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Diffstat (limited to 'wiretap/README')
-rw-r--r-- | wiretap/README | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/wiretap/README b/wiretap/README index f4c7f2f2a0..980c809330 100644 --- a/wiretap/README +++ b/wiretap/README @@ -1,4 +1,4 @@ -$Id: README,v 1.2 1998/11/12 06:01:17 gram Exp $ +$Id: README,v 1.3 1998/11/15 05:29:05 guy Exp $ Wiretap is a library that is being developed as a future replacement for libpcap, the current standard Unix library for packet capturing. Libpcap is @@ -36,19 +36,15 @@ File Formats Libpcap ------- -Currently the libpcap file format is handled by linking in the pcap library. -Eventualy libpcap will not be linked in with wiretap as to avoid the overhead -of bringing in the libpcap packet capturing and BPF optimizing code. +The "libpcap" file format was determined by reading the "libpcap" code; +wiretap reads the "libpcap" file format with its own code, rather than +using the "libpcap" library's code to read it. Sniffer ------- -The Sniffer format has been deduced by looking at hex dumps of Sniffer trace -files. I have access to many Token-Ring Sniffer trace files, but very few -ethernet Sniffer trace files. I am guessing as to which field in the header -denotes link type. Perhaps I am wrong; perhaps only the file extension (*.enc -vs. *.trc) denotes the link type. If you have a Sniffer trace file which -doesn't work with wiretap, please send it to me. BTW, I have not yet figured -out how packet timestamps are stored in the Sniffer format. +The Sniffer format, at least for Token-Ring, is documented in the +Sniffer manual. Unfortunately, Sniffer manuals tend to document only +the format for the Sniffer model they document. LANalyzer --------- @@ -57,5 +53,9 @@ knowledge base for "Trace File Format". The code in wiretap so far only dumps the packet data; I have yet to decode the timestamp for each packet. At least I have the format for this, so it will be supported soon. +"snoop" +------- +The Solaris 2.x "snoop" program's format is documented in RFC 1761. + Gilbert Ramirez <gram@verdict.uthscsa.edu> |