主题：土人问个土问题 -- thunder

is sp2's firewall setting. sp2 imposes firewall rules on bridges as well. you might want to disable that.

if you have created a bridge (instead of doing internet connection sharing) then the linux box is receiving address settings from your DSL/Cable router, not from your WinXP box. the configuration tool of your dsl/cable router should let you change the router address to something other than 192.168.0.1.