LINUX Experts needed !!

[NucleusWDS]

Please help ...
1. I've managed to setup IP Masquerading
ie all my Windows PC have access to the internet using 1 connection via my Linux box.

2. I've managed to setup DHCP with gateway/router configuration.
ie my Linux box automatically assigns each of my Windows PC with an IP no. + network configuration.

NOW I stuck on using Windows PC to setup my WEB/FTP/GAME servers. Therefore all my servers will be running behind the Linux box.
Can this be done? ... What do I have to do?

Previous attempts using IP Chains didn't quite work.
I've heard that 'SQUID' caching proxy server is the one to use ... is that correct?

Any help is much appreciated ... thanks

 

[Damaged]

ipmasqadm

 

[doug]

http://www.e-infomax.com/ipmasq/appsup.html

http://linux-firewall-tools.com/
http://linux-firewall-tools.com/linux/firewall/index.html

 

[rahvin]

ipmasqadm, use the portfwd portion to forward the FTP and WWW ports (21,80)

 

[Shuxclams]

#Napster Rule
echo "Napster rule started....................."

ipmasqadm portfw -a -P tcp -L <WAN IP> 6699 -R 192.168.1.0 6699

#Gnutella port forward rule.
echo &quot;Gnutella rule started....................&quot;

ipmasqadm portfw -a -P tcp -L <WAN IP> 6346 -R 192.168.1.0 6346

#FTP Rule
echo &quot;Starting FTP portforwarding................&quot;

ipmasqadm portfw -a -P tcp -L <WAN IP> 21 -R <server IP> 21
ipmasqadm portfw -a -P tcp -L <WAN IP> 20 -R <server IP> 20

#Terminal Server Rule
echo &quot;Starting Terminal server rule...................&quot;

ipmasqadm portfw -a -P tcp -L <WAN IP> 3389 -R <server IP> 3389

#VNC rule
echo &quot;Start VNC rule......................&quot;

ipmasqadm portfw -a -P tcp -L <WAN IP> 5900 -R <server IP> 5900


#Website rule
echo &quot;HTTP forwarding.......................&quot;

ipmasqadm portfw -a -P tcp -L <WAN IP> 80 -R <server IP> 80

#Mail settings
echo &quot;e-mail portforwarding........................&quot;

ipmasqadm portfw -a -P tcp -L <WAN IP> 25 -R <server IP> 25
ipmasqadm portfw -a -P tcp -L <WAN IP> 110 -R <server IP> 110
ipmasqadm portfw -a -P tcp -L <WAN IP> 135 -R <server IP> 135

As long as you know the port number you can specify forwarding to any machine on the LAN.


SHUX

 

[Damaged]

God dang it shux! He was doin' fine. I didn't want him spoon fed!

 

[NucleusWDS]

Thanks guys ... ley me try this and I get back to you ...

Hope it works

 

[ArkAoss]

im newer to linux than anything, im a total idiot, so here goes my look at the dumb fool question:
those lines you list shuxclams they need to be added to an file someplace to enable napster to work after a linux box right? which file. also will icq need a line like that? I'm going to be trying for the first time a linux server running from a floppy disk (maybe a 300mb hard drive)

 

[Zach]

Usually I put a script that sets up forwarding/firewalling called rc.firewall in my /etc/rc.d/rc.local directory, and those lines would be in that file

 

[NucleusWDS]

Hey Shuxclams what does <WAN IP> mean?
Is that the external interface ... 'ppp0' or 'eth1' ? (my 'eth0' is my internal LAN interface)
Does it have to be a fixed ip no.?

ALMOST there ... just a few more hints please


BTW Triple booting Win98, Win2K and Linux is GREAT !!!

 

[Damaged]

<WAN IP> means the IP assigned to the interface that's connected to the internet, not to your internal network.

If you need a quick script to grab the IP each time because you have a dynamic IP, just ask.

 

[M]

ArkAoss, There are no simple answers to the questions you asked both here, and in the thread you posted about freesco. They are simply things you need to research yourself. I suggest you read some more about TCP/IP, routing, and Network Address Translation. There are lots and lots of good information sources on the web for all of these topics, and particularly their implementations in unix systems, so I would suggest that you have a search with google, and also take a peek at The Linux Documentation Project. Once you've got a good grounding in the concepts of this, come back and ask more specific questions. With a bit of luck, you might even be able to answer the questions for yourself.

Unix, and TCP/IP networking are not particularly easy things to learn, but they're not that hard, either. All it takes is a little research, and judicious use of the many, many online resources.

 

[NucleusWDS]

Thanks GUYS !!! ... EVERYTHING works superb !!!

I edit the <WAN IP> to the IP address (dynamic) given by my ISP when I connect to the internet (ppp0).
But now I need a quick script to grab the IP each time because I have a dynamic IP.


So 'Damaged' can you give me that script ... PLEASE

A BIG thanks again to all ...

 

[ArkAoss]

m i'll check those out thanx

 

[Damaged]

extip=&quot;/sbin/ifconfig ppp0 | grep 'inet addr' | awk '{print $2}' | sed -e 's/.*://'&quot;


That defines a variable (extip) the massages it down to assigning the IP assigned to ppp0 to extip.

2-4-6

 

[NucleusWDS]

BRILLIANT ... I'll give that a try.

Oh one more thing ... what's the MAIN difference between portfw and autofw
I know that with 'portfw' you have to manually setup EXTERNAL IP and
with 'autofw' it just automatically forwards the port.
Is that correct? Are there any security implications here?

Thanks

 

[ArkAoss]

bumpin to the top