On May 21, 2009, at 7:24 PM, Tyson Key wrote:
> Hi again, Michael. Probably a stupid question, and I'm not sure if
> it's a bug or not, but any idea why I'd get "The file to which the
> capture would be saved ("../pcapng/U1") could not be opened:
> Permission denied." when trying to write a pcap-ng file to any
> directory other than the default one (/tmp), even as root, and when
> a directory has it's permission bits set to 777?
Not sure what the problem could be. I can run
./dumpcap -n -w test.pcapng -i lo0 -p
without any problem...
>
>
> Thanks in advance,
> Tyson.
>
> On Thu, May 21, 2009 at 5:24 PM, Michael Tüxen
> <[email protected]
> > wrote:
> On May 21, 2009, at 5:17 PM, Tyson Key wrote:
>
> > Hi Michael. This is fantastic news to hear!
> > Will it eventually support non-Ethernet, and mixed link types in the
> > same file (e.g. mmapped Linux USB and Ethernet), out of interest?
> Yes, it should be possible to capture from multiple interfaces of link
> types
> which are supported today (so I do not add new link types). For
> supporting
> multiple link types, I had to add pcapng support, which is already
> there...
>
> Best regards
> Michael
>
> >
> >
> > Thanks,
> > Tyson.
> >
> > On Thu, May 21, 2009 at 1:11 PM, Michael Tüxen
> > <[email protected]
> > > wrote:
> > On May 21, 2009, at 12:02 PM, <[email protected]>
> wrote:
> >
> > > Hi Michael,
> > >
> > > I have downloaded the source code from SVN. Can you please say how
> > > to use dumpcap option -n to capture on interfaces x1, x2, x3
> from x1
> > > to xn.
> > Currently you can capture only on one interface, so
> > dumpcap -n -i en0
> > should work.
> > A future version will support
> > dumpcap -n -i en0 -s 100 -i en1 -s 1000
> > and so one, where you capture on en0 with snaplen 100 and on en1
> with
> > snaplen 1000.
> > You will also be able to set a pe interface capture filter, link
> type,
> > promiscuous flag.
> > I'll send a note to the dev list, when this stuff is working.
> >
> > Which platform are you using?
> >
> > Best regards
> > Michael
> >
> > >
> > >
> > > Regards,
> > > Chandra.
> > >
> > > -----Original Message-----
> > > From: Chandra Sekhar kotikalapudi (WT01 - Telecom Equipment)
> > > Sent: Thursday, May 21, 2009 3:20 PM
> > > To: 'Developer support list for Wireshark'
> > > Subject: RE: [Wireshark-dev] capturing on multiple interfaces
> > >
> > > Hi Michael,
> > >
> > > It is good to hear you have already working on it. Can you please
> > > say in which svn version it is available so that I could do the
> > > testing what ever possible?
> > >
> > > Thanks & Regards,
> > > Chandra.
> > >
> > > -----Original Message-----
> > > From: [email protected]
> > > [mailto:[email protected]
> > > ] On Behalf Of Michael Tüxen
> > > Sent: Thursday, May 21, 2009 2:52 PM
> > > To: Developer support list for Wireshark
> > > Subject: Re: [Wireshark-dev] capturing on multiple interfaces
> > >
> > > On May 21, 2009, at 8:59 AM, <[email protected]>
> > > <[email protected]
> > >> wrote:
> > >
> > >> Hi Tyson,
> > >>
> > >> Thank you very much for the response.
> > >> Is it possible to capture on desired 'x' interfaces in 'n'
> > >> interfaces available using "dumpcap".
> > > This is what I'm working on. The capture file will be stored
> > > in .pcapng format...
> > > Saving in .pcapng is already available in the svn version. Use the
> > -n
> > > option.
> > > Testing it is highly appreciated...
> > >
> > > Best regards
> > > Michael
> > >
> > >>
> > >> Regards,
> > >> Chandra.
> > >> From: [email protected]
> > >> [mailto:[email protected]
> > >> ] On Behalf Of Tyson Key
> > >> Sent: Monday, May 18, 2009 8:53 PM
> > >> To: Developer support list for Wireshark
> > >> Subject: Re: [Wireshark-dev] capturing on multiple interfaces
> > >>
> > >> Hi, Chandra.
> > >> Assuming that all the devices you want to capture on uses the
> same
> > >> link type, there's an "any" pseudo-device on Linux that you can
> > use.
> > >> Sadly, it doesn't store information about the devices involved,
> and
> > >> the link type-specific headers are transformed into a "Cooked"
> > >> format. You might want to investigate pcap-ng for that sort of
> > stuff.
> > >>
> > >> Hope that helps,
> > >> Tyson.
> > >> On Mon, May 18, 2009 at 10:23 AM,
> <[email protected]>
> > >> wrote:
> > >> Hi,
> > >>
> > >>
> > >>
> > >> We all know Wireshark can capture on different interfaces, can it
> > be
> > >> able to capture on all interfaces at once using Wireshark?
> > >>
> > >>
> > >>
> > >> If 'No' is the answer can any one help me in understanding how
> > >> capturing is done using Wireshark?
> > >>
> > >> I could change the implementation accordingly for my needs to
> > >> capture on all interfaces.
> > >>
> > >>
> > >>
> > >> Thanks in advance.
> > >>
> > >>
> > >>
> > >> Regards,
> > >>
> > >> Chandra.
> > >>
> > >>
> > >>
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