![]() ![]() Figure 8: Traffic Shaper Wizard Here are the options for types of traffic that can be prioritized. The first time you go to the Traffic Shaper (Firewall-Traffic Shaper) you will be presented with the wizard interface, which will step you through setting up traffic queues for the traffic you want to shape. If you need to track down any issues, there is a more detailed log you can use. Figure 5: Squid Cache Management settings To verify your Squid install, check the System Log ( Status-System Log). Figure 5 shows the settings for Cerberus. I’ve also changed the memory replacement policy to Heap-LFUDA (Least Frequently Used with Dynamic Aging). 0 (no limit) Maximum Object Size Largest object to cache, in kilobytes 256 Table 2: Squid Cache Management configuration tab values I have also tweaked the optional tuning values: used threaded access to the UFS file system and since I have cycles to spare and a large cache, I’ve doubled the number of level 1 directories. Setting Explanation Value Hard disk cache size Disk size limit in megabytes 61400 Hard disk cache location Where the cache is stored /var/squid/log Memory cache size Megabytes of memory cache 300 Minimum Object Size Smallest object to cache, in kilobytes. Having calculated our sizes, we are ready to fill in the Cache Management configuration tab values, as summarized in Table 2. PfSense has built -in Multi-Wan failover and load balancing, utilizing three tiers of cascading gateways: a single load balancer gateway and a gateway for each ISP fail-over point, each having a separate ping heartbeat (say the IPs for Google or Yahoo) that points to the gateway to the ISP. Setting up CARP is outside the scope of this article (I don’t have two pfSense boxes, but it appears to be straightforward). Hardware failover is handled through synchronized clustering of two separate pfSense boxes, utilizing the pfSense package CARP. PfSense provides for hardware failover, network load balancing and failover, and a plethora of ways of monitoring its current and historical status. Any primary network gateway needs to provide for failover, at both the hardware and the provider level. ![]() PfSense Grade: B Enterprise Capabilities To paraphrase Doctor Strangelove, “What use is threat management if you don’t have a network?” Safe network access has become indispensable. These limitations are well documented and a thumbnail of the issues is covered on the. ![]()
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