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Duration 5 Days 30 CPD hours This course is intended for This course is designed for anyone seeking CCNA certification. The course also provides foundational knowledge for all support technicians involved in the basic installation, operation, and verification of Cisco networks. The job roles best suited to the material in this course are: Entry-level network engineer Network administrator Network support technician Help desk technician Overview This course will help you: Learn the knowledge and skills to install, configure, and operate a small- to medium-sized network Gain a foundation in the essentials of networking, security, and automation Earn 30 CE credits toward recertification The Implementing and Administering Cisco Solutions (CCNA) v2.0 course gives you a broad range of fundamental knowledge for all IT careers. Through a combination of lecture, hands-on labs, and self-study, you will learn how to install, operate, configure, and verify basic IPv4 and IPv6 networks. The course covers configuring network components such as switches, routers, and wireless LAN controllers; managing network devices; and identifying basic security threats. The course also gives you a foundation in network programmability, automation, and software-defined networking. This course helps you prepare to take the 200-301 Cisco© Certified Network Associate (CCNA©) exam. By passing this one exam, you earn the CCNA certification. This course also earns you 30 Continuing Education (CE) credits towards recertification. Course Outline Exploring the Functions of Networking ? Lecture Introducing the Host-to-Host Communications Model ? Lecture Operating Cisco IOS Software ? Lecture Introducing LANs ? Lecture Exploring the TCP/IP Link Layer ? Lecture Starting a Switch ? Lecture Introducing the TCP/IP Internet Layer, IPv4 Addressing, and Subnets ? Lecture Explaining the TCP/IP Transport Layer and Application Layer ? Lecture Exploring the Functions of Routing ? Lecture Configuring a Cisco Router ? Lecture Exploring the Packet Delivery Process ? Lecture Troubleshooting a Simple Network ? Lecture Introducing Basic IPv6 ? Lecture Configuring Static Routing ? Lecture Implementing VLANs and Trunks ? Lecture Routing Between VLANs ? Lecture Introducing OSPF ? Lecture Building Redundant Switched Topologies ? Self-study Improving Redundant Switched Topologies with EtherChannel ? Lecture Exploring Layer 3 Redundancy ? Self-study Introducing WAN Technologies ? Self-study Explaining Basics of ACL ? Lecture Enabling Internet Connectivity ? Lecture Introducing QoS ? Self-study Explaining Wireless Fundamentals ? Self-study Introducing Architectures and Virtualization ? Self-study Explaining the Evolution of Intelligent Networks ? Lecture Introducing System Monitoring ? Lecture Managing Cisco Devices ? Lecture Examining the Security Threat Landscape ? Self-study Additional course details: Nexus Humans Cisco Implementing and Administering Cisco Solutions v2.0 (CCNA) training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the Cisco Implementing and Administering Cisco Solutions v2.0 (CCNA) course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Are you looking to start a career in aesthetics but need the prerequisites for a traditional course? Look no further! Cosmetic College offers a fast-track pathway to becoming an accredited and insurable cosmetic injector. Our five day course is designed specifically for non-medics who want to pursue a career in aesthetics but need to meet the standard course prerequisites. Expert practitioners and educators deliver our course with years of industry experience. We prioritise safety and ensure that all learners will leave the system with the competency and knowledge necessary to perform injectables and aesthetic procedures with confidence. Before starting the course, you'll complete online pre-study and virtual lectures to give you a solid foundation in anatomy and physiology, health and safety, contraindications, complications, first aid, and infection control. Then, you'll spend 6-8 days of practical training, depending on your chosen course path, to hone your skills and get hands-on experience. Our fast-track pathway to injectables covers various topics, including microneedling, B12 dermaplaning, foundation lip dermal fillers, and more. To enrol in our fast-track course, you must be at least 21 years of age and have a good command of English. You should also be able to learn independently and have a strong desire to build a career in aesthetics. Invest in your future with Cosmetic College's fast-track pathway to injectables. With our comprehensive curriculum, expert instructors, and hands-on training, you'll be ready to start your aesthetic career. Take advantage of this opportunity to fast-track your aesthetic career. Enrol in our fast-track pathway to injectables today! Course Entry Requirements: Minimum age of 21 years Good command of English Be able to learn independently A strong desire to build a career in Aesthetics Course Pre-Study/Practical & Length: Online study and virtual lectures A series of online assessments Five days of practical training Course Agenda: Microneedling B12 Dermaplaning Foundation Lip Dermal Fillers Anatomy and Physiology Anaphylaxis Awareness Infection control Sharps and hazardous waste Complication management First aid Course Benefits Student Benefits Comprehensive Education: Our training program provides a comprehensive education on dermal fillers, equipping you with the knowledge and skills necessary to excel in the field of aesthetics. You will gain a deep understanding of facial anatomy, product selection, injection techniques, safety protocols, and patient assessment. Practical Hands-on Experience: We emphasise practical training, giving you ample opportunities to practice your skills under the guidance of experienced trainers. Working with live models will enhance your confidence and proficiency in performing dermal filler treatments. Industry-Standard Techniques: You will learn industry-standard techniques for administering dermal fillers, ensuring that you provide safe and effective treatments to your clients. This knowledge will enable you to achieve natural-looking results and meet the expectations of your clients. Personalised Guidance and Mentorship: Our trainers are highly experienced professionals who will provide personalised guidance and mentorship throughout the training. They will address your questions, offer constructive feedback, and help you refine your techniques, ensuring your continuous growth and improvement. Business and Marketing Support: In addition to the technical skills, we provide guidance on the business aspects of aesthetics. You will learn strategies for building and marketing your aesthetics practice, attracting clients, and maximizing your earning potential. This knowledge will empower you to establish a successful career in aesthetics. Client Benefits Expertise and Safety: Clients will have confidence knowing that you have received comprehensive training in dermal fillers. Your expertise will enable you to provide safe and high-quality treatments, minimising the risks and complications associated with the procedures. Natural and Desired Results: Through your training, you will be able to deliver natural and desired results to your clients. Your understanding of facial anatomy, product selection, and injection techniques will allow you to enhance their features, rejuvenate their appearance, and boost their self-confidence. Professionalism and Trust: By enrolling in our training program, you demonstrate your commitment to professionalism and continuous learning. Clients will trust in your skills and knowledge, knowing that you have received proper training from a reputable institution. Earning Potential Earning potential in the aesthetics industry can be significant. As a trained professional in dermal fillers, you can offer sought-after services to clients. The increasing demand for aesthetic treatments, combined with your expertise and ability to deliver exceptional results, can lead to a thriving client base and increased earning potential. The Fast Track To Aesthetics - Dermal Filler Training provides you with the foundation and skills necessary to capitalise on these opportunities and maximise your earning potential in the aesthetics field. Frequently Asked Questions Is this training suitable for beginners with no prior experience in aesthetics? Absolutely! Our Fast Track To Aesthetics program is designed to cater to beginners who are new to the field of aesthetics. We provide comprehensive training that covers the fundamentals of dermal fillers, ensuring that you gain the necessary knowledge and skills to start your journey in aesthetics. What topics are covered in the training program? Our training program covers a wide range of topics including facial anatomy, patient assessment, product selection, injection techniques, safety protocols, and client management. You will also receive hands-on training with live models to practice your skills under the guidance of experienced trainers. Are the trainers experienced in the field of aesthetics? Yes, our trainers are highly experienced professionals with extensive knowledge and practical experience in the field of aesthetics. They are dedicated to providing you with the guidance and support you need to excel in your training.

Java training course description A comprehensive introduction of the Java language and environment. It is important to note that the course will assume that the delegates are already familiar with the C language as this enables more advanced features of the Java language to be covered in the course. The course will also give an overview of areas related to programming in Java. What will you learn Describe the Java architecture. Write Java applets and applications. Debug Java programs. Examine existing code and determine its function. Use multimedia extensions, the awt, multithreading, exceptions within Java Java training course details Who will benefit: Those wishing to program in Java. Prerequisites: Complete C programming Duration 5 days Java training course contents Review of UNIX fundamentals What is Java? What Java is, history of Java, reasons for success. The Java Virtual Machine, Bytecodes, getting up and running with Java, Java resources. Simple Java applications. C features in Java Java data structures, Java flow control, differences from C, arrays, strings and packages. OO features in Java Java classes and objects, inheritance, overloading, packages. Differences from C++. Java applets Applications vs. applets, HTML, the applet tag, applet methods, life cycle, testing and debugging. Multimedia applets Images, sounds, fonts, colours and animation. Java products The JDK in detail, other development environments. Javabeans and JDBC overviews. Abstract Window Toolkit JFC and Swing versus AWT. Event handling (JDK 1.1), GUIs, panels, buttons, lists, scrollbars, text areas, frames… Exception handling and multithreading Handling exceptions. Starting, pausing, stopping threads, producers, consumers, monitoring. More standard classes Java file I/O, Streams, The system class. The networking model, java.net classes. Security and Java Types of attack, the security manager, craplets, securing the network. Integrating legacy code with Java

Advanced C++ training course description The course will give a broad overview of the C++ Programming language, focusing on modern C++, up to C++17. This course will cover the use of the Standard Library, including containers, iterator, function objects and algorithms. From the perspective of application development, a number of design patterns will be considered. What will you learn Write C++ programs using the more esoteric language features. Utilise OO techniques to design C++ programs. Use the standard C++ library. Exploit advanced C++ techniques Advanced C++ training course details Who will benefit: Programmers needing to write C++ code. Programmers needing to maintain C++ code. Prerequisites: C++ programming foundation. Duration 5 days Advanced C++ training course contents Study of a string class Create a string class as a means to investigate many issues, involving the use of operator overloading and including overloading new and delete. Creation of the class will also require consideration of 'const correctness'. Exception handling Consider the issues involved in exception handling including the concept of exception safety. Templates Review definition of template functions, including template parameter type deduction. Introduction to template metaprogramming. Newer features including template template parameters and variadic templates. Creation of template classes. Design patterns Introduction to Design Patterns and consideration of a number of patterns, such as, factory method, builder, singleton and adapter. The standard C++ library (STL) Standard Library features, such as, Containers, Iterator, Function Objects and Algorithms. Introduction to Lambda expressions. C++ and performance The writing of code throughout the course will be oriented towards performant code, including use of R Value references and 'move' semantics. Pointers The use of pointers will be considered throughout the course. Smart pointers will be considered to improve program safety and help avoid the use of 'raw' pointers. Threading This section will consider the creation of threads and synchronisation issues. A number of synchronisation primitives will be considered. Async and the use of Atomic will also be considered. New ANSI C++ features Summarising some of the newer features to be considered are: Auto, Lambdas expression, smart pointers, variadic templates and folds, R Value references and tuple together with structured binding.

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.

Linux virtualization and HA training course description The LPIC-3 certification is the culmination of LPI's multi -level professional certification program. LPIC-3 is designed for the enterprise-level Linux professional and represents the highest level of professional, distribution neutral Linux certification within the industry. LPIC-3 304 covers administering Linux enterprise-wide with an emphasis on virtualization and high availability. At SNT we have enhanced the contents of the course by covering containers. What will you learn Manage Virtual Machines. Manage containers. Manage HA clusters. Manage HA cluster storage. Linux virtualization and HA training course details Who will benefit: Linux professionals working with virtualization and/or High availability. Prerequisites: Linux network administration 2 (LPIC-2) Duration 5 days Linux virtualization and HA training 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.

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Complete C# programming training course description This training course teaches developers the programming skills that are required for developers to create Windows applications using the C# language. Students review the basics of C# program structure, language syntax, and implementation details, and then consolidate their knowledge throughout the week as they build an application that incorporates several features of the .NET Framework. What will you learn Use the syntax and features of C#. Create and call methods, catch and handle exceptions, and describe the monitoring requirements of large-scale applications. Implement a typical desktop application. Create class, define and implement interfaces, and create and generic collections. Read and write data to/from files. Build a GUI using XAML. Complete C# programming training course details Who will benefit: Programmers wishing to learn C#. Prerequisites: Developers attending this course should already have gained some limited experience using C# to complete basic programming tasks. Duration 5 days Complete C# programming training course contents Review of C# Syntax Overview of Writing Applications using C#, Datatypes, Operators, and Expressions. C# Programming Language Constructs. Hands on Developing the Class Enrolment Application. Methods, exceptions and monitoring apps Creating and Invoking Methods. Creating Overloaded Methods and Using Optional and Output Parameters. Handling Exceptions. Monitoring Applications. Hands on Extending the Class Enrolment Application Functionality. Developing a graphical application Implementing Structs and Enums. Organizing Data into Collections. Handling Events. Hands on Writing the Grades Prototype Application. Classes and Type-safe collections Creating Classes. Defining and Implementing Interfaces. Implementing Type-safe Collections. Hands on Adding Data Validation and Type-safety to the Grades Application. Class hierarchy using Inheritance Class hierarchies. Extending .NET framework classes. Creating generic types. Hands on Refactoring common functionality into the User Class. Reading and writing local data Reading and Writing Files. Serializing and Deserializing Data. Performing I/O Using Streams. Hands on Generating the Grades Report. Accessing a Database Creating and using entity data models. Querying and updating data by using LINQ. Hands on Retrieving and modifying grade data. Accessing remote data Accessing data across the web and in the cloud. Hands on Modifying grade data in the Cloud. Designing the UI for a graphical applicatione Using XAML to design a User Interface. Binding controls to data. Styling a UI. Hands on Customizing Student Photographs and Styling the Application. Improving performance and responsiveness Implementing Multitasking by using tasks and Lambda Expressions. Performing operations asynchronously. Synchronizing concurrent data access. Hands on Improving the responsiveness and performance of the application. Integrating with unmanaged code Creating and using dynamic objects. Managing the Lifetime of objects and controlling unmanaged resources. Hands on Upgrading the grades report. Creating reusable types and assemblies Examining Object Metadata. Creating and Using Custom Attributes. Generating Managed Code. Versioning, Signing and Deploying Assemblies. Hands on Specifying the Data to Include in the Grades Report. Encrypting and Decrypting Data Implementing Symmetric Encryption. Implementing Asymmetric Encryption. Hands on Encrypting and Decrypting Grades Reports.

Cyber security training course description This cyber security course focusses on the network side of security. Technologies rather than specific products are studied focussing around the protection of networks using firewalls and VPNs. What will you learn Describe: - Basic security attacks - RADIUS - SSL - VPNs Deploy firewalls and secure networks Explain how the various technologies involved in an IP VPN work. Describe and implement: - L2TP - IPsec - SSL - MPLS, L3, VPNs. Cyber security training course details Who will benefit: Anyone working in the security field. Prerequisites: TCP/IP foundation for engineers Duration 5 days Cyber security training course contents Security review Denial of service, DDOS, data manipulation, data theft, data destruction, security checklists, incident response. Security exploits IP spoofing, SYN attacks, hijacking, reflectors and amplification, keeping up to date with new threats. Hands on port scanning, use a 'hacking' tool. Client and Server security Windows, Linux, Log files, syslogd, accounts, data security. Hands on Server hardening. Firewall introduction What is a firewall? Firewall benefits, concepts. HAnds on launching various attacks on a target. Firewall types Packet filtering, SPI, Proxy, Personal. Software firewalls, hardware firewalls. Firewall products. Hands on Simple personal firewall configuration. Packet filtering firewalls Things to filter in the IP header, stateless vs. stateful filtering. ACLs. Advantages of packet filtering. Hands on Configuring packet filtering firewalls. Stateful packet filtering Stateful algorithms, packet-by-packet inspection, application content filtering, tracks, special handling (fragments, IP options), sessions with TCP and UDP. Firewall hacking detection: SYN attacks, SSL, SSH interception. Hands on SPI firewalls. Proxy firewalls Circuit level, application level, SOCKS. Proxy firewall plusses and minuses. Hands on Proxy firewalls. Firewall architectures Small office, enterprise, service provider, what is a DMZ? DMZ architectures, bastion hosts, multi DMZ. Virtual firewalls, transparent firewalls. Dual firewall design, high availability, load balancing, VRRP. Hands on Resilient firewall architecture. Testing firewalls Configuration checklist, testing procedure, monitoring firewalls, logging, syslog. Hands on Testing firewalls. Encryption Encryption keys, Encryption strengths, Secret key vs Public key, algorithms, systems, SSL, SSH, Public Key Infrastructures. Hands on Password cracking. Authentication Types of authentication, Securid, Biometrics, PGP, Digital certificates, X.509 v3, Certificate authorities, CRLs, RADIUS. Hands on Using certificates. 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, tunnelling topologies, tunnelling protocols, which tunnelling protocol? Requirements of tunnels. L2TP Overview, components, how it works, security, packet authentication, L2TP/IPsec, L2TP/PPP, L2 vs L3 tunnelling. Hands on Implementing a L2TP tunnel. IPsec AH, HMAC, ESP, transport and tunnel modes, Security Association, encryption and authentication algorithms, manual vs automated key exchange, NAT and other issues. Hands on Implementing an IPsec VPN. SSL VPNs Layer 4 VPNs, advantages, disadvantages. SSL. TLS. TLS negotiation, TLS authentication. TLS and certificates. Hands on Implementing a SSL VPN. MPLS VPNs Introduction to MPLS, why use MPLS, Headers, architecture, label switching, LDP, MPLS VPNs, L2 versus L3 VPNs. Point to point versus multipoint MPLS VPNs. MBGP and VRFs and their use in MPLS VPNs. Hands on Implementing a MPLS L3 VPN. Penetration testing Hacking webservers, web applications, Wireless networks and mobile platforms. Concepts, threats, methodology. Hands on Hacking tools and countermeasures.

Securing Linux systems training course description This course teaches you everything you need to know to build a safe Linux environment. The first section handles cryptography and authentication with certificates, openssl, mod_ssl, DNSSEC and filesystem encryption. Then Host security and hardening is covered with intrusion detection, and also user management and authentication. Filesystem Access control is then covered. Finally network security is covered with network hardening, packet filtering and VPNs. What will you learn Secure Linux accounts. Secure Linux file systems. Secure Linux access through the network. Securing Linux systems training course details Who will benefit: Linux technical staff needing to secure their systems. Prerequisites: Linux system administration (LPIC-1) Duration 5 days Securing Linux systems training course contents Cryptography Certificates and Public Key Infrastructures X.509 certificates, lifecycle, fields and certificate extensions. Trust chains and PKI. openssl. Public and private keys. Certification authority. Manage server and client certificates. Revoke certificates and CAs. Encryption, signing and authentication SSL, TLS, protocol versions. Transport layer security threats, e.g. MITM. Apache HTTPD with mod_ssl for HTTPS service, including SNI and HSTS. HTTPD with mod_ssl to authenticate users using certificates. HTTPD with mod_ssl to provide OCSP stapling. Use OpenSSL for SSL/TLS client and server tests. Encrypted File Systems Block device and file system encryption. dm-crypt with LUKS to encrypt block devices. eCryptfs to encrypt file systems, including home directories and, PAM integration, plain dm-crypt and EncFS. DNS and cryptography DNSSEC and DANE. BIND as an authoritative name server serving DNSSEC secured zones. BIND as an recursive name server that performs DNSSEC validation, KSK, ZSK, Key Tag, Key generation, key storage, key management and key rollover, Maintenance and resigning of zones, Use DANE. TSIG. Host Security Host Hardening BIOS and boot loader (GRUB 2) security. Disable useless software and services, sysctl for security related kernel configuration, particularly ASLR, Exec-Shield and IP / ICMP configuration, Exec-Shield and IP / ICMP configuration, Limit resource usage. Work with chroot environments, Security advantages of virtualization. Host Intrusion Detection The Linux Audit system, chkrootkit, rkhunter, including updates, Linux Malware Detect, Automate host scans using cron, AIDE, including rule management, OpenSCAP. User Management and Authentication NSS and PAM, Enforce password policies. Lock accounts automatically after failed login attempts, SSSD, Configure NSS and PAM for use with SSSD, SSSD authentication against Active Directory, IPA, LDAP, Kerberos and local domains, Kerberos and local domains, Kerberos tickets. FreeIPA Installation and Samba Integration FreeIPA, architecture and components. Install and manage a FreeIPA server and domain, Active Directory replication and Kerberos cross-realm trusts, sudo, autofs, SSH and SELinux integration in FreeIPA. Access Control Discretionary Access Control File ownership and permissions, SUID, SGID. Access control lists, extended attributes and attribute classes. Mandatory Access Control TE, RBAC, MAC, DAC. SELinux, AppArmor and Smack. etwork File Systems NFSv4 security issues and improvements, NFSv4 server and clients, NFSv4 authentication mechanisms (LIPKEY, SPKM, Kerberos), NFSv4 pseudo file system, NFSv4 ACLs. CIFS clients, CIFS Unix Extensions, CIFS security modes (NTLM, Kerberos), mapping and handling of CIFS ACLs and SIDs in a Linux system. Network Security Network Hardening FreeRADIUS, nmap, scan methods. Wireshark, filters and statistics. Rogue router advertisements and DHCP messages. Network Intrusion Detection ntop, Cacti, bandwidth usage monitoring, Snort, rule management, OpenVAS, NASL. Packet Filtering Firewall architectures, DMZ, netfilter, iptables and ip6tables, standard modules, tests and targets. IPv4 and IPv6 packet filtering. Connection tracking, NAT. IP sets and netfilter rules, nftables and nft. ebtables. conntrackd Virtual Private Networks OpenVPN server and clients for both bridged and routed VPN networks. IPsec server and clients for routed VPN networks using IPsec-Tools / racoon. L2TP.