Absolute ack and seq number of tcp packet

"Hui Lin (Hugo)" <[email protected]> Thu, 28 Nov 2019 11:36:15 -0800
Newsgroups gmane.comp.security.detection.bro
Message-ID <CAKq214mCaG+gWWP8zBY4UEJHWRcRoikaSBw+4OibqR5nbK0Z9Q@mail.gmail.com>
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Hi

In the tcp_packet event, how can I obtain the *absolute values* (found in
the tcp header), not the relative values of ack and seq numbers.

Best regards,

Hui Lin
-- 
Hui Lin
Ph.D. Candidate (http://hlin33.web.engr.illinois.edu/)
DEPEND (http://depend.csl.illinois.edu/)
ECE, Uni. of Illinois at Urbana-Champaign

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:arial,he=
lvetica,sans-serif">Hi=C2=A0</div><div class=3D"gmail_default" style=3D"fon=
t-family:arial,helvetica,sans-serif"><br></div><div class=3D"gmail_default"=
 style=3D"font-family:arial,helvetica,sans-serif">In the tcp_packet event, =
how can I obtain the <b>absolute values</b> (found in the tcp header), not =
the relative values of ack and seq numbers.=C2=A0</div><div class=3D"gmail_=
default" style=3D"font-family:arial,helvetica,sans-serif"><br></div><div cl=
ass=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-serif">Best=
 regards,</div><div class=3D"gmail_default" style=3D"font-family:arial,helv=
etica,sans-serif"><br></div><div class=3D"gmail_default" style=3D"font-fami=
ly:arial,helvetica,sans-serif">Hui Lin</div>-- <br><div dir=3D"ltr" class=
=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"><d=
iv><div dir=3D"ltr"><div><div dir=3D"ltr"><div><font face=3D"arial, helveti=
ca, sans-serif" size=3D"2">Hui Lin</font><div><font face=3D"arial, helvetic=
a, sans-serif" size=3D"2">Ph.D. Candidate (<a href=3D"http://hlin33.web.eng=
r.illinois.edu/" target=3D"_blank">http://hlin33.web.engr.illinois.edu/</a>=
)=C2=A0</font></div><div><font face=3D"arial, helvetica, sans-serif" size=
=3D"2">DEPEND (<a href=3D"http://depend.csl.illinois.edu/" target=3D"_blank=
">http://depend.csl.illinois.edu/</a>)<br>ECE, Uni. of Illinois at Urbana-C=
hampaign=C2=A0</font></div><div><br></div></div></div></div></div></div></d=
iv></div></div>

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