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From: mistral@imasy.or.jp (Yoshihiko Sarumaru)
To: man-jp-reviewer@jp.FreeBSD.org
In-Reply-To: Your message of "Tue, 21 Mar 2006 00:14:27 +0900".
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$B!!1n4]$G$9!#(B

On Tue, Mar 21, 2006 at 00:14:27AM JST, Watanabe Kazuhiro wrote:
> > +$B%]!<%H(B 80 $BHV$X8~$+$&!"$b$7$/$O(B 80 $BHV$+$iE~Ce$7$?A4$F$N(B IPv4 HTTP $B%Q%1%C%H$r(B
> > +$BI=<($9$k$K$O!"$D$^$j%G!<%?$r4^$^$J$$(B SYN$B!"(B FIN $B%Q%1%C%H5Z$S(B ACK-only $B%Q%1%C%H(B
> > +$B$G$O$J$$!"%G!<%?$r4^$`%Q%1%C%H$N$_$rI=<($9$k$K$O!"0J2<$N$h$&$K<B9T$7$^$9(B
> > +(IPv6 $B$N>l9g$OFI<T$X$N2]Bj$H$7$F;D$7$F$*$-$^$9(B)$B!#(B
> > +.RS
> > +.nf
> > +.B
> > +tcpdump 'tcp port 80 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)'
> > +.fi
> > +.RE
> 
> $B$3$l!"85$O(B
> | +To print all IPv4 HTTP packets to and from port 80, i.e. print only
> | +packets that contain data, not, for example, SYN and FIN packets and
> | +ACK-only packets.  (IPv6 is left as an exercise for the reader.)
> $B$J$s$G$9$,!"$"$^$j<+?.$,L5$$$G$9!#(B

  $B86J8$K$O!V0J2<$N$h$&$K<B9T$7$^$9!W$H$O=q$$$F$^$;$s$1$I!">e$NLu(B
$B$G$$$$$N$G$O$J$$$G$7$g$&$+!#(B
--
sarumaru
