{ "item_title" : "FortiGate Practical Troubleshooting & Diagnostics", "item_author" : [" Rob Jeffery "], "item_description" : "Investigate complex FortiGate faults with a structured, command-led approach.Intermittent VPN failures, unexpected routing decisions, inspection problems and performance bottlenecks can be difficult to isolate. Effective troubleshooting means understanding the traffic path, collecting relevant evidence and testing a repair without compromising the controls that protect the network.FortiGate Practical Troubleshooting & Diagnostics by Rob Jeffery develops that approach across routing, security and resilience. Through 28 practical chapters, you will work from an observed symptom through packet captures, session analysis and targeted diagnostics to a focused repair and verified recovery.Inside, you will explore:Routing and traffic paths: route selection, BGP, OSPF, SD-WAN, asymmetric routing and session behaviour.VPN connectivity: IKE negotiation, IPsec selectors, NAT, rekeying, intermittent tunnels and remote access.High availability: election, heartbeat, synchronisation, failover and neighbouring-network convergence.Security inspection and identity: TLS inspection, proxy diagnostics, IPS, application control, web and DNS filtering, LDAP, RADIUS and FSSO.Performance and packet analysis: CPU and memory pressure, latency, packet loss, MTU, MSS and hardware offload.Management and change: administrative access, firmware upgrades, crashes and faults that emerge after a configuration change.Worked command examples and illustrative outputs explain how to interpret observations and decide what to investigate next. Two final practical assessments bring the techniques together, while a question-led command reference, reusable investigation forms and chapter solutions support ongoing study and operational reference.Written for network and security engineers, MSP teams and experienced FortiGate administrators, this book builds on foundational troubleshooting skills. Its emphasis is on making defensible diagnostic decisions and demonstrating that a repair restores the intended service while preserving security controls.Book 2 in The Fortinet Engineer Troubleshooting Series.Published by Maverick Publishing.An independent educational publication, not affiliated with or endorsed by Fortinet.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/9/79/816/416/9798164161866_b.jpg", "price_data" : { "retail_price" : "25.99", "online_price" : "25.99", "our_price" : "25.99", "club_price" : "25.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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