tcpdump mailing list archives
Re: pcap filter for 802.11
From: alex medvedev <alexm () pycckue org>
Date: Fri, 16 Apr 2004 16:20:37 -0500 (CDT)
bounced from the tcpdump-workers () lists sandelman ca as "user unknown" ---------- Forwarded message ---------- Date: Fri, 16 Apr 2004 16:02:18 -0500 (CDT) From: alex medvedev <alexm () pycckue org> To: tcpdump-workers () lists sandelman ca Subject: Re: [tcpdump-workers] pcap filter for 802.11 you also need to put the wireless card into monitor mode [with "iwconfig" or some other favorite command of yours]. you want raw 802.11 frames with all headers. otherwise 802.11 headers will be stripped and you will get DLT_EN10MB link type and libpcap will think it is Etehrnet. -alexm 15:58 16/04/2004
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?
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Current thread:
- pcap filter for 802.11 Chen Hsia Lee (Apr 16)
- Re: pcap filter for 802.11 Guy Harris (Apr 16)
- <Possible follow-ups>
- Re: pcap filter for 802.11 alex medvedev (Apr 16)
- Re: pcap filter for 802.11 Chen Hsia Lee (Apr 24)
- Re: pcap filter for 802.11 Guy Harris (Apr 24)
- Re: pcap filter for 802.11 Chen Hsia Lee (Apr 24)