Sorry Brian; here is the correct explanation:
> > They must have just made that up; there's no justification for it.
> > It could be an unknown extension header of unknown length, or it
> > could be an unknown payload of unknown length. In real life
> > I'd expect firewalls to default-drop such pa
org; ipv6@ietf.org
> Subject: Re: Adrian Farrel's No Objection on draft-ietf-6man-ext-
> transmit-04: (with COMMENT)
>
> Fred,
>
> On 09/10/2013 04:28, Templin, Fred L wrote:
> ...
> > When Wireshark encounters a header type 253 or 254, it assumes it is
> > an unkn
Fred,
On 09/10/2013 04:28, Templin, Fred L wrote:
...
> When Wireshark encounters a header type 253 or 254, it assumes it is
> an unknown extension header of length 8 bytes, then skips ahead and
> attempts to parse anything that follows as additional headers.
They must have just made that up; the
tf.org; ipv6@ietf.org; The IESG
> Subject: Re: Adrian Farrel's No Objection on draft-ietf-6man-ext-
> transmit-04: (with COMMENT)
>
> On 08/10/2013 10:28, C. M. Heard wrote:
> ...
>
> > Maybe I'm making too much of this. Certainly a reasonable action
> > for
On 08/10/2013 10:28, C. M. Heard wrote:
...
> Maybe I'm making too much of this. Certainly a reasonable action
> for a middlebox that's told to pass packets with extension header
> types 253 and 254 is to stop parsing when it encounters those next
> header types and forward the packet in quest
On Tue, 8 Oct 2013, Brian E Carpenter wrote:
> Yes, and for a moment there you had me worried, but if the security
> concern is that the unknown header may contain bad stuff and/or cause
> a buffer overflow bug, then it really doesn't matter whether it is
> an extension header or a payload header.
On 08/10/2013 05:53, C. M. Heard wrote:
> On Mon, 7 Oct 2013, Adrian Farrel wrote:
>> Section 1.1
>>
>> A couple of points about the following paragraph:
>>
>>In this document "standard" IPv6 extension headers are those
>>specified in detail by IETF standards actions. "Experimental"
>>
On 08/10/2013 03:43, Adrian Farrel wrote:
...
> Section 1.1
>
> A couple of points about the following paragraph:
>
>In this document "standard" IPv6 extension headers are those
>specified in detail by IETF standards actions. "Experimental"
>extension headers are those defined by any
On Mon, 7 Oct 2013, Adrian Farrel wrote:
> Section 1.1
>
> A couple of points about the following paragraph:
>
>In this document "standard" IPv6 extension headers are those
>specified in detail by IETF standards actions. "Experimental"
>extension headers are those defined by any Expe
