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i'm facing a problem both on firefox(no addons) & chrome (ubuntu 12.04), some sites like facebook, askubuntu, deviantart are not loading even after 10-15minutes of time. but youtube videos or other sites are running quiet well. The problem is webpage specific, if anyone knows how to get rid of the problem please help.

thanks in advance

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In firefox: try see if the error console says anything specific? (from the menu: Tools > Web Developer > Error Console) – Gertjan Oct 4 '12 at 21:08

closed as too localized by maythux, devav2, RolandiXor♦, con-f-use, Jorge Castro Oct 9 '12 at 21:39

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2 Answers

up vote 1 down vote accepted

When random sites are working while others are not I always check for MTU issue (or PMTU discovery) first. I'd recommend trying this and see if that helps:

sudo iptables -t mangle -I OUTPUT -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu

For more information on this: http://lartc.org/howto/lartc.cookbook.mtu-mss.html

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up vote 1 down vote

Try to remove your browser cache, in Firefox by selecting "Extras" → "Remove newest history". Make sure, that all the ticks are selected. It's possible that your computer loaded the webpages wrongly

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i have tried that.. but not only firefox, newly installed chrome or midori are also affected with the same issue.. – Avik Datta Oct 5 '12 at 13:35

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