Messages in this thread |  | | Date | Tue, 9 Jan 2001 08:57:15 -0500 (EST) | From | "Steven N. Hirsch" <> | Subject | Re: kernel network problem ? |
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On Tue, 9 Jan 2001, Helge Hafting wrote:
> Nicolas Noble wrote: > [...] > As others have told already, this is the ECN problem. > > > I noticed the same bug. This is very weired, I can send a list of sites > > which I can't connect anymore. > > You have a list? Send all of them a message stating that they ought > to upgrade their firewalls which cause this problem. Or they > will loose customers/visitors. Cisco already have an upgrade for them, > so fixing is dead easy, and they can then boast compatibility with > the latest internet standards. > > If they don't care about linux users, tell them that windows eventually > will use ECN too. They definitely don't want to have a ECN problem when > that happens.
After upgrading to kernel 2.4.0, I found myself unable to retrieve mail from Adelphia's (2-way cable ISP) POP server. It took several days to figure out that _one_ of their routers was configured to block ECN. After bringing this to the attention of their network engineers, I was informed that their policy prohibits making any router changes on the basis of one trouble report. The person I spoke with did NOT try to defend their setup, but it was made clear that they'll do nothing until Windows breaks.
If I were packaging a Linux distribution, I'd be sure to have ECN disabled by default, FWIW.
Steve
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