Chapter11. Logging
Ato B Packetsfrom A to B matches.
Bto A Packetsfrom B to A matches.
BetweenA&B Packetsfrom A to B, or from B to A, matches.
notthis combination Packetsthat do not match the given combination of A and B are shown in
thelog.
Ifyou, for example, want to search for all packets to a web server, but not packets on the "normal" client and server
portsin your environment, fill in the form like this:

ICMP

ICMPpackets contain a type field and a code field. When searching for ICMP packets, you can select all packets or
onlythose matching certain criteria.
Inthe type and code fields, you can enter a single number (e. g., 5), a range of numbers (e. g., 5-10), a list of
numbersand ranges, separated by commas (e. g., 5, 10-20) or nothing at all. If the field is empty, any type or code
willmatch. See appendix G, Lists of ports, ICMP and protocols, for more information on ICMP types and codes.
Ifyou want to study all traffic except the one of a certain type/code, enter the type/code number(s) here and mark
the"not" box.

ESP

ESPis an authentication/encryption protocol. Select this if you want to search for encrypted packets.
Notethat you must have selected a log class which saves to local file, for encrypted packets, to be able to display
themhere.

Protocol number

Here,you enter the number(s) of the protocols you want to search for. You can enter a single number (e. g., 5), a
rangeof numbers (e. g., 5-10), a list of numbers and ranges, separated by commas (e. g., 5, 10-20) or nothing at all.
Ifthe field is empty, any protocol will match. See appendix C, Lists of Reserved Ports, ICMP Types and Codes, and
InternetProtocols, for more information on protocol numbers.
Ifyou want to study all traffic except the one over a certain protocol or protocols, enter the protocol number(s) here
andmark the "not" box.
Beside the boxes
Onthe right-hand side of the boxes, select time interval and event for the log display.

Show newest at top

ChoosingShow newest at top will display the log in reverse order, i. e., the latest log event will be displayed ��rst.
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