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The Ethereal manual (WINDOWS&UNIX Var0.9.12)

ヘルプを使用する
editcap
変換するキャプチャタイプやファイル保存形式等の意味を確認するのに使用します。おやくそくの-hオプションです。

[WINDOWS]C:\Program Files\Ethereal>editcap -h

[UNIX]#/usr/local/bin/editcap -h

C:\Program Files\Ethereal>editcap -h
Usage: editcap [-r] [-h] [-v] [-T <encap type>] [-F <capture type>]
[-s <snaplen>] [-t <time adjustment
<infile> <outfile> [ <record#>[-<record#>] ... ]
where -r specifies that the records specified should be kept, not deleted,
default is to delete
-v specifies verbose operation, default is silent
-h produces this help listing.
-T <encap type> specifies the encapsulation type to use:
ether - Ethernet
tr - Token Ring
slip - SLIP
ppp - PPP
fddi - FDDI
fddi-swapped - FDDI with bit-swapped MAC addresses
rawip - Raw IP
arcnet - ARCNET
arcnet_linux - Linux ARCNET
atm-rfc1483 - RFC 1483 ATM
linux-atm-clip - Linux ATM CLIP
lapb - LAPB
atm-pdus - ATM PDUs
atm-pdus-untruncated - ATM PDUs - untruncated
null - NULL
ascend - Lucent/Ascend access equipment
isdn - ISDN
ip-over-fc - RFC 2625 IP-over-Fibre Channel
ppp-with-direction - PPP with Directional Info
ieee-802-11 - IEEE 802.11 Wireless LAN
ieee-802-11-radio - IEEE 802.11 Wireless LAN with radio information
linux-sll - Linux cooked-mode capture
frelay - Frame Relay
chdlc - Cisco HDLC
ios - Cisco IOS internal
ltalk - Localtalk
prism - IEEE 802.11 plus Prism II monitor mode header
pflog - OpenBSD PF Firewall logs
hhdlc - HiPath HDLC
docsis - Data Over Cable Service Interface Specification
cosine - CoSine L2 debug log
wlan - IEEE 802.11 plus AVS WLAN monitor header
whdlc - Wellfleet HDLC
sdlc - SDLC
tzsp - Tazmen sniffer protocol
default is the same as the input file
-F <capture type> specifies the capture file type to write:
libpcap - libpcap (tcpdump, Ethereal, etc.)
rh6_1libpcap - Red Hat Linux 6.1 libpcap (tcpdump)
suse6_3libpcap - SuSE Linux 6.3 libpcap (tcpdump)
modlibpcap - modified libpcap (tcpdump)
nokialibpcap - Nokia libpcap (tcpdump)
lanalyzer - Novell LANalyzer
ngsniffer - Network Associates Sniffer (DOS-based)
snoop - Sun snoop
netmon1 - Microsoft Network Monitor 1.x
netmon2 - Microsoft Network Monitor 2.x
ngwsniffer_1_1 - Network Associates Sniffer (Windows-based) 1.1
ngwsniffer_2_0 - Network Associates Sniffer (Windows-based) 2.00x
visual - Visual Networks traffic capture
default is libpcap
-s <snaplen> specifies that packets should be truncated to
<snaplen> bytes of data
-t <time adjustment> specifies the time adjustment
to be applied to selected packets

A range of records can be specified as well

上記の様に表示されます。 (WINDOWSも同様の動きをします)

Copyright 2003 by Nobuo Nakako All right reserved.