Well, i didn't grow up with messenger at my fingertips and that didn't
kill me. I think it's wrong to consider that someone will lose
productivity if it's cut off from modern ways of communicating.

I for one do not use messenger anymore at my workplace since the general
manager requested that i block IM access. And normal mail like yahoo mail
and others is still functional. The baddest thing that IM brings is
exactly the inerruption of workflow. If you have an ideea and someone
buzzes you most of the time you lose it if you stop what you were thinking
and start chattting with that person.

Getting back to the original problem, my best approach that i could come
up with is splitting the lan in multiple subnets with different access
rights.

Say, the developers subnet does not have access to IM and some sites (IM
proxying sites and others) and the sales peoples subnet has full access to
internet.

We have a fileserver on the corporate network which runs a samba domain
controller but i stumbled on some problems regarding subnets.

I have only one nic which connects all the workstations to the internet.

I run the samba domain controller in a virtual machine using openvz. The
problem is that i cannot have many subnets connecting to the shorewall box
because shorewall does not accepts the routeback parameter if an interface
sits on more subnets.

I was thinking at (as the documentation states) using multiple subnets on
the same interface.

I create the aliases and the zones but i need that some of the subnets to
talk to each other hence i need to use the routeback option for the lan
interface.

the error messaage goes like this :

Validating interfaces file...
   ERROR: The routeback option may not be specified on a multi-zone interface

Does someone made a similar setup and can give a few tips ?



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