squid make a rule for 2 connection, possible ?

[░▒▓ ɹɐzǝupɐɥʞ ɐzɹıɯ ▓▒░ <mirza.k@xxxxxxxxx>]

dear friend

greeting from me...

i have a silly question

how to use 2 connection
that have rule under squid.conf based on IP address / website

e.g. :

yahoo.com using ISP A
google.com using ISP B

or maybe based on port ?

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