4272 Technology courses in Leeds delivered Online

This course will help you get started with automation testing of web applications. You will cover the basic and advanced topics of Selenium and Python, along with unit tests, pytest, cross-browser testing, logging infrastructure, automation framework design, Jenkins, and a lot more.

CCTV Surveillance, Close Protection, Cyber Security & Lifeguard Training Are you looking for any course like CCTV Operator Training to keep your community safe? We have designed an amazing CCTV Operator Training course for you to train about this instrument and its activities. This CCTV Operator Training will teach you everything to getting into an exciting and rewarding field. From the CCTV Operator Training, you'll learn about the different types of CCTV systems and how to operate them effectively. Also, the CCTV Operator Training teaches how to identify and report suspicious activity. Moreover, the CCTV Operator Training explains the legal and ethical considerations of CCTV operation. overall, the CCTV Operator Training is perfect for learning how to protect your data. Enrol our CCTV Operator Training to learn about monitoring CCTV footage so that you can report any suspicious activity with proper proof. Learning Outcome of CCTV Operator Training After the CCTV Operator Training completion learners will know about: The introduction to CCTV systems. CCTV Operator Training teaches CCTV camera technology. Video signals and transmission are also described in the CCTV Operator Training. CCTV Operator Training elaborates on the CCTV recording techniques and storage system. Monitoring, control, CCTV system setup and configuration are included in this CCTV Operator Training. CCTV Operator Training involves CCTV system maintenance and troubleshooting methods. Legal and ethical considerations are beautifully described in this CCTV Operator Training. You will learn to handle emergency response and incident handling with the help of this CCTV Operator Training. Main Course: CCTV Operator Training Free Courses are including with this CCTV Operator Training Course Along with The CCTV Operator Training Course, We Offer a free Close Protection Course Along with The CCTV Operator Training Course, We Offer a free Cyber Security Course Along with The CCTV Operator Training Course, We Offer a free Lifeguard Training Course Special Offers of this CCTV Operator Training Course This CCTV Operator Training Course includes a FREE PDF Certificate. Lifetime access to this CCTV Operator Training Course Instant access to this CCTV Operator Training Course Get FREE Tutor Support from Monday to Friday in this CCTV Operator Training Course [ Note: Free Digital certificate as soon as completing the CCTV Operator Training Course] CCTV Surveillance, Close Protection, Cyber Security & Lifeguard Training Embark on an enriching journey with our CCTV Operator Training, designed to equip you with the essential skills for a compelling and gratifying career. Throughout the program, you will delve into diverse aspects, including an in-depth understanding of various CCTV systems and the proficient operation thereof. The curriculum not only imparts knowledge on effective system utilization but also guides you in identifying and reporting suspicious activities. Furthermore, our CCTV Operator Training sheds light on the legal and ethical dimensions of CCTV operation. In essence, this comprehensive training is an ideal resource for mastering the art of safeguarding your data. Who is this course for? CCTV Surveillance, Close Protection, Cyber Security & Lifeguard Training This CCTV Operator Training is suitable for anyone interested in understanding the intricacies of CCTV technology. Requirements CCTV Surveillance, Close Protection, Cyber Security & Lifeguard Training To enrol in this CCTV Operator Training Course, students must fulfil the following requirements. To join in our CCTV Operator Training Course, you must have a strong command of the English language. To successfully complete our CCTV Operator Training Course, you must be vivacious and self driven. To complete our CCTV Operator Training Course, you must have a basic understanding of computers. A minimum age limit of 15 is required to enrol in this CCTV Operator Training Course. Career path CCTV Surveillance, Close Protection, Cyber Security & Lifeguard Training After completing the CCTV Operator Training, various job opportunities will be open for you. Such as: Entry-level CCTV Operator Experienced CCTV Operator Senior CCTV Operator CCTV Control Room Manager

CPD Accredited | Career Oriented Learning Modules | 24x7 Tutor Support | Lifetime Access

The series CompTIA A+ 900 Certification Advanced Diploma provides an extensive lesson about CompTIA A+ 900 Certification. A+ Certification is one of the leading certificates in the computer industry. It certifies the competency of PC Service Specialists. Sponsored by CompTIA - the Computing Technology Industry Association, and tests, the course is administered by Pearson VUE. The course includes more than 50 lessons related to the Computer industry. The course starts by describing firmware and BIOS configuration options. After that, the course will teach you about the motherboard basics including motherboard sizes, form factors, and AMD CPU socket types. The course also includes topics such as Expansion slots, RAM types and features, install and configure PC expansion cards, install and configure storage device, CPU's and cooling methods and PC connection interfaces. The course will also focus on power supplies, PC connectors, printing technologies, networking tools, etc. In short, the course provides all the necessary information about computer hardware and operating system. Course Highlights The price is for the whole course including final exam - no hidden fees Accredited Certificate upon successful completion Efficient exam system with instant results Track progress within own personal learning portal 24/7 customer support via live chat This valuable course is suitable for anyone interested in working in this sector or who simply wants to learn more about the topic. If you're an individual looking to excel within this field then CompTIA A+ 900 Certification Advanced Diploma is for you. We've taken this comprehensive course and broken it down into several manageable modules which we believe will assist you to easily grasp each concept - from the fundamental to the most advanced aspects of the course. It really is a sure pathway to success. All our courses offer 12 months access and are designed to be studied at your own pace so you can take as much or as little time as you need to complete and gain the accredited qualification. We pride ourselves on having friendly and experienced instructors who provide full weekday support and are ready to help with any of your queries. So, if you need help, just drop them an email and await a speedy response. Furthermore, you can check the validity of your qualification and verify your certification on our website at anytime. So, why not improve your chances of gaining professional skills and better earning potential. Assessment and Certification At the end of the course, you will be required to sit an online multiple-choice test. Your test will be assessed automatically and immediately so that you will instantly know whether you have been successful. After you have successfully passed the final exam, you will be able to order an Accredited Certificate of Achievement at an additional cost of £19 for a PDF copy and £29 for an original print copy sent to you by post or for both £39. Career Path Not only does our accredited course look good on your CV, setting you apart from the competition, it can be used as a stepping stone to greater things. Further advance your learning, launch a new career or reinvigorate an existing one. On successful completion of this course, you have the potential to achieve an estimated salary of £30,000. The sky really is the limit. Course Curriculum Configuring BIOS Firmware 00:07:00 BIOS Configuration Options 00:25:00 Motherboards Motherboard Sizes Form Factors 00:14:00 The Motherboard 00:12:00 AMD CPU Socket Types 00:11:00 Expansion Slots Expansion Cards 00:13:00 Bus Speeds 00:28:00 RAM Types and Features Memory 00:06:00 Types of RAM 00:07:00 Install and Configure PC Expansion Cards Ports 00:11:00 SCSI Connections 00:14:00 Audio Video Connections 00:26:00 Install and Configure Storage Devices Storage Devices 00:17:00 Hard Drives 00:17:00 Media Capacity 00:21:00 CPU's and Cooling Methods CPU Types and Characteristics 00:14:00 PC Connection Interfaces Physical Connections USB 00:11:00 Physical Connections VGA 00:11:00 Wireless Connections Bluetooth 00:06:00 Power Supplies Power Supply Specifications 00:16:00 Custom Computer Specifications What is a Standard Client 00:13:00 Audio Video Editing Workstations 00:08:00 Installing Displays Display Device Types 00:20:00 Backlighting 00:12:00 PC Connectors DVI to HDMI 00:13:00 Installing Peripheral Standard Input Device Types 00:16:00 Expansion Card Types 00:11:00 Multimedia Devices 00:11:00 Installing Multifunction Devices and SOHO Networks SOHO Networks 00:17:00 WPS 00:16:00 Encryption 00:14:00 Printer Technologies Printers 00:02:00 Printer Technologies Topic B Inkjet Printers 00:13:00 Printer Maintenance Technical Printer Components 00:09:00 Local and Network-Based Printers 00:22:00 Networking Network Interface Card Characteristics 00:20:00 Fiber Optic Cables 00:14:00 Properties and Characteristics of TCP/IP TCP IP 00:14:00 IP Address Classes 00:14:00 Addressing Schemes 00:17:00 TCP vs. UDP Ports 00:09:00 LDAP 00:04:00 Wi-Fi Networking Standards and Encryption Types Standards 00:03:00 Install and Configure SOHO Wireless/Wired Router Setting up your Router 00:10:00 Define Appropriate NAT Policies 00:16:00 Architecture and Internet Connection Types LANs 00:08:00 Network Topologies 00:11:00 ISPs 00:06:00 Networking Tools Cable Testers 00:13:00 Laptop Hardware Components Laptops 00:09:00 Laptop Expansion Options 00:10:00 Auto-Switching and Fixed Input Power Supplies 00:09:00 Mobile Devices What is Mobile Technology 00:09:00 Mobile Device Features 00:09:00 Bluetooth Configuration Method 00:08:00 Mobile Device Ports and Accessories Mobile Device Connection Types 00:10:00 Troubleshooting Mobile Devices 00:11:00 Troubleshooting Theory Troubleshooting Theory 00:16:00 Boot to Incorrect Device 00:16:00 PC Indicator Lights 00:10:00 Repair vs. Replace 00:10:00 Troubleshooting RAID Arrays and Hard Drives Drive and Array Troubleshooting Tools 00:06:00 Common RAID Array Issues 00:17:00 Troubleshooting Video Common Video and Display Issues 00:01:00 Troubleshooting Network Issues Common Network Issues 00:12:00 Troubleshooting Printers Common Printer Troubleshooting Tools 00:14:00 Windows Operating Systems Microsoft Windows 00:12:00 Microsoft Windows Features 00:17:00 Other Operating Systems 01:00:00 Installation Types 00:14:00 Customizing System Options 00:19:00 Command Line Tools The Command Prompt 00:12:00 Microsoft Operating System Features and Tools Administrative Tools 00:41:00 Task Manager 00:28:00 Memory Diagnostic Tool 00:46:00 Control Panel Utilities The Control Panel 00:11:00 Internet Options 00:10:00 Types of User Accounts 00:11:00 Computer My Computer 00:13:00 Permissions 00:31:00 System 00:10:00 Windows Networking on Client Desktops Workgroups 00:20:00 Network Connection Types 00:18:00 Preventative Maintenance Data Backup and Restoration 00:11:00 Scheduling Tasks 00:26:00 Features and Functionality of the Mac OS and Linux Operating Systems Patch Management in Mac OS X and Linux 00:09:00 Screen Sharing 00:06:00 Mac OS Multitouch Gestures - Touchscreen 00:09:00 Client Side Virtualization What is Virtualization 00:08:00 Virtual Desktop Infrastructure 00:12:00 Cloud-based Concepts SaaS (Software as Service) 00:09:00 Network Host Properties Server Roles 00:12:00 Mobile Operating Systems Open Source Software 00:03:00 Mobile Device Network and E-mail Mobile Device Hotspot 00:10:00 Security Malware 00:09:00 Social Engineering 00:13:00 Prevention Methods Physical Security 00:14:00 Hard Drive Sanitation 00:14:00 User Education 00:26:00 Windows Security Settings Users and Groups 00:11:00 Security Best Practices Password Best Practices 00:04:00 Securing Mobile Devices Locks 00:07:00 Troubleshooting Common PC Tools Operating System Troubleshooting Tools 00:12:00 Application Errors 00:16:00 Common Network Issues 00:12:00 Common Security Issues 00:10:00 Common PC Security Issues Browser Issues 00:06:00 Common Mobile Operating Systems Troubleshooting Dim Display 00:09:00 No Sound from Speakers 00:07:00 Common Safety Practices Static Electricity 00:14:00 Electrical Hazards 00:12:00 General Power Issues 00:10:00 Hazardous Material Disposal Procedures 00:07:00 Maintenance Tools and Techniques Professional Conduct 00:11:00 Types of Hardware Toolkits 00:11:00 Hard Drive Self-Tests 00:05:00 Computer Component Maintenance Techniques 00:10:00 Privacy and Licensing Concepts Incident Response 00:08:00 Proper Communication and Professionalism 00:07:00 Set Expectations 00:06:00 Mock Exam Mock Exam - CompTIA A+ 900 Certification Advanced Diploma 00:20:00 Final Exam Final Exam - CompTIA A+ 900 Certification Advanced Diploma 00:20:00

Using Ansible to automate local and cloud configuration management tasks with Playbooks

'There are 10 types of people in this world, those who understand binary and those who don't.' Computer science is currently one of the most sought-after skills in the job market and ranks among the top ten highest-paying degrees in the UK. With an average salary of £57,500, expertise in computer science is highly valued due to the ever-evolving technological landscape. Our comprehensive computer science course is designed to provide you with the knowledge and skills necessary to stay ahead in this competitive field. This computer science course is an excellent starting point for anyone interested in exploring the principles of computer science or pursuing a career in programming or software development. Through detailed instruction and hands-on experience, you'll gain the insights needed to excel and adapt in the rapidly changing world of technology. Along with this Computer Science course, you will get 10 premium courses, an original hardcopy, 11 PDF Certificates (Main Course + Additional Courses) Student ID card as gifts. Begin your journey into the realm of computer science today and equip yourself with the tools to thrive in the dynamic tech industry! This Computer Science Bundle Consists of the following Premium courses: Course 01: Computer Science With Python Course 02: Python Programming for Everybody Course 03: Cloud Computing / CompTIA Cloud+ (CV0-002) Course 04: Coding with HTML, CSS, & Javascript Course 05: Diploma in PHP Web Development Course 06: Ultimate PHP & MySQL Web Development Course & OOP Coding Course 07: Ethical Hacking with Kali Linux Course 08: SQL Server for Beginners Course 09: Encryption Course 10: Level 3 Cyber Security Course 11: Building Your Own Computer Key Features of the Course: FREE Computer Science - CPD Certified Training CPD-accredited certificate Get a free student ID card with Computer Science - CPD Certified Training (£10 applicable for international delivery) Lifetime access to the Computer Science - CPD Certified Training course materials The Computer Science - CPD Certified Training program comes with 24/7 tutor support Get instant access to this Computer Science - CPD Certified Training course Learn Computer Science - CPD Certified Training from anywhere in the world The Computer Science - CPD Certified Training is affordable and simple to understand The Computer Science - CPD Certified Training is entirely online Learning Outcomes: Upon completing this comprehensive Computer Science - CPD Certified course bundle, you will be able to: Develop and apply Python programming skills for various applications. Utilize HTML, CSS, and JavaScript for web development and design. Implement and manage cloud solutions with CompTIA Cloud+ (CV0-002). Design and build dynamic web applications using PHP and MySQL. Perform ethical hacking and understand cybersecurity principles with Kali Linux. Encrypt and secure data effectively while gaining foundational knowledge in SQL Server and building your own computer. Certificate: PDF Certificate: Free (Previously it was £6*11 = £66) Hard Copy Certificate: Free (For The Title Course: Previously it was £10) The bundle incorporates basic to advanced level skills to shed some light on your way and boost your career. Hence, you can strengthen your Computer Science expertise and essential knowledge, which will assist you in reaching your goal. CPD 115 CPD hours / points Accredited by CPD Quality Standards Who is this course for? Anyone from any background can enrol in this Computer Science bundle. Requirements Our Computer Science is fully compatible with PC's, Mac's, laptops, tablets and Smartphone devices. This Computer Science course has been designed to be fully compatible with tablets and smartphones so that you can access your course on Wi-Fi, 3G or 4G. Career path People in this sector tend to pursue their careers in the following professions Software Engineer Database Administrator Network Systems Administrator Web Developer Information Security Analyst The salary range for Computer Science professions in the UK is typically between £40,000 and £60,000 per annum. Certificates Certificate of completion Digital certificate - Included Certificate of completion Hard copy certificate - Included You will get the Hard Copy certificate for the title course (Computer Science With Python) absolutely Free! Other Hard Copy certificates are available for £10 each. Please Note: The delivery charge inside the UK is £3.99, and the international students must pay a £9.99 shipping cost.

In a world increasingly driven by technology, understanding data protection and cyber security is no longer optional – it’s essential. Our General Data Protection Regulation & Cyber Security Awareness With Complete Career Guide Course offers learners a clear and engaging journey into the fundamental principles shaping today’s digital responsibilities. This course expertly outlines key GDPR concepts, online security essentials, and professional pathways, ensuring you are well-prepared to navigate digital spaces with confidence. Designed for individuals keen to enhance their understanding of personal data handling and online safety, this course strikes the perfect balance between thorough knowledge and accessible learning. Whether you’re eyeing a role in data governance or simply wishing to boost your awareness, this learning experience provides a solid foundation to build your future steps securely and smartly. ________________________________________________________________________ Key Features: CPD Certified General Data Protection Regulation & Cyber Security Awareness With Complete Career Guide 10 Instant e-certificate and hard copy dispatch by next working day Fully online, interactive course with audio voiceover Developed by qualified professionals in the field Self-paced learning and laptop, tablet, smartphone-friendly 24/7 Learning Assistance Discounts on bulk purchases Course Curriculum: General Data Protection Regulation (GDPR) Awareness Module 01: GDPR Basics Module 02: GDPR Explained Module 03: Lawful Basis for Preparation Module 04: Rights and Breaches Module 05: Responsibilities and Obligations Cyber Security Awareness Training Module 01: Introduction to Cyber Security Module 02: Cyber Attacks Module 03: Cybercrimes Module 04: Cyber Security and Data Breaches Module 05: Password Management Module 06: Internet Browsing Module 07: Office and Remote Work Security Module 08: Device Management Module 09: Preventative Measures ________________________________________________________________________ Complete Career Guide for General Data Protection Regulation & Cyber Security Awareness (A to Z) This isn't just a course; it's your ticket to thriving in the sector and your roadmap to the Cyber Security. In addition to mastering the essentials of Cyber Security, you'll also gain valuable skills in CV writing, job searching, communication, leadership, and project management. These 9 complementary courses are designed to empower you at every stage of your journey. Stand out in your career, from crafting a winning CV to excelling in interviews. Develop the leadership skills to inspire your team and efficiently manage projects. This holistic approach ensures you're not just job-ready but career-ready. Enrol today, and let's build your success story together in Cyber Security. Your dream career starts here! List of career guide courses included in General Data Protection Regulation & Cyber Security Awareness With Complete Career Guide: Course 01: Professional CV Writing and Job Searching Course 02: Communication Skills Training Course 03: Career Development Training Course 04: Time Management Course 05: Returning to Work Training Course 06: Level 3 Diploma in Project Management Course 07: Leadership Skills Course 08: Body Language Course 09: Interview and Recruitment ________________________________________________________________________ Learning Outcomes: GDPR Mastery: Understand the fundamental principles and intricacies of GDPR. Legal Compliance: Comprehend the lawful basis for data processing and protection. Rights and Breaches: Gain insight into individual rights and protocol during breaches. Responsibility Awareness: Recognize organizational obligations and responsibilities in data protection. Cyber Security Fundamentals: Grasp the basics of cyber security, including threats and prevention. Practical Security Measures: Implement effective measures in password management, internet browsing, and device security. ________________________________________________________________________ Accreditation All of our courses, including the General Data Protection Regulation & Cyber Security Awareness With Complete Career Guide course, are fully accredited, providing you with up-to-date skills and knowledge and helping you to become more competent and effective in your chosen field. Certification Once you've successfully completed your General Data Protection Regulation & Cyber Security Awareness With Complete Career Guide, you will immediately be sent your digital certificates. Also, you can have your printed certificate delivered by post (shipping cost £3.99). Our certifications have no expiry dates, although we recommend renewing them every 12 months. Assessment At the end of the courses, there will be an online assessment, which you will need to pass to complete the course. Answers are marked instantly and automatically, allowing you to know straight away whether you have passed. If you haven't, there's no limit on the number of times you can take the final exam. All this is included in the one-time fee you paid for the course itself. CPD 100 CPD hours / points Accredited by CPD Quality Standards Who is this course for? Professionals dealing with data processing and protection. Individuals seeking comprehensive GDPR and cyber security knowledge. Business owners and managers responsible for data security. Employees in various sectors aiming to enhance cyber awareness. Career path Data Protection Officer - £45K to 60K/year. Cyber Security Analyst - £35K to 50K/year. Compliance Manager - £40K to 55K/year. IT Security Consultant - £50K to 70K/year. Risk Management Specialist - £45K to 65K/year. Certificates 11 CPD Accredited e-Certificates Digital certificate - Included 11 CPD Accredited Hard Copy Certificates Hard copy certificate - Included

Food Safety in Catering Diploma Transform your catering business with our Food Safety in Catering Diploma. Elevate Food Safety standards across your operations. Set the benchmark for Food Safety excellence in catering. Learning Outcomes: Implement Food Safety Management Systems in catering. Conduct hazard analysis focused on Food Safety. Monitor and control risks to ensure Food Safety. Understand the basics of catering services with Food Safety in mind. Integrate food hygiene and health within Food Safety protocols. More Benefits: LIFETIME access Device Compatibility Free Workplace Management Toolkit Key Modules from Food Safety in Catering Diploma: Importance of Food Safety Management Systems Implement and manage comprehensive Food Safety Management Systems tailored for catering services. Hazard Analysis for Food Safety Conduct in-depth hazard analyses to bolster Food Safety measures in your catering business. Monitoring and Control Monitor and control food handling processes to maintain optimal Food Safety standards. Basics of Catering Services Master the basics of catering services, underpinned by stringent Food Safety regulations. Food Hygiene, Health, and Food Safety Incorporate hygiene and health best practices to fortify Food Safety in all catering operations. Culinary Management Optimize culinary management practices to uphold the highest standards of Food Safety.

Full Stack Development encompasses the complete creation of end-to-end development of both the front-end and back-end of an application. LSET Bridges The Gap Between Education And Employment

Duration 4 Days 24 CPD hours This course is intended for Security engineers Security administrators Security architects Operations engineers Network engineers Network administrators Network or security technicians Network managers System designers Cisco integrators and partners Overview After taking this course, you should be able to: Describe and administer the Cisco Email Security Appliance (ESA) Control sender and recipient domains Control spam with Talos SenderBase and anti-spam Use anti-virus and outbreak filters Use mail policies Use content filters Use message filters to enforce email policies Prevent data loss Perform LDAP queries Authenticate Simple Mail Transfer Protocol (SMTP) sessions Authenticate email Encrypt email Use system quarantines and delivery methods Perform centralized management using clusters Test and troubleshoot This course shows you how to deploy and use Cisco© Email Security Appliance to establish protection for your email systems against phishing, business email compromise, and ransomware, and to help streamline email security policy management. This hands-on course provides you with the knowledge and skills to implement, troubleshoot, and administer Cisco Email Security Appliance, including key capabilities such as advanced malware protection, spam blocking, anti-virus protection, outbreak filtering, encryption, quarantines, and data loss prevention. This course helps you prepare to take the exam, Securing Email with Cisco Email Security Appliance (300-720 SESA). Describing the Cisco Email Security Appliance Cisco Email Security Appliance Overview Technology Use Case Cisco Email Security Appliance Data Sheet SMTP Overview Email Pipeline Overview Installation Scenarios Initial Cisco Email Security Appliance Configuration Centralizing Services on a Cisco Administering the Cisco Email Security Appliance Distributing Administrative Tasks System Administration Managing and Monitoring Using the Command Line Interface (CLI) Other Tasks in the GUI Advanced Network Configuration Using Email Security Monitor Tracking Messages Logging Controlling Sender and Recipient Domains Public and Private Listeners Configuring the Gateway to Receive Email Host Access Table Overview Recipient Access Table Overview Configuring Routing and Delivery Features Controlling Spam with Talos SenderBase and Anti-Spam SenderBase Overview Anti-Spam Managing Graymail Protecting Against Malicious or Undesirable URLs File Reputation Filtering and File Analysis Bounce Verification Using Anti-Virus and Outbreak Filters Anti-Virus Scanning Overview Sophos Anti-Virus Filtering McAfee Anti-Virus Filtering Configuring the Appliance to Scan for Viruses Outbreak Filters How the Outbreak Filters Feature Works Managing Outbreak Filters Using Mail Policies Email Security Manager Overview Mail Policies Overview Handling Incoming and Outgoing Messages Differently Matching Users to a Mail Policy Message Splintering Configuring Mail Policies Using Content Filters Content Filters Overview Content Filter Conditions Content Filter Actions Filter Messages Based on Content Text Resources Overview Using and Testing the Content Dictionaries Filter Rules Understanding Text Resources Text Resource Management Using Text Resources Using Message Filters to Enforce Email Policies Message Filters Overview Components of a Message Filter Message Filter Processing Message Filter Rules Message Filter Actions Attachment Scanning Examples of Attachment Scanning Message Filters Using the CLI to Manage Message Filters Message Filter Examples Configuring Scan Behavior Preventing Data Loss Overview of the Data Loss Prevention (DLP) Scanning Process Setting Up Data Loss Prevention Policies for Data Loss Prevention Message Actions Updating the DLP Engine and Content Matching Classifiers Using LDAP Overview of LDAP Working with LDAP Using LDAP Queries Authenticating End-Users of the Spam Quarantine Configuring External LDAP Authentication for Users Testing Servers and Queries Using LDAP for Directory Harvest Attack Prevention Spam Quarantine Alias Consolidation Queries Validating Recipients Using an SMTP Server SMTP Session Authentication Configuring AsyncOS for SMTP Authentication Authenticating SMTP Sessions Using Client Certificates Checking the Validity of a Client Certificate Authenticating User Using LDAP Directory Authenticating SMTP Connection Over Transport Layer Security (TLS) Using a Client Certificate Establishing a TLS Connection from the Appliance Updating a List of Revoked Certificates Email Authentication Email Authentication Overview Configuring DomainKeys and DomainKeys Identified Mail (DKIM) Signing Verifying Incoming Messages Using DKIM Overview of Sender Policy Framework (SPF) and SIDF Veri?cation Domain-based Message Authentication Reporting and Conformance (DMARC) Verification Forged Email Detection Email Encryption Overview of Cisco Email Encryption Encrypting Messages Determining Which Messages to Encrypt Inserting Encryption Headers into Messages Encrypting Communication with Other Message Transfer Agents (MTAs) Working with Certificates Managing Lists of Certificate Authorities Enabling TLS on a Listener?s Host Access Table (HAT) Enabling TLS and Certi?cate Verification on Delivery Secure/Multipurpose Internet Mail Extensions (S/MIME) Security Services Using System Quarantines and Delivery Methods Describing Quarantines Spam Quarantine Setting Up the Centralized Spam Quarantine Using Safelists and Blocklists to Control Email Delivery Based on Sender Configuring Spam Management Features for End Users Managing Messages in the Spam Quarantine Policy, Virus, and Outbreak Quarantines Managing Policy, Virus, and Outbreak Quarantines Working with Messages in Policy, Virus, or Outbreak Quarantines Delivery Methods Centralized Management Using Clusters Overview of Centralized Management Using Clusters Cluster Organization Creating and Joining a Cluster Managing Clusters Cluster Communication Loading a Configuration in Clustered Appliances Best Practices Testing and Troubleshooting Debugging Mail Flow Using Test Messages: Trace Using the Listener to Test the Appliance Troubleshooting the Network Troubleshooting the Listener Troubleshooting Email Delivery Troubleshooting Performance Web Interface Appearance and Rendering Issues Responding to Alerts Troubleshooting Hardware Issues Working with Technical Support References Model Specifications for Large Enterprises Model Specifications for Midsize Enterprises and Small-to-Midsize Enterprises or Branch O?ces Cisco Email Security Appliance Model Specifications for Virtual Appliances