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Re: libnet and root privileges question

from [Frédéric Raynal] Network Security [Permanent Link]
Subject: Re: libnet and root privileges question
Date: Wed, 19 Jan 2005 20:56:26 +0100 
On Wed, Jan 19, 2005 at 03:10:13PM +0100, Bokor Laszlo wrote:




Dear All,

my question is for the libnet developers: is there any method to use your
library without root privileges? We are using libnet only to create
UDP/IPv6 headers. We are getting out the created headers from the context,
and writing them into a specialized file, so we don't use any sockets.

If you know any other library for the mentioned problem, please tell me.

Hoping your kind help,
goodzi


With the current libnet version (1.1.*) you need to root rights as
the only output device is either through RAW sockets or link level
sockets.

However, in the "devel" version (libnetng), I have added a PCAP
injection mode, which requires no privilege at all.

Have a look here :
http://www.security-labs.org/libnetng/

Get the last sources and the README.ng file. You can also view the
sample directory.

Regards,

        Fred Raynal
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