Re: network installation/configuration

[Duncan Hill <duncanh rednetworks co uk>]

On Wednesday 03 September 2003 16:22, Fortenberry, Michael wrote:
> My understanding is that an Xserver requires many ports to be open and
> thus to be unsafe. One question is, Can't I have that port access only
> open to one of the XP boxes and not to the world? I downloaded putty for

Assuming the linksys acts as a firewall, and all of the machines 'behind' it 
are on a private IP network (as defined in one of the RFCs), then the ports 
you have open on the linux server are pretty much irrelevant.  That said, 
putty does have a Forward X11 connections option.  Log in with putty, type 
in a program that runs in X, and assuming you have X running in XP, it'll 
appear there.

> Next big question. I set up ssh from one XP box to Linux while perusing
> Rick's link to 'how to setup ssh' and while that allows for Linux to
> Linux work it doesn't discuss XP to Linux. Second part of that is...
> given my Linux box now has a static ip at 192.168.1.122 (thanks to Rick's
> suggestion) how do I come in from the outside world when I don't know

Dynamic DNS - zoneedit.com offer this service, as do other places.  ddclient 
has support for most linksys status pages to work out your external IP and 
feed it to a dynamic DNS server.  Then you just use the DNS name, not IP.

As for XP to Linux... ignore the OS.  SSH is a TCP/IP app/protocol that 
works over the net, from point to point.  Once you have the appropriate 
client software (and if needed the appropriate firewall rules), SSH will 
work.

> Final for now question is, my understanding is my internet access cable
> provider won't want me to host a web site unless I somehow pay for it or
> get someone to host it. My problem is the software I am writing and want
> to host depends on gigabytes of image data. Providers charge by space

Dedicated server :)  Be careful with your ISP TOS - many of them have 
clauses that state 'run a server, lose your service'.



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