1357 BA courses in Sheffield

Definitive VPNs training course description A hands on course covering VPNs from the basics of benefits and Internet vs. Intranet VPNs through to detailed analysis of the technologies involved in VPNs. All the major VPN protocols are covered including PPPoE, L2TP, SSL, IPsec and dynamic VPNs. MPLS L3 VPNs are also covered. What will you learn Describe what a VPN is and explain the difference between different VPN types. Recognise the design and implementation issues involved in implementing a VPN. Explain how the various technologies involved in a VPN work. Describe and implement: L2TP, IPsec, SSL, MPLS L3 VPNs. Evaluate VPN technologies. Definitive VPNs training course details Who will benefit: Network personnel. Prerequisites: IP Security foundation for engineers. Duration 3 days Definitive VPNs training course contents VPN overview What is a VPN? What is an IP VPN? VPNs vs. Private Data Networks, Internet VPNs, Intranet VPNs, Remote access VPNs, Site to site VPNs, VPN benefits and disadvantages. VPN Tunnelling VPN components, VPN tunnels, tunnel sources, tunnel end points, hardware based VPNs, Firewall based VPNs, software based VPNs, tunnelling topologies, tunnelling protocols, which tunnelling protocol should you use? requirements of tunnels. VPN security components Critical VPN security requirements, Encryption and authentication, Diffie Hellman, DES, 3DES, RSA, PKI, Ca server types, pre shared keys versus certificates, Enrolling with a CA, RADIUS in VPNs. PPP Encapsulation, operation, authentication. Hands on Setting up PPPoE and analysing PPP packets. PPTP Overview, Components, How it works, control and data connections, GRE. Hands on Building a PPTP VPN. L2TP Overview, components, how it works, security, packet authentication, L2TP/IPSec, L2TP/PPP, Layer 2 versus layer 3 tunnelling. Hands on Implementing a L2TP tunnel. IPSec AH, HMAC, ESP, transport and tunnel modes, Security Association, use of encryption and authentication algorithms, manual vs automated key exchange, NAT and other issues. Hands on Implementing an IPSec VPN. Intranet VPNs Headers, architecture, label switching, LDP, MPLS VPNs. VPN products and services PE and CPE, management, various VPN products. VPN issues and architectures VPN architectures: terminate VPN before/on/ after/in parallel with firewall, resilience issues, VRRP, performance issues, QoS and VPNs. documentation.

Junos Operating System training course description This course provides students with the foundational knowledge required to work with the Junos OS and to configure Junos devices. The course provides a brief overview of the Junos device families and discusses the key architectural components of the software. The course then delves into foundational routing knowledge and configuration examples including general routing concepts, routing policy, and firewall filters. Delegates will gain experience in configuring and monitoring the Junos OS and monitoring basic device operations. This course is based on Junos OS Release 15.1X49. What will you learn Describe the design architecture of the Junos OS. Navigate within the Junos CLI and perform tasks within the CLI operational and configuration modes. Configure and monitor network interfaces. Navigate within the Junos J-Web interface. Identify where you might use firewall filters. Explain basic routing operations and concepts. Identify key factors in Juniper Networks' security. Junos Operating System training course details Who will benefit: This course benefits individuals responsible for configuring and monitoring devices running the Junos OS. Prerequisites: TCP/IP foundation for engineers Duration 3 days Junos Operating System training course contents Junos Operating System Fundamentals The Junos OS Traffic Processing Overview of Junos Devices User Interface Options-The Junos CLI User Interface Options The Junos CLI: CLI Basics The Junos CLI: Operational Mode The Junos CLI: Configuration Mode User Interface Options-The J-Web Interface The J-Web GUI Configuration Lab 1: User Interface Options Initial Configuration Factory-Default Configuration Initial Configuration Interface Configuration Lab 2: Initial System Configuration Secondary System Configuration User Configuration and Authentication System Logging and Tracing Network Time Protocol Archiving Configurations SNMP Lab 3: Secondary System Configuration Operational Monitoring and Maintenance Monitoring Platform and Interface Operation Network Utilities Maintaining the Junos OS Password Recovery System Clean-Up Lab 4: Operational Monitoring and Maintenance Interface Configuration Examples Review of the Interface Configuration Hierarchy Interface Configuration Examples Using Configuration Groups Routing Fundamentals Routing Concepts: Overview of Routing Routing Concepts: The Routing Table Routing Concepts: Routing Instances Static Routing Dynamic Routing Lab 5: Routing Fundamentals Routing Policy Routing Policy Overview Case Study: Routing Policy Lab 6: Routing Policy Firewall Filters Firewall Filters Overview Case Study: Firewall Filters Unicast Reverse-Path-Forwarding Checks Lab 7: Firewall Filters Class of Service CoS Overview Traffic Classification Traffic Queueing Traffic Scheduling Case Study: CoS Lab 8: Class of Service JTAC Procedures Opening a Support Case Customer Support Tools Transferring Files to JTAC Juniper Security Concepts Security Challenges Juniper's Security Focus Appendix A: IPv6 Fundamentals IPv6 Addressing Protocols and Services Configuration

Software development training course description This three-day MTA Training course helps you prepare for Microsoft Technology Associate Exam 98-361, and build an understanding of these topics: Core programming, Object-Oriented programming, general software development, web applications, desktop applications, and databases. This course leverages the same content as found in the Microsoft Official Academic Course (MOAC) for this exam. What will you learn Describe core programming. Explain Object Oriented programming. Describe general software development. Describe Web applications. Describe desktop applications. Explain how databases work. Software development training course details Who will benefit: Anyone looking to learn the fundamentals of software. Prerequisites: None. Duration 3 days Software development training course contents Core programming Computer storage and data types How a computer stores programs and the instructions in computer memory, memory stacks and heaps, memory size requirements for the various data storage types, numeric data and textual data. Computer decision structures Various decision structures used in all computer programming languages; If decision structures; multiple decision structures, such as If…Else and switch/Select Case; reading flowcharts; decision tables; evaluating expressions. Handling repetition For loops, While loops, Do...While loops and recursion. Understand error handling Structured exception handling. Object-oriented programming Classes Properties, methods, events and constructors; how to create a class; how to use classes in code. Inheritance Inheriting the functionality of a base class into a derived class. Polymorphism Extending the functionality in a class after inheriting from a base class, overriding methods in the derived class. Encapsulation Creating classes that hide their implementation details while still allowing access to the required functionality through the interface, access modifiers. General software development Application life cycle management Phases of application life cycle management, software testing. Interpret application specifications Application specifications, translating them into prototypes, code, select appropriate application type and components. Algorithms and data structures Arrays, stacks, queues, linked lists and sorting algorithms; performance implications of various data structures; choosing the right data structure. Web applications Web page development HTML, CSS, JavaScript. ASP.NET web application development Page life cycle, event model, state management, client-side versus server-side programming. Web hosting Creating virtual directories and websites, deploying web applications, understanding the role of Internet Information Services. Web services Web services that will be consumed by client applications, accessing web services from a client application, SOAP, WSDL. Desktop applications Windows apps UI design guideline categories, characteristics and capabilities of Store Apps, identify gestures. Console-based applications Characteristics and capabilities of console- based applications. Windows Services Characteristics and capabilities of Windows Services. Databases Relational database management systems Characteristics and capabilities of database products, database design, ERDs, normalisation concepts. Database query methods SQL, creating and accessing stored procedures, updating and selecting data. Database connection methods Connecting to various types of data stores, such as flat file; XML file; in-memory object; resource optimisation.

Web development training course description This three-day course helps build a foundation in the development of Web applications. This is not a HTML course but covers the technologies needed to develop web applications. Technologies covered include: ASP.NET, XML, AJAX and HTTP error codes. What will you learn Program Web applications. Work with data and services. Troubleshoot and debug Web applications. Work with client side scripting. Configure and deploy web applications. Web development training course details Who will benefit: Anyone looking for an introduction to web development. Prerequisites: None. Duration 3 days Web development training course contents Programming web applications Customise the layout and appearance of a web page CSS; tables; embedding images; page layout for navigation. Understand ASP.NET intrinsic objects Request; Server; Application; Session; Response; HttpContext. Understand state information in web applications Understand how state is stored based on application design and hardware; understand different types such as session state, view state, control state and application state. Understand events and control page flow Application and page life cycle events; page events; control events; application events; session events; cross-page posting; Response.Redirect; Server.Transfer; IsPostBack; setting AutoEventWireup. Understand controls Understanding various types of controls, including user, server, web and validation controls; know which is the appropriate type of control for a scenario. Understand configuration files Understanding the usage of web.config and machine.config, and the settings that can be made. Working with data and services Read and write XML data Understanding XML, XML validation Does not include: Web services; XPath syntax; XmlDocument; XPathNavigator; XPathNodeIterator; XPathDocument; XmlReader; XmlWriter; XmlDataDocument; XmlNamespaceManager. Distinguish between DataSet & DataReader objects The ability to choose the proper data object to use based on application requirements/design. Call a service from a web page Creating a basic WCF service or web service so that it can be consumed; App_WebReferences; configuration. Understand DataSource controls LinqDataSource: ObjectDataSource; XmlDataSource; SqlDataSource. Bind controls to data by using data binding syntax Ensure that data is updated and displayed in data-aware controls. Manage data connections and databases Database connections; connection objects; connection pools; transaction objects. Troubleshooting and debugging web applications Debug a web application Use in conjunction with custom error pages to display appropriate error information to the appropriate user; implement tracing of a web application, Trace.axd, Trace=True on @Page directive. Handle web application errors HTTP error codes. Working with client-side scripting Understand client-side scripting Purpose of client-side scripting; various client-side scripting languages. LE/370 and Intrinsic Functions. Understand AJAX concepts ASP.NET AJAX implementation; working with client-side libraries, EnablePartialRendering, Triggers, ChildrenAsTriggers, Scripts, Services, UpdateProgress, Timer, ScriptManagerProxy, extender controls. Configuring and deploying web applications Configure authentication and authorisation Forms authentication, Windows authentication; authorisation; file authorisation; impersonation Does not include: Windows Cardspace authentication, Passport (Windows Live ID) authentication, Custom authentication. Configure projects, solutions and reference assemblies Local assemblies; shared assemblies (GAC); web application projects; solutions; configuration files; AppSettings. Publish web applications Choosing the appropriate method to deploy an application based on existing or intended environment; updatable vs. not updateable; MSI deployment; Internet Information Server (IIS) installation and configuration. Understand application pools Purpose of application pools; effect of application pools on web applications.

MySQL foundation training course description The MySQL foundation course covers the basics of the SQL language as implemented by MySQL. The course is designed to give delegates practical experience in writing SQL statements using the MySQL client program and MySQL Workbench. The basic SQL statements, including the use of SQL functions and the basic table and view handling statements are introduced. What will you learn Create, alter and drop a MySQL database. Write SQL statements. Use SQL expressions and functions. Create and alter tables, indexes and views. Use transactions. Grant and revoke access privileges. Export and import data. MySQL foundation training course details Who will benefit: Anyone who needs to access and work with a MySQL Database. Prerequisites: An understanding of databases and exposure to information technology in general would be useful. Duration 3 days MySQL foundation training course contents Database concepts What is a database? database management systems, tables, rows and columns, indexes, primary keys, unique constraints and foreign keys, client-server architecture, supported data types, storage engines and table types, Information_Schema and MySQL Databases. Hands on using a database. Using the MySQL client What is the MySQL client? getting started and logging in, selecting a database, client commands, entering and executing SQL statements, retrieving previous commands, creating, editing and executing SQL files, redirecting output into a file, command line execution of MySQL scripts. Hands on Using the MySQL client. Basic SELECT The SQL SELECT statement, case sensitivity, quotes, statement terminator, syntax conventions, SELECT clause, FROM clause, conditions and the WHERE clause, logical operators, ORDER BY clause, column aliases, arithmetic expressions, precedence of operators. Hands on querying the sample database. LIMIT, UNION and AGGREGATE functions The LIMIT clause, UNION, UNION ALL, aggregate functions, GROUP BY clause, using Rollup with GROUP BY, HAVING clause. Hands on using limit, union and aggregate functions. Subqueries and joins Subqueries, cartesian products, table aliases, natural joins, join using, join on, multi-table joins. Hands on using subqueries and joins. Numeric and character functions Function types, testing functions, numeric functions character functions. Hands on using numeric and character functions. Data, time and other functions Date and time column types, date and time formats, Date format function, functions to return date time, functions to extract components from date time, date time arithmetic, miscellaneous functions. Hands on using date, time and other functions. Databases and tables Creating a database, selecting a database, creating tables, Auto_increment, show create table, column operations, constraint operations, copying tables, renaming tables, changing engine for tables, dropping tables, temporary tables. Hands on maintaining databases and tables. Indexes and views What is an index? creating an index, reviewing indexes, dropping indexes, what is a view? creating views, view restrictions, dropping views. Hands on maintaining indexes and views. Managing data Inserting rows, replacing rows, updating rows, deleting rows, Truncate statement, The COMMIT and ROLLBACK commands, savepoints, implicit commits. Hands on managing data. Access control Creating users, renaming users, dropping users, granting privileges, revoking privileges. Hands on creating users, granting and revoking. Import and export Exporting using SQL, importing using SQL, exporting from the command line, importing from the command line. Hands on export and import data.

Voice over LTE training course description This course provides a basic understanding of the 3G LTE Air Interface, SAE, as well as Voice over LTE options and LTE Advanced features. Investigating the standards for the EPS , formulated by the 3GPP standards body, the course will set out to examine and explain the 4G environment from user equipment to border gateway and beyond. This course will ensure the delegate has a grasp of all aspects of the current global deployments, the next steps in upgrades and the promise of things to come. What will you learn Describe the complete EPC architecture. Explain the use of QoS within the air interface & core network. Explore the features of LTE advanced. Describe the various methods of supporting voice services with 3G LTE. Describe IMS structure and control entities. Explain an IMS session. Voice over LTE training course details Who will benefit: Any engineers who are assisting in the deployment of voice services within their LTE networks. Prerequisites: Intro to Data comms & networking Telecommunications Introduction Duration 3 days Voice over LTE training course contents 3GPP standards body Release 8 - Release 12, Supported and expected features. The EPC revisited EPC revisited 3G LTE & EPC Architecture, NB, MME, SGW, PDNGW, PCRF, Interworking capabilities, Protocol stack explored, NAS signalling, Default EPS bearer, Slot allocation algorithms, Scheduling algorithms, Quality of Service requirements, Dedicated EPS bearers. VoLTE deployment strategies Common networks everywhere, GSM/WCDMA view, CDMA view. VoLTE system architecture LTE radio, LTE Radio background, LTE radio architecture, Evolved packet core, EPC entities & functions, EPS mobility management, MS entities, Home subscriber server, Policy & charging rules function. VoLTE functionality Radio functionality, Bearers & schedulers, Mobility, Circuit switched fall back handover, Mobility from 2G/3G back to LTE, Power Saving Features, Positioning services, UE radio access capabilities for VoLTE users. EPC functionalities, LTE subscriber identification, PDN connectivity establishment, EPS dedicated bearer setup, IMS identification, IP multimedia identification module, Public user identity, Private user identity, Relationship between public & private identity, identification of users device, identification of network entities, identification of services, identification without ISIM. IMS service provisioning, Enforcement of allowed services, Service triggering information, Selection of the AS, AS behaviour, Service provisioning in action. VoLTE end-to-end & signalling VoLTE subscription & device configuration. EPS attach for CSFB/IMS VoIP & default bearer. IMS registration, Constructing the REGISTER request, From UE to P-CSCF, From P-CSCF to I-CSCF, From I-CSCF to S-CSCF, S-CSCF challenges the UE, UE's response to the challenge, Registration at the S-CSCF, The 200 OK response, Third-party registration to application servers, Subscription to registration event package, Re-registration & re-authentication, De-registration, Related standards. IMS VoIP session, Constructing the INVITE request, Routing, Media negotiation, Media resource reservation & policy control, Charging, Session release. Voice continuity, PS - PS intersystem handover, Single radio voice call continuity. IMS emergency session, PDN Connection setup for emergency session, Emergency registration, Emergency session. CS fallback for EPS call case, Architecture of CS fallback in EPS, Description of SGs interface, Idle mode signalling reduction, Idle mode vs active mode, CS fallback attachment, Mobile originating call using CSFB, Mobile terminating call using CSFB, Call unrelated CSFB procedures, Mobile terminating roaming retry & forwarding. VoLTE Messaging, Native IMS messages, SMS interworking, Multimedia messaging service. Unstructured supplementary services data simulation in IMS. IMS services VoLTE radio performance Coverage, Latency, Capacity. LTE advanced features Carrier aggregation, Coordinated mMulti-point Operation (CoMP), ICIC & eICIC, Relay node deployment & donor eNBs, Improved cell edge coverage, Reduced control plane latency, Heterogeneous networks, HeNB, security gateways, HeNB gateways.

MPLS training course description A hands-on introduction to MPLS covering the basics of what MPLS is and how to configure it, through to more advanced concepts such as MPLS VPNs and traffic engineering with MPLS. What will you learn Describe MPLS Explain how MPLS works Describe the interaction between OSPF/IS-IS/BGP and MPLS Describe MPLS traffic engineering MPLS training course details Who will benefit: Anyone working with MPLS. Prerequisites: IP Routing BGP Duration 3 days MPLS training course contents What is MPLS? What does MPLS stand for? What is MPLS? Core MPLS, MPLS and the 7 layer model, MPLS is a protocol, MPLS is a standard, MPLS runs on routers, MPLS history, Why MPLS? For service providers, For enterprises. MPLS Architecture Label Switch Routers, two types of LSR, PE and P router roles, FEC, swapping labels, MPLS packet format, Loops, TTL control. Hands on: Building the base network. Enabling MPLS. Simple testing and troubleshooting of MPLS. Label distribution Label review, label switch path, label distribution methods, piggybacking, Label distribution Protocols, LDP, LDP operation, LDP packets, discovery messages, session messages, advertisement messages, notification message, Label Information Base, routing tables, the LFIB, MPLS forwarding, penultimate hop popping, handling labels, LSP control modes, when to distribute labels, how long to keep labels, aggregation, label merging. Hands on: LDP traffic analysis. MPLS TE and QoS What is MPLS TE? Why TE? TE versus shorted path, how MPLS TE works, CR-LDP, OSPF-TE, IS-IS-TE, TE with BGP, RSVP-TE, MPLS Fast reroute, MPLS QoS. Hands on: Enabling MPLS-TE. BFD BFD, hello the BFD protocol. MPLS VPN What is a VPN? MPLS VPN types, MPLS VPN comparison, MPLS L3 VPN, VRFs, MBGP, MPLS VPN architecture, VRF RD, VRF RT, the label stack, L2 VPNs, VPWS, AToM, VPLS. Hands on: MPLS L3 VPN setup, troubleshooting.

Definitive Ethernet switching course description A hands on comprehensive look at Ethernet switches with extensive coverage of VLANs. The course focuses on the technology and not any one manufacturers product enabling delegates to configure switches from any manufacturer. What will you learn Configure and troubleshoot switches using: Console port telnet HTTP TFTP Configure and troubleshoot switch features such as: Duplex/speed Port based MAC security Spanning Tree Link aggregation Tagged ports Configure and troubleshoot VLANs. Definitive Ethernet switching course details Who will benefit: Technical staff. Prerequisites: Intro to data communications & networking. Duration 3 days Definitive Ethernet switching course contents What is Ethernet? LANs, network cards and cables, CSMA/CD, Ethernet frames, Ethernet evolution, 802.3. Hands on: ping, Ethernet speeds, CSMA/CD. Ethernet layer 2 Layer 2 functions, NICs, MAC addresses, unicasts, multicasts and broadcasts, frame formats. Hands on: Configuring NICs, Analysing MAC addresses with Wireshark IP and Ethernet Relationship Hands on: ARP. What is a switch? Switches connect multiple devices, switches versus hubs, simultaneous conversations, switches work at layer 2, the forwarding database, how the forwarding database is built, broadcast and collision domains Hands on: Difference between hubs and switches. Switch configuration Switch configuration Managed/unmanaged switches, configuration methods, reasons to configure switches. Console ports, HyperTerminal (and alternatives). Hands on: Using the console port to troubleshoot and configure switches. Switches in more detail Latency, forwarding mechanisms, switch fabrics. Hands on: Using telnet and HTTP to switches. Ethernet extensions Auto negotiation, Power over Ethernet. Hands on:Configuring and troubleshooting switch ports: Speed, duplex and security. Redundant links Loops, broadcast storms, STP, BPDU format, STP convergence. Hands on: Tracking blocked ports. STP convergence. Backbone links Architectures, link aggregation, LACP, load sharing, resilience. Hands on: fail over times. VLANs Virtual versus physical LANs, Why have VLANs? Broadcast domains, Creating VLANs, Assigning ports to VLANs. Hands on: Analysing the effect of VLANs on traffic. Enterprise VLANs VLANS are internal, multiple VLANs, Load balancing, Default VLAN, VLAN registration protocols: VTP, GVRP, MVRP. Hands on: VLANs on multiple switches. Tagging/Trunking Reason for tagging, terminology, tagging process, 802.1Q, Tag format, VLAN stacking. Hands on: Configuring and troubleshooting tags. STP variants RSTP, Common STP, Multiple STP, PVST, ring alternatives. Hands on: RSTP. Inter VLANs Layer 3 switching, IP addressing rules, Interconnecting VLANs. Hands on: Routing between VLANs. Troubleshooting Ethernet Methods, tools, locating faults, layer 1 issues, layer 2 issues Hands on: Fixing the network.

LTE Architecture and Protocols course description This course provides a comprehensive tour of the LTE architecture along with services provided and the protocols used. What will you learn Describe the overall architecture of LTE. Explain the information flows through LTE. Describe the LTE security. Describe LTE mobility management. Recognise the next steps for LTE. LTE Architecture and Protocols course details Who will benefit: Anyone working with LTE. Prerequisites: Mobile communications demystified Duration 3 days LTE Architecture and Protocols course contents Introduction History, LTE key features. The 4G ITU process. The LTE 3GPP specifications. Specifications. System Architecture LTE hardware architecture. UE architecture and capabilities. E-UTRAN and eNB. EPC, MME functions, SGW, PGW and PCRF. System interfaces and protocol stacks. Example information flows. Dedicated and default bearers. EMM, ECM, RRC state diagrams. Radio transmission and reception OFDMA, SC-FDMA, MIMO antennas. Air interface protocol stack. Logical, transport and physical channels. Frame and slot structure, the resource grid. Resource element mapping of the physical channels and signals. Cell acquisition, data transmission and random access. MAC, RLC, PDCP protocols. LTE spectrum allocation. Power-on procedures Network and cell selection. RRC connection establishment. Attach procedure, including IP address allocation and default bearer activation. LTE detach procedure. Security in LTE networks LTE security features, identity confidentiality, ciphering and integrity protection. Architecture of network access security in LTE. Secure key hierarchy. Authentication and key agreement procedure. Security mode command procedure. Network domain security architecture. Security associations using IKE and IPSec. Mobility management RRC_IDLE, RRC_CONNECTED. Cell reselection, tracking area updates. Measurement reporting. X2 and S1 based handovers. Interoperation with UMTS, GSM and non-3GPP technologies such as cdma2000. QoS, policy control and charging QoS in LTE, EPS bearers, service data flows and packet flows. The architecture and signalling procedures for policy and charging control. Data transport using GPRS, differentiated services and MPLS. Offline and online charging in LTE. Delivery of voice and text messages over LTE Difficulties and solutions for Voice over LTE. Architecture and call setup procedures for circuit switched fallback. Architecture, protocols and call setup procedures in IP multimedia subsystem. Enhancements in release 9 LTE location services. Multimedia broadcast / multicast service and MBSFN. Cell selection, commercial mobile alert service. LTE Advanced and release 10 Impact of carrier aggregation on LTE air interface. Enhanced MIMO processing on uplink and downlink. Relaying. Release 11 and beyond. OAM and self organising networks Operation, administration, maintenance and provisioning for LTE. Self-configuration of base station parameters. Fractional frequency re-use, inter-cell interference co-ordination. Self-optimisation of base station procedures. Self-healing to detect and recover from faults.

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.