[c-nsp] Can Ping Websites but cannot browse.

[Sridhar Ayengar]

Phil Mayers wrote:
> Alexander Clouter wrote:
>> Phil Mayers <p.mayers at imperial.ac.uk> wrote:
>>> bharath kondi wrote:
>>>> I have a strange situation, I can browse the websites but cannot browse
>>>> them.
>>> Check for MTU issues
>>>
>> It is a pretty impressive to screw up non-SSLed traffic with an MTU 
>> issue, I would be more inclinded to think it's something else.
> 
> That directly contradicts my experience. I have observed widespread 
> failures with ordinary HTTP traffic when MTU problems occur.
> 
> It depends very much on the website you're hitting and their 
> architecture, as well as the nature of the MTU problem.

One reason why it causes so many problems is that people sometimes 
ignore (or drop in firewall) PMTUD messages.

Peace...  Sridhar