Hello,
I have ltsp server on Mandrake 9.1 and five clients.
My server is also connected to a general network.
I would like to restrict access to my server to other computers
on the general network.
Should I use firewall ?
And if I use Firewall will it not create problem for the clients ?
The most common setup for this is to have two ethernet cards in the LTSP server, one for the client network, the second one for the external network (where usually the internet router is located). In that case,
you can just block near to any traffic from the "externals", only offer services for the "internal" networks. There's >=1 firewalling howto on www.tldp.org ("The Linux Documentation Project"), which is not specially suited to LTSP but explains the general firewalling stuff. Go with iptables, instead of ipchains, read that howto, come back (or irc.freenode.net#ltsp) if you have questions.
If you cannot separate networks, that's bad. Getting a setup with only
one network card near to anything like secure seems impossible to me, but YMMV.
HTH,
Anselm
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