Hello

on server B:

iptables -t nat -A PREROUTING -i <lan_iface> -s <lan_users_subnet> -p tcp 
--dport 80 -j DNAT --to <squid_box>:80
iptables -t nat -A POSTROUTING -o <out_iface_connected_to_switch> -d 
<squid_box> -p tcp --dport 80 -j SNAT --to <wan_iface>


on server A:

iptables -t nat -A PREROUTING -s <server_A_wan_ip> -p tcp --dport 80 -j 
REDIRECT --to 8080

 
 
>>>Basia Nowak <[EMAIL PROTECTED]> 06/04/05 1:08 pm >>> 
Hi, 
 
--- azeem ahmad <[EMAIL PROTECTED]> wrote: 
 
>give some details. which server is connected to 
>internet??? with which ur 
>lan clients connect, do clients connect to ur 
>router???? and u have proxy on 
>server A and NAT on server B. do u want ur clients 
>request coming through ur 
>LAN router to be redirected to ur proxy server A. 
 
OK. Once again. 
 
I have server 'A' and server 'B'. Both had public IP 
address (PI status from RIPE NCC). 
Server 'A' and server 'B' is connected via switch to 
router WAN. 
 
S 'A' ----> Switch <---- S 'B' 
            ^ 
            | 
WAN ---------+ 
 
So, directly connected to internet is 'A' & 'B'. 
Its world access. 
Now: On server 'A' (and ONLY) I make squid 2.4 proxy 
server. 
 
On server 'B' I make NAT router. People are connected 
to internet via server 'B'. Now... I want to force 
proxy server on server 'B' from 'A'. 
 
I cannont use simple redir on port with iptables 
because these are no any proxy on server 'A'. 
 
Machine on server 'A' is 10x better from machine on 
server 'B'. I cannont make NAT on server 'A'. 
 
I make proxy config to make transparent proxy and 
proxy works on 8080 port. 
 
Now only 1% users use my proxy ;/ 
 
-- 
I greet 
Barbara 
  
 
 
 
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