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pdw
2003-03-01 01:55:13 +00:00
parent 2dc4a06dda
commit 0d66972bef
8 changed files with 164 additions and 54 deletions
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@@ -128,6 +128,12 @@ machine.
\fBS\fP or \fBD\fP toggle the display of source and destination ports
respectively. \fBp\fP will toggle port display on/off.
.SH DISPLAY TYPE
\fBt\fP cycles through the four line display modes; the default 2-line display,
with sent and received traffic on separate lines, and 3 1-line displays, with
sent, received, or total traffic shown.
.SH DISPLAY ORDER
By default, the display is ordered according to the 10s average (2nd column).
@@ -140,7 +146,8 @@ source or destination hostname respectively.
\fBl\fP allows you to enter a POSIX extended regular expression that will be
used to filter hostnames shown in the display. This is a good way to quickly
limit what is shown on the display. Note that this happens at a much later
stage than filter code, and does not affect what is actually captured.
stage than filter code, and does not affect what is actually captured. Display
filters DO NOT affect the totals at the bottom of the screen.
.SH PAUSE DISPLAY / FREEZE ORDER
@@ -150,6 +157,11 @@ stage than filter code, and does not affect what is actually captured.
traffic between hosts not shown on the screen at the time will not be shown at
all, although it will be included in the totals at the bottom of the screen.
.SH SCROLL DISPLAY
\fBj\fP and \fBk\fP will scroll the display of hosts. This feature is most
useful when the display order is frozen (see above).
.SH FILTER CODE
\fBf\fP allows you to edit the filter code whilst iftop running. This
@@ -170,11 +182,12 @@ you, but is included in the totals.
A more subtle explanation comes about when running in promiscuous mode
without specifying a \fB-N\fP option. In this case there is no easy way
to assign the direction of traffic between two other hosts. For the
purposes of the main display this is done in an arbitrary fashion (by
ordering of IP addresses), but for the sake of totals all traffic
between other hosts is accounted as incoming, because that's what it is
from the point of view of your interface.
to assign the direction of traffic between two third parties. For the purposes
of the main display this is done in an arbitrary fashion (by ordering of IP
addresses), but for the sake of totals all traffic between other hosts is
accounted as incoming, because that's what it is from the point of view of your
interface. The \fB-N\fP option allows you to specify an arbitrary network
boundary, and to show traffic flowing across it.
\fBPeak totals don't add up\fP