ADSL usb modems

[Graeme Nichols]

On Tue, 2004-05-18 at 02:29, Rick Stevens wrote:

> > Rick, I installed it and booted Linux. It was found during boot-up and
> > Linux installed the drivers OK. It is a RealTek RTL-8139, SMC EZ Ca.
> 
> Terrific!  Yeah, the RealTeks are being used a lot on mobos now.
> They're pretty good.  Not the fastest thing in the world, but
> reasonable.
> 
> > Linux talked to the ADSL modem/router straight away. Now... as soon as
> > Telstra (our local telco here in Aust.) activates the line for ADSL I
> > can configure the modem/router and be away, hopefully :-)
> 
> Great!  And away we go!  Make REAL sure you set up a VERY restrictive
> firewall, Graeme.  Don't allow anything IN except the absolute minimum
> of what you need.  In my case, it's DNS (TCP/UDP port 53), SSH (TCP
> port 22) and NTP (TCP/UDP port 123).

Hello Rick, I will! and thank you for pointing out the ports you allow
in. I wont need SSH coming in and probably not NTP either.
> 
> Turn off any daemons you don't need (e.g. don't portmap unless you're
> running NFS or need FAM) and restrict those you do need to your local
> network (probably 192.168.0.0/24 or whatever the local side of the
> router is).  Make sure no other daemons or xinetd are listening on some
> weird ports (run nmap/nmapfe on your system).  Try to run something like
> tripwire on your system, too, so you can see changes to your
> filesystems.

I already run tripwire and I'll take your advice and make sure nothing
is listening on anything else.

Again, thanks for all your help and advice.

-- 

Kind regards,

Graeme Nichols

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