[Gllug] port forwarding and port translation

paul paul at thinksolution.net
Thu Sep 1 12:40:16 UTC 2005


actually I was right both the FVS328 and the FVL328
both incorporate port forwarding and NAT routing they are
cheap but have an extensive range of features and would be
very suitable to a home network. I saw a FVS 328 the other day
for £90 (can't remember where), and I believe the price is about
£120 forl the FVL 328 (I'd go for this one if I were you).

----- Original Message ----- 
From: "paul" <paul at thinksolution.net>
To: "Greater London Linux User Group" <gllug at gllug.org.uk>
Sent: Thursday, September 01, 2005 1:26 PM
Subject: Re: [Gllug] port forwarding and port translation


I don't know about specific models, but I set a Netgear up a while ago for a
friend, and it supported NAT and port forwarding quite happily. It didn't
have a firewall though.

try the netgear FLV328
or its cheaper but less endowed brother
the Netgear FVS328
I've used both of these but prefer the FLV rather than the fvs they will
both achieve what you are looking for I believe. Better check the specs
though incase I've missed some point in your email that is vital.
You will be able to pick either of these machines up brand new for less
than £130.


----- Original Message ----- 
From: "Mike Brodbelt" <mike at coruscant.demon.co.uk>
To: "Greater London Linux User Group" <gllug at gllug.org.uk>
Sent: Wednesday, August 31, 2005 11:46 PM
Subject: Re: [Gllug] port forwarding and port translation


> On Wed, 2005-08-31 at 18:35 +0100, gilbert francourt wrote:
>
> > verge of getting the NetGear DG834, but I was wondering if there were
> > better (inexpensive!) ones that anyone could suggest. I came across a
> > web page that said Netgear products don't do 'port translation', which
> > apparently would make running home servers awkward.
> >
> > However, I've read the PDF manual on this model and it says that port
> > forwarding can be done. Is this the same as 'port translation'?
>
> Not usually. There are a few basic technologies:-
>
> NAT (network address translation), which is used when you want to
> translate IP addresses between an internal network and the outside
> world. The usual case for this with home networks is when you want to
> put several computers behind your router, but you only have one
> externally routable IP address from your ISP. NAT can do more than just
> this, but the use I've utlined is by far the most common on small home
> networks.
>
> NAT goes under different names in different places. The Linux kernel
> used to call it IP Masquerading, but is now tending towards calling it
> NAT. Windows calls it Internet Connection Sharing. Router vendors call
> it whatever their marketing department feels like.
>
> Port forwarding is where a router forwards connections received on a
> certain port to a specific machine on the internal network. You need
> this if you want to run a server that's reachable from the internet on a
> machine without a directly routable IP address.
>
> Packet filtering/firewalling - not so vital when the router is the only
> directly internet accessible device, but absolutely necessary if you're
> running without NAT. If the firewall is stateful, as opposed to just a
> simple packet filter, so much the better. I'd personally always want a
> router with firewalling anyway, as it often comes in handy....
>
> > I want to attempt building a server some time, so it seems that the
> > Netgear is off the menu. Or is it?
>
> I don't know about specific models, but I set a Netgear up a while ago
> for a friend, and it supported NAT and port forwarding quite happily. It
> didn't have a firewall though.
>
> If you feel really adventurous, you could buy something like the Linksys
> WRT54g. It supports what you need out of the box, and when you want
> more, you can re-flash the firmware with Linux, and get the full power
> of the kernel iptables implementation to play with. Check out
> http://www.batbox.org/wrt54g-linux.html for more info.
>
> HTH,
>
> Mike.
>
> -- 
> Gllug mailing list  -  Gllug at gllug.org.uk
> http://lists.gllug.org.uk/mailman/listinfo/gllug
>
>

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