Re: [ippm] [**EXTERNAL**] Re: AD review of draft-ietf-ippm-stamp
Rakesh Gandhi <rgandhi.ietf@gmail.com> Tue, 20 August 2019 11:41 UTC
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From: Rakesh Gandhi <rgandhi.ietf@gmail.com>
Date: Tue, 20 Aug 2019 07:41:03 -0400
Message-ID: <CAMZsk6e88gqxB_zgEc9t86BHYkqrnKUL77ehqkxAShXOu6NJOA@mail.gmail.com>
To: Henrik Nydell <hnydell@accedian.com>
Cc: Mirja Kuehlewind <ietf@kuehlewind.net>, "Civil, Ruth" <gcivil@ciena.com>, Greg Mirsky <gregimirsky@gmail.com>, "rrahman@cisco.com" <rrahman@cisco.com>, Shahram Davari <shahram.davari@broadcom.com>, "draft-ietf-ippm-stamp@ietf.org" <draft-ietf-ippm-stamp@ietf.org>, IPPM Chairs <ippm-chairs@ietf.org>, IETF IPPM WG <ippm@ietf.org>, "draft-ietf-ippm-twamp-yang@ietf.org" <draft-ietf-ippm-twamp-yang@ietf.org>
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Subject: Re: [ippm] [**EXTERNAL**] Re: AD review of draft-ietf-ippm-stamp
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Hi Henrik, Agree. Thanks, Rakesh On Mon, Aug 19, 2019 at 1:55 PM Henrik Nydell <hnydell@accedian.com> wrote: > I think the Yang model should not put too many restrictions in place for > the port used for the TWAMP-test packets, neither source nor destination > ports. Although some ports are indeed assigned to specific services, the > idea of a test function often is to be able to as closely as possible mimic > the patterns of a real service. > > Limiting the port at the application (TWAMP/STAMP) level would not be the > solution to "securing" an internet service, each application needs to have > enough protection to not become disturbed by unknown packets. As an > example, neither Chrome nor Edge prevents me from entering URLs with > destination TCP ports that are reserved for other protocols. I moved my > private web server to port 88 (which is assigned to Kerberos, although I am > not using Kerberos) and both browsers were fine with letting me point to > SERVER:88 > > > > > > On Mon, Aug 19, 2019 at 6:38 PM Rakesh Gandhi <rgandhi.ietf@gmail.com> > wrote: > >> Hi Mirja, >> Thanks for your comments, yes, such appropriate caveat can be added for >> the user port range in the TWAMP Yang mode. >> >> Thanks, >> Rakesh >> >> >> On Mon, Aug 19, 2019 at 11:25 AM Mirja Kuehlewind <ietf@kuehlewind.net> >> wrote: >> >>> Hi Rakesh, >>> >>> Just quickly a comment on this bit: >>> >>> > On 19. Aug 2019, at 17:12, Rakesh Gandhi <rgandhi.ietf@gmail.com> >>> wrote: >>> > >>> > TWAMP Yang model [draft-ietf-ippm-twamp-yang-13] can also support the >>> range to allow user ports. An example caveat is specified in >>> [draft-ietf-tram-turnbis-29] >>> > as "unless the TURN server application knows, through some means not >>> > specified here, that other applications running on the same host as >>> the TURN server application will not be impacted by allocating ports >>> outside this range. " >>> > >>> I don’t think it is the same thing for turn and stamp/twamp. >>> >>> In turn you aim at actually opening a connection to a remote endpoint >>> and need to make sure that that endpoint is talking the same protocol as >>> you do. That remote endpoint might actually implement different services on >>> different ports. >>> >>> TWAMP is used for testing, therefore it could make sense to set up a >>> testing server that listens on exactly the same port as your application >>> would usually do. Yes, when using twamp on such ports, you have to make >>> sure that your twamp server does not implement another protocol on that >>> port but often these server are decided for testing only and preconfigured >>> in a respective way. >>> >>> Mirja >>> >>> >>> > > -- > > *Henrik Nydell* > *Sr Product Manager* > 1.866.685.8181 > hnydell@accedian.com > <http://accedian.com> > <https://www.facebook.com/accedian/> <https://twitter.com/Accedian> > <https://www.linkedin.com/company/accedian-networks?originalSubdomain=ca> > <http://www.accedian.com> > *accedian.com <http://accedian.com>* > > Avis de confidentialité > > Les informations contenues dans le présent message et dans toute pièce qui > lui est jointe sont confidentielles et peuvent être protégées par le secret > professionnel. Ces informations sont à l’usage exclusif de son ou de ses > destinataires. Si vous recevez ce message par erreur, veuillez s’il vous > plait communiquer immédiatement avec l’expéditeur et en détruire tout > exemplaire. De plus, il vous est strictement interdit de le divulguer, de > le distribuer ou de le reproduire sans l’autorisation de l’expéditeur. > Merci. > > Confidentiality notice > > This e-mail message and any attachment hereto contain confidential > information which may be privileged and which is intended for the exclusive > use of its addressee(s). If you receive this message in error, please > inform sender immediately and destroy any copy thereof. Furthermore, any > disclosure, distribution or copying of this message and/or any attachment > hereto without the consent of the sender is strictly prohibited. Thank you. >
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Mirja Kuehlewind
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Shahram Davari
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi
- Re: [ippm] AD review of draft-ietf-ippm-stamp Shahram Davari
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Shahram Davari
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Mirja Kuehlewind
- Re: [ippm] AD review of draft-ietf-ippm-stamp Henrik Nydell
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi (rgandhi)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Henrik Nydell
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi (rgandhi)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi
- Re: [ippm] AD review of draft-ietf-ippm-stamp Henrik Nydell
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi
- Re: [ippm] AD review of draft-ietf-ippm-stamp Henrik Nydell
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi
- Re: [ippm] AD review of draft-ietf-ippm-stamp MORTON, ALFRED C (AL)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Henrik Nydell
- Re: [ippm] AD review of draft-ietf-ippm-stamp MORTON, ALFRED C (AL)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi (rgandhi)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi (rgandhi)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Henrik Nydell
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi (rgandhi)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Henrik Nydell
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi (rgandhi)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi (rgandhi)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi (rgandhi)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi (rgandhi)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi (rgandhi)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Greg Mirsky
- Re: [ippm] AD review of draft-ietf-ippm-stamp MORTON, ALFRED C (AL)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Rakesh Gandhi (rgandhi)
- Re: [ippm] AD review of draft-ietf-ippm-stamp Reshad Rahman (rrahman)
- Re: [ippm] [**EXTERNAL**] Re: AD review of draft-… Civil, Ruth
- Re: [ippm] [**EXTERNAL**] Re: AD review of draft-… Civil, Ruth
- Re: [ippm] [**EXTERNAL**] Re: AD review of draft-… Rakesh Gandhi
- Re: [ippm] [**EXTERNAL**] Re: AD review of draft-… Mirja Kuehlewind
- Re: [ippm] [**EXTERNAL**] Re: AD review of draft-… Rakesh Gandhi
- Re: [ippm] [**EXTERNAL**] Re: AD review of draft-… Henrik Nydell
- Re: [ippm] [**EXTERNAL**] Re: AD review of draft-… Rakesh Gandhi