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SubjectRe: [PATCH] fix tcp_default_win_scale.
It's been a while since I used a 1460 MTU for PPTP over DSL, but unless 
OSDN got a clue recently, their firewalls drop the ICMP for PMTU
discovery. Does anyone have a tool that exercises a bunch of TCP/IP
options to detect such broken firewalls?

David

David S. Miller wrote:

>[...]
>Frankly, I've personally seen none of this. I sit on a DSL line with
>no firewalling at my end and I can access all sites just fine. This
>seems to indicate that most of the breakage is local to the user's
>point of access to the net, rather than a firewall at google.com
>or kernel.org or similar.
>
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