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how to build an ipv4 packet? 2005-05-03
Andrea_ landi (andrea3333 tiscali it)


I have read libnet's guide but i don't understand how to build an ip packet. I have to write: libnet_build_ipv4(........), but first of this what have I to write?
I'm sorry for this simple question but I'm trying now to use Libnet.

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FW: [PATCH]Possible bug in libnet_build_udp.c in libnet 1.1.2.1and its fix 2005-05-02
Arun Vishwanathan (arun vishwanathan nevisnetworks com)
Resending ...

-----Original Message-----
From: Arun Vishwanathan
Sent: Sunday, April 24, 2005 1:28 AM
To: 'libnet (at) securityfocus (dot) com [email concealed]'
Subject: [PATCH]Possible bug in libnet_build_udp.c in libnet 1.1.2.1and
its fix

Hi Mike,

I encountered a possible bug while using libnet_build_udp
(libnet-1.1.2

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Re: Any way to automatically change arbitrary headers of IP packets on-the-fly? 2005-04-19
G P (telos888 yahoo com)
Use NetSED:

http://www.mirrors.wiretapped.net/security/packet-construction/netsed/ne
tsed-README.txt

--- João Paulo Caldas Campello <protecao (at) gmail (dot) com [email concealed]>
wrote:
> On 4/14/05, Valdis.Kletnieks (at) vt (dot) edu [email concealed]
> <Valdis.Kletnieks (at) vt (dot) edu [email concealed]> wrote:
>
> > Currently, iptables doesn't seem to support that,
> probabl

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Message too long 2005-04-16
Karen Pease (meme daughtersoftiresias org) (1 replies)
This should be a relatively simple problem, but it is beyond me. I'm trying
to write 1243 bytes to the wire (which should fit in an ethernet frame), but
am getting "Message too long".

This function (below) is getting called, and it is printing:

1243
ERROR (libnet_context.cxx,249,0x8104fa0): W

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How can I add ieee 802.11b support to libnet? 2005-04-20
Liang Yang (liang_yang hotmail com) (1 replies)
Re: How can I add ieee 802.11b support to libnet? 2005-04-21
Frédéric Raynal (frederic raynal security-labs org)
Re: Any way to automatically change arbitrary headers of IP packets on-the-fly? 2005-04-15
João Paulo Caldas Campello (protecao gmail com) (1 replies)
On 4/14/05, Valdis.Kletnieks (at) vt (dot) edu [email concealed] <Valdis.Kletnieks (at) vt (dot) edu [email concealed]> wrote:

> Currently, iptables doesn't seem to support that, probably to keep you from
> shooting yourself in the foot. Consider for example how fast the kernel will
> fold up if you change that first nybble of the packet from an x'4' to

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Ethernet Trailers 2005-03-25
andersen7 charter net (1 replies)


When I build an igmp message with

libnet_build_igmp
libnet_build_ipv4
libnet_build_ethernet

The packet is really smaller than the minimum ethernet frame (46 data bytes). If I try to add the trailer at the ethernet layer (so it is 64 bytes) it wipes out the packet, is it possible to have an off

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Re: Ethernet Trailers 2005-04-19
Mike Schiffman (mike infonexus com)
win32 libnet_init failed (unable to open the driver) 2005-03-23
curtis Robbins (curtis mail gmail com)
Hi,when I tried to migerate my code from linux to windows with libnet 1.2.1,
I encountered big tourble. then I turned to libnet sample code in win32

I installed new WinPcap_3_1_beta4.exe. windows.net 2003 enviroment .
the libnet win32 sample code is compiled all right.

but the sample code can not

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Help! win32,libnet_init failed ! 2005-03-23
curtis skelvsa (curtis mail gmail com)


Hi,when I tried to migerate my code from linux to windows. I encountered big tourble. then I turned to libnet sample code in win32

I installed new WinPcap_3_1_beta4.exe. windows.net 2003 enviroment . the libnet win32 sample code is compiled all right.

but the sample code can not run rightly. whe

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Help req: Using Libnet with NetPoke 2005-03-19
Habibullah baig (habibbaig hotmail com) (1 replies)


Hi all
while tying to intall the Netpoke i got folllowing messages.
it says gmt2local.c file missing which is not included in the WinPoke package.
pl help
/usr/include/libnet/libnet-headers.h:654: duplicate member `ip_v'
/usr/include/libnet/libnet-headers.h:655: duplicate member `ip_hl'
/usr/i

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Re: Help req: Using Libnet with NetPoke 2005-03-22
Dunceor . (dunceor gmail com)
snprintf patches 2005-03-18
Dunceor . (dunceor gmail com)
Hey all.
I just upgraded my old sparc box to OpenBSD 3.7-current and then (of
course) installed libnet from source (1.1.2.1).
OpenBSD have done some adds to gcc so that gcc warns you when sprint
is being used (just as they have done with strcpy, strcat and strcmp
before).
I then saw there is a few s

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Hummingbird 1.5 released 2005-03-10
Mike Schiffman (mike infonexus com)
Hummingbird is a module-based asynchronous scanning engine. It is a
generic platform useful for scanning large sets of target devices in
very short periods of time.

http://www.packetfactory.net/projects/hummingbird

--
Mike Schiffman, CISSP
http://www.packetfactory.net/schiffman
Doveryay No Prove

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Fwd: 802.11 tx lib - actually working on it now :) 2005-03-08
Mike Schiffman (mike infonexus com)
FYI

Begin forwarded message:

> From: Mike Kershaw <dragorn (at) kismetwireless (dot) net [email concealed]>
> Date: March 8, 2005 6:45:48 AM PST
> To: mike (at) infonexus (dot) com [email concealed]
> Subject: 802.11 tx lib - actually working on it now :)
>
> So, what, a year after we talked about it, I'm finally working on a
> driver-neutral 802.11 inje

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FreeBSD libnet_pblock_find() problem 2005-03-01
Victor Lima (sena urbi com br) (2 replies)
Hello list,

Im trying to build an application that will forge UDP packets based on
information retrieved by libpcap. The box that I'm using is a FreeBSD
5.3-REL with ports retrieved from the instalation CD. The libnet version
is: libnet-devel-1.1.2.1.

The problem lies somewhere in this cod

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Re: FreeBSD libnet_pblock_find() problem 2005-03-01
Mike Schiffman (mike infonexus com) (1 replies)
Re: FreeBSD libnet_pblock_find() problem 2005-03-03
Mustafa Abu Sedera (tifa_80 hotmail com)
Re: FreeBSD libnet_pblock_find() problem 2005-03-01
Frédéric Raynal (frederic raynal security-labs org)
performance of libnet-based tools 2005-02-26
Steven Alexander Jr. (alexander steven sbcglobal net) (4 replies)
I've been experimenting with a few different
libnet-based tools such as Packit and ISIC. If I try
to generate a high-volume of traffic using these
tools, with various options and protocols, the error
rate is extremely high. ISIC says:

Failed to send packet: No buffer space available

The synflood

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Re: performance of libnet-based tools 2005-03-01
Aaron Turner (aturner pobox com)
Re: performance of libnet-based tools 2005-03-01
Mark Atkinson (darkmark filament org)
Re: performance of libnet-based tools 2005-03-01
Frédéric Raynal (frederic raynal security-labs org)
Re: performance of libnet-based tools 2005-03-01
Matt Bing (matt mutedwarf com)
The Common Vulnerability Scoring System 2005-02-25
Mike Schiffman (mike infonexus com)
Hey guys, just as an FYI, this is what I've been working on for the
past year: http://www.packetfactory.net/papers/CVSS/
--
Mike Schiffman, CISSP
http://www.packetfactory.net/schiffman
Doveryay No Proveryay

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Is libnet thread safe? 2005-02-24
Neema (neema network gmail com)
Dear All,

Is that the libnet library thread safe?? Thanks in advance...

--

Thanks & Regards,
Neema

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new ng 2005-02-20
Frédéric Raynal (frederic raynal security-labs org)

Hello

Here is a new release of NG devel tree.

ng-050220
- change some ifdef and so on in libnet-swab.h (should be rewritten)
- IPv6:
- fixed libnet_in6_addr
- add RAW6 mode ... but tested only on Linux
- add builders, checksum, and new sample (sample/ip6.c)
- unmacrofied all the 802.11 fu

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