Very Computer

by **amacp..** » Wed, 04 Oct 2000 10:38:09

Does a machine running redhat with all services disabled hold up a flag
for all and sundry to say 'Look at me! I'm a linux box!'? I'm curious
as I have a couple of applications I like to run under linux and don't
like to have to reboot into windows so I can check my mail. Current
admin rules are to discourage linux. I dont want to rock the boat too
much.

Thanks.
Andrew

Sent via Deja.com http://www.deja.com/
Before you buy.

by **smn** » Wed, 04 Oct 2000 04:00:00

Look into ipchains.

You can selectively block entire subnets from looking at particular ports on
your computer. You will have to modify your firewall to do this.

Go to http://www.linux-firewall-tools.com/linux/firewall/index.html and edit
the firewall you get.

- Scott

> Does a machine running redhat with all services disabled hold up a flag
> for all and sundry to say 'Look at me! I'm a linux box!'? I'm curious
> as I have a couple of applications I like to run under linux and don't
> like to have to reboot into windows so I can check my mail. Current
> admin rules are to discourage linux. I dont want to rock the boat too
> much.

> Thanks.
> Andrew

> Sent via Deja.com http://www.deja.com/
> Before you buy.

by **Steve Co** » Wed, 04 Oct 2000 04:00:00

> Does a machine running redhat with all services disabled hold up a flag
> for all and sundry to say 'Look at me! I'm a linux box!'? I'm curious as
> I have a couple of applications I like to run under linux and don't like
> to have to reboot into windows so I can check my mail. Current admin
> rules are to discourage linux. I dont want to rock the boat too much.

> Thanks. Andrew

> Sent via Deja.com http://www.deja.com/ Before you buy.

If you want to use the linux box over the network (internet access etc)
then you may have problems if the MS network is not to be aware of your
presence - for example, doing reverse lookup name resolution with DNS
etc.

Steve

by **Bill Hudso** » Wed, 04 Oct 2000 04:00:00

> Does a machine running redhat with all services disabled hold up a flag
> for all and sundry to say 'Look at me! I'm a linux box!'? I'm curious
> as I have a couple of applications I like to run under linux and don't
> like to have to reboot into windows so I can check my mail. Current
> admin rules are to discourage linux. I dont want to rock the boat too
> much.

The long and short of it is that they'd have to go looking for it.

There are ways to diagnose the operating system of a remote machine by
sending specific packets to it, and diagnosing the response. 'nmap' for
example will do this. Fortunately, nmap mostly runs on *nix boxes.

Other than that, if you turn off all the services in Linux, there's
nothing that screams "I am a linux box". If you *send* e-mail however,
you're going to be advertising, since most mail clients brand the
message in one way or another.

I'd quietly find out if the 'policy' is just because they don't want to
support Linux, or if they're afraid of you employing hacker tools.

--
Bill Hudson; Information Systems Manager; Robert Mann Packaging

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