Re: disable TCP from NetBSD

Thanks you for replay, Nikos!

Most probably you are right that I am not in right direction... I just would
like to write a simple implementation of TCP layer of TCP/IP stack. For this
purpose I need IP layer to get IP PDU (packets) with help of raw socket.
Now, I cannot use socket interface as the kernel caught all TCP fragments.
even I cannot receive TCP PDU using bpf from other peers because the kernel
sends RST as it thinks there are not listeners.

I though TCP layer can be easily separated off from the kernel. But, as far
as I understand only whole TCP/IP stack can be turned off because all the
layers have strong dependencies from each other beginning at NIC drivers.

2009/3/23 Nikos Balkanas <[email protected]>

>  Hi,
>
> What are you trying to do? It doesn't seem you are in the right direction.
> All IP traffic should and will go through the kernel. I presume you are not
> redeveloping your NIC drivers.
>
> BR,
> Nikos
>
> ----- Original Message -----
> *From:* Alexander Bubnov <[email protected]>
> *To:* [email protected]
> *Sent:* Sunday, March 22, 2009 7:05 PM
> *Subject:* disable TCP from NetBSD
>
> Hello, all! I am going to practice in net programming by writing TCP
> protocol. Can you please let me know how to disable TCP from NetBSD because
> as I guess all tcp packets will be catched by kernel? Unfortunately, I have
> not found the way in manual about sysctl and GENERIC conf file for kernel,
> just "options INET" which turn off IP + ICMP + TCP.
>
> Thanks in advance.
>
> --
> /BR, Alexander
>
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-- 
/BR, Alexander

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