forcing proxy

[Emilis <emilis@aigis.lt>]

Hi all
I have masqueraded network
(for example ext: 205.211.112.1 and int: 192.162.1..)
I need to force internal users 192.162.1.. to use external proxy
server for example 195.23.13.12:8080
All traffic going to any:80 to 195.23.13.12:8080
Any solutions ?



                     Emilis