Re: RE : Some webpages inaccessible through IPTables

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On Sat, 8 Feb 2003 16:58:54 +0100, 
"Franck ZOCCOLO" <franck@zoccolo.com> wrote in message 
<001401c2cf8a$fb5bf760$fd42a8c0@zoccolo.com>:

> > -----Message d'origine-----
> > De : netfilter-admin@lists.netfilter.org 
> > [mailto:netfilter-admin@lists.netfilter.org] De la part de Sven Bolt
> > Objet : Re: Some webpages inaccessible through IPTables
> > 
> > 
> > No ECN is not enabled in the kernel. The sites are accessible from
> > the gateway itself so it's not an MTU issue. What else could it be?
> You're wrong... THIS is an MTU issue... I bet you're using PPPoE to
> connect to the internet. This problem should be handled by MTU path
> discovery, but some stupid network administrators are blocking all
> ICMP packets, and MTU path discovery uses ICMP to do its job.
> 
> Try lowering the MTU of your client hosts to 1492, and you'll be able
> to browse the sites you cannot access for now.

..if that doesn't work, keep on lowering it.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;-)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.




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