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Slow connection firefox linux with IPS/IDS enabled

Hi,
I have UTM 9.3 with IPS/IDS enabled. When I browse (with firefox) the internet (CentOS 7), it takes ages to load, about 3-4 seconds. So I made an exception in IPS for this PC but still slow.
When I disable IPS/IDS, that pages load instantly! Also I don't see any hits in the live log...
Has someone an idea what rule (id) causes this behavior?

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0 darrellr_01 over 10 years ago

Probably DNS setting rather than rule.

Add the following line to your resolv.conf:
options single-request-reopen

See if that helps.
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0 PabloDiablo over 10 years ago in reply to darrellr_01

thanks for the suggestion! It now loads the pages as it should be.
But now it has to be a persistent setting. When I reboot the PC this option is removed from resolv.conf [:(]
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0 PabloDiablo over 10 years ago

already found it! thanks
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