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Can access google only?

May 18, 2010 Leave a comment

This very weird problem started showing up quite sudden in my Debian Lenny installation. In a network that I’ve been using for months.

Symptoms:
-You can access google and all related sites (picasa, google docs, etc)
-You can ping all sites (www.somesite.com) successfully
-Your dns resolves names correctly
-Your browser times out when trying to open any other site but Google!!! wtf?!

This problem happens because your MTU (Maximum Transmission Unit) setting of your interface is wrong. Don’t ask me exactly what is wrong and why it is wrong because i don’t now it :). I DO know how to fix it!

type as root:
# ifconfig eth0 mtu 1400

this should do the trick! The next time you start your PC this setting might have gone lost. try adding that line to the
/etc/rc.d/local

hope this helps!
Centi

Categories: linux, networking Tags: , , ,