DNS caching & webfilter-caching Fortigate V4 MR3

show dns settings

#config system dns
       show system dns

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#config system dns
       set dns-cache-limit 999999999
    set dns-cache-ttl 7200
end

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show webfilter settings

#config system fortiguard
      show system fortiguard

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# config system fortiguard
    set webfilter-cache-ttl 86400
end