[Discuss] make tcp options stick
Rajiv Khaneja
rajivk at sparklit.com
Mon Aug 20 16:57:18 PDT 2007
Well there are a few ways... the simplest being to make a boot up script
that automatically runs on boot (hence the name boot up script) and applies
your config options. Often times people will combine this with their
firewall script or such.
Cheers,
Rajiv
On 8/20/07, R. Langkamer <vlug at langkamerit.com> wrote:
>
> Hello all,
>
> I just successfully blocked a SYN attack but in doing so, I
> changed
> some TCP options on the ubuntu server and I was wondering how to make
> those changes stick? My understanding is that the next time I have to
> reboot (kernel updates typically), my changes will be undone.
>
> For those interested, the successful blockage was done on the
> firewall
> and I don't mess around considering that one attack is likely coming
> from a "zombie" computer which means that there will be others, so I
> block the whole subnet. It's only 255 addresses after all. :)
>
> --
>
> Sincerely,
>
> R. Langkamer
>
> cross platform specialist
> Mac - Linux - windows
>
> Langkamer I.T.
> on-site/remote tutorials, support & training
> (T) 250.391.8972
> (F) 250.391.8972
> (E) ruairi @ langkamerit . com
> _______________________________________________
> Discuss mailing list
> Discuss at vlug.org
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>
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\___ \| '_ \ / _` | '__| |/ / | | __| Sparklit
___) | |_) | (_| | | | <| | | |_ ph: 877.275.5480 x 811
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