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Robert Kulagowski via gnugk-users wrote:
> On Mon, Aug 12, 2019 at 5:21 AM Jan Willamowius via gnugk-users
> <gnugk-us...@lists.gnugk.org> wrote:
> > when you run the GNU Gatekeeper, you can block spam calls from the well
> > known bots ("MERA RU", "SimpleOPAL" etc.) eg. using a small LUA script
> > in your config.
> >
> > But that alone doesn't stop the load on the server, because often these
> > bots keep on making calls.
> >
> > Fail2ban to the rescue!
>
> Is the lua script available somewhere? I looked at the documentation,
> and I didn't see it in the Appendix, and it doesn't appear that it was
> in the tarball as far as I can tell.
I'm, using a simple one-line script to block the bots:
[LuaAuth]
CallScript=if (string.find(vendor, "MERA RTU") or string.find(srcInfo, "cisco")
or string.find(vendor, "SimpleOPAL")) then result = "Fail"; else result = "OK";
end
[Gatekeeper::Auth]
LuaAuth=required;ARQ;Setup
Regards,
Jan
--
Jan Willamowius, Founder of the GNU Gatekeeper Project
EMail : j...@willamowius.de
Website: https://www.gnugk.org
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