard. Hands on Configuration with NAPALM. Integrating ansible and NAPALM. Python and REST REST APIs, enabling the REST API. Accessing the REST API with a browser, cURL, Python and REST, the request library. Hands on Using a REST API with network devices.

Git and GitHub course description This course covers version control using Git but also using GUI frontends such as GitHub. The course starts with a tour of using GitHub but then quickly moves onto using git from the command line. All elements of git version control are covered including creation of repositories, adding and editing files, branches and merging, rewriting history and handling merge conflicts. Hands on sessions are used throughout the course. What will you learn Install git. Add and edit files in a repository. Create branches and perform merges. Handle merge conflicts. Git and GitHub course details Who will benefit: Anyone requiring version control. Prerequisites: None. Duration 1 day Git and GitHub course contents Introduction Version control for software, configuration management. Other uses. Version control systems. What is git? What is GitHub? Distributed version control. Comparison of git to other systems. GitHub Getting started, creating an account, account types, repositories, access control, bug tracking, feature requests. Alternatives to GitHub. Hands on Using GitHub. Installing git Linux install, Windows install, git config, levels, user.name, user.email. Hands on Installing and configuring git. Creating repositories git clone, github, git remote, git init. Hands on Creating a repository. Adding and editing files Staging and adding, git add, git commit, git push, git pull, git status, git log. Two stage process. File states: Working, staging, history, untracked. git mv, git rm, .gitignore, git diff, git difftool. Undoing changes. Hands on Adding and editing files in git. Branching and merging What is a branch, HEAD label, master branch, git branch, git checkout. Feature branches, bux fix branches, integration branches, production branches, fast forward merges, 3 way merges, git merge, git status, git log, tags. Hands on Making branches, merging. Rewriting history git reset, git rebase, advantages. Hands on Reset commits, rebase a branch. Merge conflicts What is a conflict, conflict resolution process, resolving merges, rebasing, git log, merge tools, configuring merge tools, avoiding conflicts. Hands on Merge resolution.

SMTP training course description A hands on course focusing on the workings of email systems and the standard protocols that they use. The course is not specific to any particular implementation, but some vendor specifics are noted. Linux and Microsoft machines are used in hands on sessions to reinforce the theory of major sessions. The course concentrates on troubleshooting and interworking using network sniffing and protocol inspection rather than "which buttons to push". What will you learn Describe and explain SMTP MIME POP3 IMAP PGP, GPG, S/MIME SPF, DKIM, DMARC Configure mail routing Secure email systems SMTP training course details Who will benefit: Technical staff responsible for email systems. Prerequisites: TCP/IP foundation for engineers. Duration 3 days SMTP training course contents SMTP architecture What is SMTP, email before SMTP, SMTP history, the different protocols, clients, servers. Email composition, transmission, delivering emails, storing and reading emails. MUAs, MTAs, POP3, IMAP, SMTP, DNS, webmail. Hands on Setting up MTAs and MUAs and sending a simple email using telnet. The SMTP protocol SMTP protocol stack, SMTP headers, HELO, SMTP mail, MAIL FROM, RCPT TO, DATA, SMTPUTF8, 8BITMIME, TURN, EHLO, ETRN, 3 digit replies. Hands on Analysing SMTP packets on a network. DNS and SMTP SMTP forwarding, SMTP relays, interoperation, how SMTP uses DNS, MX records. Hands on Setting up mail relays. SMTP headers IMF data, From, to, cc, bcc, sender and recipient headers, message Ids, received trails, in-reply-to, received-SPF, mail list headers. Hands on Using clients to analyse details from mail headers, including true originators and path of emails. MIME Email attachments, MIME versions, content type headers, encoding, base 64, binary data, multi part headers, troubleshooting attachments. Hands on Analysing MIME headers and attachments. POP3 What is POP3, where to use POP3, authorisation, transactions, POP3 commands: USER, PASS, STAT, LIST, RETR, DELE. Hands on Setting up a POP3 server, analysing POP3 packets on a network. IMAP and IMAPS What is IMAP, where to use IMAP, authorisation, mailbox structure, IMAP commands: LOGIN, AUTHENTICATE, LIST, CREATE, Examine (message flags), SELECT, STORE. Hands on Setting up an IMAP server and analysing IMAP packets on a network. Interoperation Mail gateways, addressing, Exchange, sendmail. Email security Basics, Transport level: STARTTLS. Content: PGP/GPG, mail signing and encryption, S/MIME, digital certificates, secure email submission. Hands on Setting up and using a PGP key, configure MTAs to use TLS. Email authentication and spam prevention Mail relays, grey listing, block list & RBL, DNSBL (Real-time Black hole List), White list, SPF, Domain Keys Identified Mail (DKIM), Author Domain Signing Practices (ADSP), Abuse Report Format (ARF), Domain-based Message Authentication, Reporting and Conformance (DMARC). Hands on Relay spamming and the blocking spamming.