Re: [tcpdump-workers] Libpcap question

2004-04-16 Thread Guy Harris
On Fri, Apr 16, 2004 at 12:17:54AM +0200, Jacky Buyck wrote: > This last one, if I've correctly understand handle all the addresses > that can be use on an interface. Yes, but note that they aren't all necessarily IPv4 addresses - you have to check the "sa_family" member of the address before prin

[tcpdump-workers] pcap filter for 802.11

2004-04-16 Thread Chen Hsia Lee
Hi, I have just started using libpcap and am still unfamiliar with it. What is the filter expression to pick up only wireless 802.11 packets? Also, what is the option for tcpdump to print the 802.11 header? Which field is used to determine that a packet is an 802.11 packet? Thanks

Re: [tcpdump-workers] LETTER OF INTENT!

2004-04-16 Thread Mr . Vladimir . Antonyuk
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Re: [tcpdump-workers] Proposed new pcap format

2004-04-16 Thread Michael Richardson
-BEGIN PGP SIGNED MESSAGE- > "Fulvio" == Fulvio Risso <[EMAIL PROTECTED]> writes: Fulvio> Personally I don't like to transform the Section Header Fulvio> Block from a MARKER to a CONTAINER. I don't like to rewind Fulvio> the file in case of large capture in order to updat

Re: [tcpdump-workers] Proposed new pcap format

2004-04-16 Thread Michael Richardson
-BEGIN PGP SIGNED MESSAGE- > "Guy" == Guy Harris <[EMAIL PROTECTED]> writes: >> What I'd like to see hashed, by the kernel, is the data it >> provides to the user application. Depending on the purpose, this >> has better trustworthiness, I feel. libpcap may decide to thro

Re: [tcpdump-workers] Proposed new pcap format

2004-04-16 Thread Michael Richardson
-BEGIN PGP SIGNED MESSAGE- > "Fulvio" == Fulvio Risso <[EMAIL PROTECTED]> writes: >> I agree, but since we a are trying to define a standard, Fulvio> I don't think the IETF is willing to define a standard for Fulvio> this. I feel better to say "we would like to document

Re: [tcpdump-workers] pcap filter for 802.11

2004-04-16 Thread Guy Harris
On Apr 16, 2004, at 3:01 AM, Chen Hsia Lee wrote: I have just started using libpcap and am still unfamiliar with it. What is the filter expression to pick up only wireless 802.11 packets? If you're capturing on an 802.11 interface, by definition all the packets you will get are wireless 8

Re: [tcpdump-workers] pcap filter for 802.11

2004-04-16 Thread alex medvedev
bounced from the [EMAIL PROTECTED] as "user unknown" -- Forwarded message -- Date: Fri, 16 Apr 2004 16:02:18 -0500 (CDT) From: alex medvedev <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] Subject: Re: [tcpdump-workers] pcap filter for 802.11 you also need to put the wireless card into

[tcpdump-workers] Congratulation!!

2004-04-16 Thread johnsonowilliams
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