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North American Network Operators Group

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Re: How many protocols...

  • From: Magnus Boden
  • Date: Wed Jun 19 06:34:45 2002

I don't expect my isp to run stuff on their router any more than I
expect my isp to block stuff.

I don't know everything about igmp since hardly anyone I know uses it (I
don't work at an ISP though) but If i send packets with the
ipheader->protocol field set to igmp (2 I think) destined for another
computer on the internet I don't expect you to drop it (I know this is
silly because IGMP doesn't work that way).

I don't see the point to this.
What you are talking about is routing multicast not wheter you are
filtering out certain protocols. There is a diffrence with not
supporting something and filtering something out without a reason.

I can see that for an isp to route multicast it cost extra money for the
customer since you have to configure a lot of shit on your side but what
we are talking about is the opposite. If you/ISP is going to filter out
protocols you need to configure access lists or something for no good
reason except to piss the customer off.

//Magnus

On Wed, Jun 19, 2002 at 09:15:14AM +0100, Stephen J. Wilcox wrote:
> 
> igmp?
> 
> 
> On Wed, 19 Jun 2002, Magnus Boden wrote:
> 
> > Hello,
> > 
> > multicasting has nothing to do with ipheader->protocol as far as I know.
> > So my definition doesn't consider multicasting.
> > 
> > //Magnus
> > 
> > On Wed, Jun 12, 2002 at 10:03:29AM +0100, Stephen J. Wilcox wrote:
> > > 
> > > 
> > > I dont provide multicast, am I not an ISP by your definition? I think so..
> > > 
> > > Steve
> > > 
> > > 
> > > On Tue, 11 Jun 2002, Matt Levine wrote:
> > > 
> > > > 
> > > > > -----Original Message-----
> > > > > From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On 
> > > > > Behalf Of Stephen Sprunk
> > > > > Sent: Tuesday, June 11, 2002 8:33 AM
> > > > > To: Magnus Boden
> > > > > Cc: North American Noise and Off-topic Gripes
> > > > > Subject: Re: How many protocols...
> > > > > 
> > > > > 
> > > > > 
> > > > > Thus spake "Magnus Boden" <mb@ozaba.cx>
> > > > > > I wouldn't call it an isp if they only allowed tcp, udp and icmp.
> > > > > > It should be all ip protocols.
> > > > > >
> > > > > > There can be a maximum of 256 of them. The isp shouldn't care what
> > > > > > the ipheader->protocol field is set to.
> > > > > 
> > > > > There is at least one ISP here in the US that filters 
> > > > > protocol 50 (IPsec ESP).
> > > > > Does that mean they're really not an ISP?
> > > > > 
> > > > > S
> > > > > 
> > > > > 
> > > > They can still call themselves whatever they want, but I wouldn't
> > > > consider them an ISP, as they're not provider a very key part of my
> > > > "Internet experience".  I'd feel the same way if they filtered google.
> > > > 
> > > > 
> > > > Regards,
> > > > Matt
> > > > --
> > > > Matt Levine
> > > > @Home: matt@deliver3.com
> > > > @Work: matt@eldosales.com
> > > > ICQ  : 17080004
> > > > AIM  : exile
> > > > GPG  : http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x6C0D04CF
> > > > "The Trouble with doing anything right the first time is that nobody
> > > > appreciates how difficult it was."  -BIX 
> > > > 
> > > > 
> > > 
> > 
> 




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