I'm having some performance issues with a particular site. I opened a case, but I thought I would pick people's brains here.
I'm working my way backwards from the client out to the edge of our network to see if there's any obvious issues on my end. Is there any diagnostics or fact finding to determine if my PA3020 is showing any performance or connection problems with a particular website?
Thanks in advance!
First use tools like dev tool integrate in Firefox (for exemple), just to know if the perf issue is comming from one object in the page or gloablly from page.
Then, make pcap in Palo (at drop stage) to know if there is, for any reason drops on network.
After that you can:
disable any profile for bypassing all L7 analyse done by the palo
Create app overide
Create dedicate security rule
Many test to do 🙂
Thank you for responding. Do you know if there's something specific to Chrome I can try? That is the browser that my users are utilizing. I'll look into the traffic tool as well. The engineer didn't see anything obvious from the standard tools, but did want to look into some traffic logging for fragmentation errors.
Do you have a data filtering profile turned on? We have experienced issues in the past depending on what regular expressions were used in that.
Other than that, I agree with VinceM , you can either throw the specific site in an override or put a specific rule in for it that you can remove inspection profiles from to see if a certain one is causing the slowness.
Application Overrides are in a separate policy section. I would suggest using this to rule out inspection as the reason for the slowness but if you notice it resolves it I would take the override out and test a specific rule for the site where you add inspection profiles back until you find the cause. Application overrides basically bypass any inspection.
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