How to write packets on ethernet card

Hi all,
I want to write raw packets over the Ethernet card. I don’t
how to do it in ruby. If anybody knows help me…

On Wed, Mar 11, 2009 at 6:48 AM, Stalin Thangaraj
[email protected] wrote:

Hi all,
I want to write raw packets over the Ethernet card. I don’t
how to do it in ruby. If anybody knows help me…

http://tinyurl.com/cb9p7z

When you have more specific questions, and have researched this a
little and can show what you have tried so far, post back and I’m sure
folks will help you.

-greg

Stalin Thangaraj wrote:

      I want to write raw packets over the Ethernet card. I don't

how to do it in ruby. If anybody knows help me…

First find out how to do it in C using the Unix sockets API. Suggested
resource is “Unix Network Programming volume 1” by Richard Stevens, pub
Addison Wesley. Or you can find existing code which sends raw packets
and reverse-engineer that. Ask questions on a kernel/networking mailing
list if you have problems.

Once you know this, you can translate easily to Ruby, since ruby’s
Socket is a thin layer on top of this.

Google “ruby socket” and the first hit is the socket documentation. Also
look in the sockets documentation at
http://www.ruby-doc.org/books/ProgrammingRuby (click on “Network and Web
Libraries”)

On 11 Mar 2009, at 12:23, Brian C. wrote:

list if you have problems.

Once you know this, you can translate easily to Ruby, since ruby’s
Socket is a thin layer on top of this.

Google “ruby socket” and the first hit is the socket documentation.
Also
look in the sockets documentation at
http://www.ruby-doc.org/books/ProgrammingRuby (click on “Network and
Web
Libraries”)

Follow the link in my sig and you’ll find some presentations bursting
with code for UDP and TCP network comms. These aren’t raw packets in
the fullest sense of the term but depending on your intent they may
suffice.

Ellie

Eleanor McHugh
Games With Brains
http://slides.games-with-brains.net

raise ArgumentError unless @reality.responds_to? :reason

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