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Sometimes very slow browsing with Opera

Brainscanner
Hi everybody,

I'm often experiencing very slow browsing with Opera. Sometimes the browser is waiting for some server response for a minute or so before continuing. It can be that it downloaded about 1 MB of the page already. So it's clearly not a bandwidth problem.
Accessing SSL encrypted pages is not affected.

This happens with all Opera installations here. Other browsers are working fine.

On the other hand I've never experienced this behaviour using Opera at another site where another type of firewall is used for internet access. So this issue seems to be a combination of both softwares.
If I add an exception for a workstation not to be filtered by the transparent proxy it loads imediately.

Is anybody else experiencing this problem? Does anybody have a idea on how to isolate the problem?

All software is up-to-date:
Opera: 12.10
Astaro: 8.309


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  • 0
    Hi, did you check the http/web security log?

    Barry
  • 0 in reply to BarryG
    I did. The http log doesn't seem to contain anything related.

    The web filtering however contains messages about blocked paged, ads. I blocked that category intentionally. I deactivated that category. I can't be sure, yet. But it feels like that speeds up thing quite a bit.

    My theory is that that is a category that is usually embedded in other sites instead of representing the actual site. Maybe that's a problem for the browser. Let's wait for one or two days and see what happens. I'll report back.

    Thanks for the hint so far!
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  • 0 in reply to BarryG
    I did. The http log doesn't seem to contain anything related.

    The web filtering however contains messages about blocked paged, ads. I blocked that category intentionally. I deactivated that category. I can't be sure, yet. But it feels like that speeds up thing quite a bit.

    My theory is that that is a category that is usually embedded in other sites instead of representing the actual site. Maybe that's a problem for the browser. Let's wait for one or two days and see what happens. I'll report back.

    Thanks for the hint so far!
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