How to use fw monitor

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In addition Ethereal offers the possibility to colorize packets according to filters. The syntax used there is the same like the syntax for the display filters. You can add color filters using Display/Colorize Display…. A simple color filter is to colorize packets according to their interface direction: Figure 68: Ethereal – Color Filters How to use fw monitor Page 54 of 70 Revision: 1.01
Using CPEthereal to inspect fw monitor files Based on the standard Ethereal Pedro Paixão and Shaul Eizikovich created an enhanced version of Ethereal. This “Check Point flavor of Ethereal” (reference as CPEthereal on the following pages) extends the standard Ethereal in many areas to cover Check Point (an fw monitor) specific needs and functions. CPEthereal is available in two versions. A public version with slightly improved fw monitor decoding (public CPEthereal) and a enhanced CSP version with all the features covered below (CSP Ethereal). Block coloring Because fw monitor may capture multiple samples of the same packet passing through the firewall it is sometimes hard to differentiate between the different packets. CPEthereal can group samples of the same packets by colorizing them. This can be activated using CheckPoint/Colorize: Figure 69: CPEthereal – activate Block coloring How to use fw monitor Page 55 of 70 Revision: 1.01
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How to use fw monitor 10-Jul-2003 A
Page 3 and 4: FW MONITOR ON FIREWALL-1 VSX ......
Page 5 and 6: Typographic Conventions used in thi
Page 7 and 8: Command syntax fw monitor [-u|s] [-
Page 9 and 10: Please use ^D (that is Control + D)
Page 11 and 12: Capture a specific number of packet
Page 13 and 14: TCP: 1050 -> 18190 ...PA. seq=bf8bc
Page 15 and 16: By default fw monitor captures pack
Page 17 and 18: Limit the packet length fw monitor
Page 19 and 20: How to change the position of the f
Page 21 and 22: ! The virtual defragmentation may l
Page 23 and 24: Relative position using a Number Th
Page 25 and 26: Relative position using an Alias An
Page 27 and 28: Absolute position Although in most
Page 29 and 30: All positions A new option in NG wi
Page 31 and 32: 1 st Byte 2 nd Byte 3 rd Byte 4 th
Page 33 and 34: 0 8 16 24 32 header length TCP sour
Page 35 and 36: Logical and Relational Operators In
Page 37 and 38: src for example is defined as ip_sr
Page 39 and 40: Inspect fw monitor files The recomm
Page 41 and 42: ash-2.03# snoop -v -c 1 -i fwmonito
Page 43 and 44: Using Ethereal to inspect fw monito
Page 45 and 46: The pane in the middle shows protoc
Page 47 and 48: Ethereal fw monitor additions Alfre
Page 49 and 50: Activate the FW-1 chain column The
Page 51 and 52: Using display and color filters on
Page 53: Other useful expressions are: Field
Page 57 and 58: NAT Highlighting Following a connec
Page 59 and 60: Because some problems (missing at
Page 61 and 62: Block Filters Block filters allow y
Page 63 and 64: A new feature in NG with Applicatio
Page 65 and 66: fw monitor on FireWall-1 VSX If you
Page 67 and 68: Detecting sniffers on your network
Page 69 and 70: Reference Multicast MAC addresses S
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