[Openswan Users] FW: VPN works, but you can't eBay ;-)

[Jacco de Leeuw]

Paul Wouters wrote:

> I can confirm this. I am on tunneled IP, and I need to lower my mtu to
> 1400 for hotmail (website) and msn(website and IM) and jabber (IM) to work.
> 
> Likely those sites are dropping icmp packets needed for path mtu discovery.

This page claims that path mtu discovery actually works for MSN:
http://www.netheaven.com/pmtulist.html

It also says that microsoft.com uses an alternative approach. Perhaps
they have started using this for MSN/Hotmail as well?

Jacco
-- 
Jacco de Leeuw                         mailto:jacco2 at dds.nl
Zaandam, The Netherlands           http://www.jacco2.dds.nl