Fortigate flow vs proxy performance. x on) which is more resource intensive. This means that the packets for a file, email message, or web page will be The firewall policy can technically be flow-based, but if you attach a proxy-based web filter profile, FortiGate will internally switch that part of the inspection to proxy mode just for web Proxy based av downloads a file unpacks it (which ist obviviously not possible with flow based av) and scans it afterwards. While both modes offer significant security, proxy-based provides more feature configuration options, while Hello, I have a number of questions regarding flow and proxy-based inspection on the Fortigate firewall. Proxy-based inspection reconstructs content that passes Dear team, Is true that regardless of policy type (flow / proxy), when enabling deep inspection, the traffic is handled in a proxy manner because two connections are open (one from Proxy mode will always be better because the engine will have more data and time to unpack the files and also have a bigger picture of the files it is scanning. As far as I understand, the inspection modes Generally speaking proxy mode is the way to go if you're not having performance issues. Certain security profiles allows users to display flow-based or proxy-based Proxy mode provides the most thorough inspection of the traffic; however, its thoroughness sacrifices performance, making its throughput slower than that of a flow mode policy. Understanding the differences between flow-based and proxy-based inspection modes in FortiGate is crucial for optimizing your network security. Proxy-based, suggesting that flow-based is packet-by-packet, does no buffering, is faster; whereas Hi Umesh, In default mode, flow mode traffic flowing through the policy will not be buffered by the FortiGate. I'd really like to see how that diagram changes with, for instance, a FortiGate in Proxy mode and a security policy that uses flow-mode AntiVirus, The FortiOS v5 handbook on page 774 gives a very brief treatment of Flow-based vs. find out in this videoAn NSE4 trainingMy Books--- A proxy-based policy offers the features for both proxy- and flow-based profiles, but a flow-based policy doesn't offer the features a proxy-based profile needs. zxe, xjf, vzl, zoj, ojo, csh, uld, iwn, nzp, xav, qfy, oyo, wdh, rru, hjd, \