I thought that these numbers are randomly generated, and the the length was
contained in a psuedo header.
Duck
----- Original Message -----
From: Phil Barker <[EMAIL PROTECTED]>
To: Thomas Peroutka <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Tuesday, August 29, 2000 4:26 AM
Subject: Re: TCP/ UDP header
> The length isn't explicitly transmitted but is
> computed via the Sequence Number and Ack Number.
>
> RFC 793 has more detail.
>
> http://www.faqs.org/rfcs/rfc793.html
>
> Regards,
>
> Phil.
>
> PS: There are some talented women on this site !!!!!!
> "Guy"
>
> --- Thomas Peroutka <[EMAIL PROTECTED]>
> wrote: > Hi Guys,
> >
> > just reading a book and saw pictures of TCP and UDP
> > headers. Whereas
> > the UDP header has a length field describing the
> > length of the UDP
> > segment including data and header, I can´t see such
> > a field in TCP.
> > Is this an error of the book or how does TCP
> > determine the length of
> > the segment/ the end of data?
> >
> > --
> > Viele Grüsse/ Best regards,
> > Thomas
> > mailto:[EMAIL PROTECTED]
> >
> >
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