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Re: IKE must have no Heirs



Note the 'ipsec' has TWO protocol numbers... One for ESP and one for
AH.  What do _YOU_ mean?

-derek

"Horn, Mike" <mhorn@virtela.net> writes:

> Again speaking from service provider experience, manual keys are not a
> scalable option.  Some sort of key exchange protocol is definitely required,
> right now that means IKE.  As for using a single IP protocol number for both
> IKE and IPsec, I was merely stating this would reduce the number of
> ports/protocols I have to request firewall administrators to allow.  From an
> operational perspective, dealing with IPsec devices behind firewalls can be
> very painful.  I will let this thread die, since the IPSEC and IPSRA working
> groups face much bigger challenges then determining if IKE and IPsec should
> share a protocol number.
> 
> Mike Horn
> 
> > -----Original Message-----
> > From: Derek Atkins [mailto:warlord@MIT.EDU]
> > Sent: Tuesday, August 07, 2001 3:30 PM
> > To: Horn, Mike
> > Cc: 'Alex Alten'; Chris Trobridge; ipsec@lists.tislabs.com
> > Subject: Re: IKE must have no Heirs
> > 
> > 
> > There is no IPsec (ESP/AH) dependency on IKE.  You can key manually
> > (which does not use IKE).  There is the KINK work, is different than
> > IKE.
> > 
> > There is no reason to turn IKE into it's own IP Protocol.  Using
> > UDP/500 works just fine, and making it's own protocol wont accomplish
> > anything.
> > 
> > -derek
> > 
> > "Horn, Mike" <mhorn@virtela.net> writes:
> > 
> > > Actually that is a poor example, there is no built-in 
> > protocol dependency
> > > for BGP to use OSPF.  And BGP does use TCP (port 179) for 
> > communication vs.
> > > OSPF using a protocol number (89).  IPsec currently has a 
> > strong dependency
> > > on IKE.  I do agree that from a network administration and debugging
> > > standpoint it would be nice if both IPsec and IKE shared a 
> > common protocol
> > > number.  This would help to simplify firewall configurations, etc.
> > > 
> > > Mike Horn 
> > > 
> > >  > -----Original Message-----
> > >  > From: Alex Alten [mailto:Alten@home.com]
> > >  > Sent: Tuesday, August 07, 2001 3:06 AM
> > >  > To: Chris Trobridge
> > >  > Cc: ipsec@lists.tislabs.com
> > >  > Subject: RE: IKE must have no Heirs
> > >  > 
> > >  > 
> > >  > Think about it.  Do you do OSPF over IP and then BGP over UDP?
> > >  > The same applies to IPSEC and key management.
> > >  > 
> > >  > - Alex
> > >  > 
> > >  > At 09:22 AM 8/7/2001 +0100, Chris Trobridge wrote:
> > >  > >
> > >  > >
> > >  > >> -----Original Message-----
> > >  > >> From: Alex Alten [mailto:Alten@home.com]
> > >  > >> Sent: 07 August 2001 08:28
> > >  > >> To: Kory Hamzeh; Hallam-Baker, Phillip
> > >  > >> Cc: 'mcnelson@mindspring.com'; ipsec@lists.tislabs.com
> > >  > >> Subject: Re: IKE must have no Heirs
> > >  > >> 
> > >  > >> 
> > >  > >> 
> > >  > >> I second the motion. And also propose no port number (i.e. 
> > >  > do the new
> > >  > >> one over raw IP).
> > >  > >> 
> > >  > >> - Alex
> > >  > >
> > >  > >What would that achieve? (communicating over raw IP)
> > >  > >
> > >  > >Chris
> > >  > >
> > >  > >
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> > >  > Alex Alten
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> > -- 
> >        Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
> >        Member, MIT Student Information Processing Board  (SIPB)
> >        URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
> >        warlord@MIT.EDU                        PGP key available
> > 

-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord@MIT.EDU                        PGP key available


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