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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