RE: GLUG: Port forwarding

[Daniel Melo <danielm@xxxxxxxxxxxxx>]

In the case of ip_forward = 0, how would one enable it ? would a recompile
ne necessary ?

Thanks,

DAN

-----Original Message-----
From: Eugene Grimsdell [mailto:eugene@xxxxxxxxxxx]
Sent: 01 August 2000 11:43
To: localhost@xxxxxxxxxxxxxxxxx
Cc: glug@xxxxxxxxxxxx
Subject: Re: GLUG: Port forwarding


The reson for ftp commands could be becase of ports 
Ftp uses 20 and 21

Best option is to let linux handle the ftp fowrad
in route add a route to the host

route add -host ip.of.nt.box ethusedtoconect 

check /proc/sys/net/ipv4/ip_forward should be 1

and if you use ipchains do the following

ipchains -P forward ACCEPT

On Tue, 01 Aug 2000, localhost@xxxxxxxxxxxxxxxxx wrote:
> Good day.
> 
> I would like to find some information on what the best way to forward IP
> would be. This is how the system should work. I have 1x 2.2.14 linux box,
> and 1x NT4 (sp4) on a network, and the linux box is the gateway and
> firewall with 2 network cards eth0 192.168.0.1 eth1 216.4.160.150, which
> has alias eth1:0 216.4.160.148. now im trying to forward ftp connections
> to the NT box, on 192.168.0.10, the http/www is working fine with a
> program called datapipe. But if i try datapipe an ftp connection it
> connects, but when the ftp client issues the port command it just stops,
> so you can't do a "ls" from a windows system, although a unix ftp client
> sort of works. 
> 
> I have tried different places on the net, and they all
> assume that the system will only have 2 networkcards and no virtual hosts
> running, this linux box has Apache running on 216.4.160.150, and if you
> connect to the virtual host eth1:0 on 216.4.160.148 you get the NT's
> iis. I would apprecate any help. 
> 
> Thanx 
> Gareth Gregor.
> 
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-- 
Eugene Grimsdell	System Administrator
OSRAM South Africa	www.osram.co.za
Tel:	+27 11 805-1777
Fax:	+27 11 405-6695
E-Mail:	eugene@xxxxxxxxxxx
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