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i have 2 lan connections, 1 connect to local network server and other to internet, how do i configure firefox to open website on my local network connection and internet also

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I have 2 local area connections in my computer, one connects to local office network server and another to the internet. when i use firefox i want to configure it to use it to connect to my local office network server website which has address as http://199.123.9.1 and also internet web address simultaneously,

I have 2 local area connections in my computer, one connects to local office network server and another to the internet. when i use firefox i want to configure it to use it to connect to my local office network server website which has address as http://199.123.9.1 and also internet web address simultaneously,

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it is not firefox problem, it is your OS setting up problem, around DNS and routing problems. you need a network administrator to help you. you need to learn a lot for detailed configuration of windows routing, or ask a network expert to help you.

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I found the solution, myself, you need to go to network settings and then select manual proxy setting and provide the ip address of the internet server . that's all "it is not OS setting up problem, around DNS and routing Problems." as stated by you, anyway thanks.