D-Link NetDefend DFL-CP310 User Manual page 430

Using Diagnostic Tools
E 1
XAMPLE
T he following filter string captures all TCP packets:
t cp
E 2
XAMPLE
T he following filte
tcp dst port 80
udp
P
URPOSE
T he ele ment captures all UDP packets.
udp
rela ted elements.
Note: When not prepended to other elements,
ip proto
S
YNTAX
udp
udp
element
P
ARAMET ERS
eleme nt
E 1
XAMPLE
The following filter st
414
r string captures all TCP pac
udp
.
String. A port-re
restricted to sav
following:
•
dst port
for a specific po
•
port
from or destined
•
src port
originating from
ring captures all UDP packets:
kets des tined for port 80:
This e lement can be prepended to port-
udp
the element is the equivalent of
lated filter string element tha
ing only U DP packets. This can be the
- C apture all UDP packets destined
rt.
- Captures al l UDP packet
for a specific por
- C apture all UD P packets
a specific port.
D-Link NetDefend firewall User Guide
t should be
s originating
t.