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NKE tcp redirect socket filter 10.4+

Subject: NKE tcp redirect socket filter 10.4+
From: Erez Kaplan <email@hidden>
Date: Thu, 10 May 2007 09:02:23 +0300
Delivered-to: email@hidden
Delivered-to: email@hidden

I have read the following:

Network Kernel Extensions

2007-04-03

I need to intercept in NKE, brower requests to

a certain host name and redirect it to another. (it eventually should get back to the browser)

I am looking into "socket filter" but so far with no success.

I am trying in "tl_connect_out_fn(void *cookie, socket_t so, const struct sockaddr *to)" to manipulate the host

Does the below extraction claim it's possible?

http://developer.apple.com/documentation/Darwin/Conceptual/NKEConceptual/SocketManipulation/chapter_3_section_3.html#//apple_ref/doc/uid/TP40001858-CH235-DontLinkElementID_6

#==================================

Note: If you were considering calling sock_close to redirect a socket to a different location,

you can do this by intercepting the connection request with a socket filter and redirecting the stream when the application first opens the socket.

Once opened, however, a stream cannot be redirected. For more information, see “Socket filters.”

#==================================

Erez Kaplan

Independent software developer OSX

email@hidden

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