RFC 5841

[only.samurai at gmail.com (Andrew Ellis)]

Of particular concern to this list:

6.  Security Considerations

   The TCP checksum, as a 16-bit value, could be mistaken if ASCII
   characters with the same number of zeros and ones were substituted
   out.  A happy ":)" could be replaced with a frown by a malicious
   attacker, by using a winking eye ";(".  This could misrepresent the
   intended mood of the sender to the receiver.

Don't you hate it when your packets are misrepresented surprised when
you mean for them to be silly.



On Sat, Apr 3, 2010 at 9:19 AM, Dan Burrowes <danburrowes at gmail.com> wrote:
> I was browsing some RFCs and it looks like this was just added. ?Highly
> recommended read for the weekend:
>
> "TCP Option to Denote Packet Mood"
> http://www.rfc-editor.org/rfc/rfc5841.txt
>
> It ranks right up there with RFC 1149, "IP Datagrams on Avian Carriers".
>
> --dan
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-- 
Andrew Ellis
http://blog.psych0tik.net