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Re: Debian 8 system is not fully functional

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When I turn it on
https://www.kernel.org/doc/html/latest/networking/ip-sysctl.html I guess
it's IP_ Dynaddr - Boolean.
If set non-zero, enables support for dynamic addresses. If set to a
non-zero value larger than 1, a kernel log message will be printed when
dynamic address rewriting occurs.Default : 0.
Should it be set to 1 to send packets disguised as IP? But when I use vi
IP_ dynaddr
To modify and save the prompt: "IP"_ dynaddr" E212: Can't open file for
writing“.
So I used Chmod 777 ip_ dynaddr authority, display error: Chmod: changing
permissions of 'IP_ dynaddr': Operation not permitted.
I use chaddr - i ip_dynaddr command to removes attributes and displays an
error: chattr: Inappropriate ioctl for device while reading flags on
ip_dynaddr.  How to set dynaddr?



On Wed, Dec 23, 2020 at 10:51 PM Dan Ritter <dsr@randomstring.org> wrote:

> zhang yang wrote:
> > When I write a raw socket to send packets in Linux C, it shows:
> > WARNNING:The current server does not support IP spoofing.
> > How to set up debian8 system to use this function
>
> 1. Read
> https://www.kernel.org/doc/html/latest/networking/ip-sysctl.html
>
> 2. Install a Debian 10 (stable) system. Debian supports
> upgrading in place to 9, then 10. If you're doing spoofing, you
> are security-conscious; if you are security-conscious, you
> should be running stable, not old-old-stable.
>
> 3. Alternatively, you don't mean to be spoofing and your problem
> is in your code.
>
> -dsr-
>

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Debian 8 system is not fully functional zhang yang <shuyang9708@gmail.com> - 2020-12-23 15:40 +0100
  Re: Debian 8 system is not fully functional Dan Ritter <dsr@randomstring.org> - 2020-12-23 16:00 +0100
    Re: Debian 8 system is not fully functional zhang yang <shuyang9708@gmail.com> - 2020-12-24 06:10 +0100
      Re: Debian 8 system is not fully functional Greg Wooledge <wooledg@eeg.ccf.org> - 2020-12-24 14:10 +0100
        Re: Debian 8 system is not fully functional Kenneth Parker <sea7kenp@gmail.com> - 2020-12-24 15:40 +0100

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