Re: [PLUG] Linksys and DSL

Paul <gyoza@comcast.net> · 2004年9月20日 09:02:53 -0400

Doug Crompton wrote:
I have a Linksys BEFSR41 cable/DSL router which at the moment I am just

using as a 4 port router. In reviewing the docs and internet info it

appears that this is a very versatile box. It also has a Linux engine and

the code is downloadable. There was also an article on it in Linux Journal

a few months ago.

I think the router in Linux Journal was the WRT54G, which is a wireless 
router.
It appears that this router would handle port forwarding. My question is

if I were to use this box connected to (say) Verizon with a STATIC IP, let

it handle PPOE, and connect my Linux server to it with a 192.168.x.x

address, set port forwarding for DNS, Mail, Web, POP3 or any other service

I want to provide to the world - would this work?

My Web and OpenSSH servers work with Comcast, using a dynamic IP, 
http://www.xname.org and http://DynDNS.org for name serving, and port 
forwarding through a VoIP box. The VoIP box is not as sophisticated as 
a Linksys router, but forwarding works. See the test page at 
http://www.dpagin.net 
Having a static IP will help. Is the DNS server for internal use only? 
I never tried to set up e-mail servers with port forwarding, so I can't 
comment on that.
Now the question is why would I want to do this. I am not sure. It is an
option. Let the router be the front-end to everything and be the firewall.
The other option of course is to connect the DSL modem directly to the
Linux box, let it do PPOE, Firewall, and 192.168.x.x local routing out a
second ethernet port.
I would use the router at the front, unless you want a Linux/OSS 
learning experience.

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