▁an ▁opt - out ▁basis . ▁Users ▁on ▁the ▁" Per formance " ▁tier ▁or ▁higher ▁receive ▁un limited ▁usage ▁of ▁these ▁hot sp ots ▁after ▁signing ▁in ▁with ▁their ▁X fin ity ▁Account . ▁By ▁default , ▁all ▁dual - band ▁X fin ity ▁home ▁gate ways ▁operate ▁both ▁a ▁private ▁network , ▁and ▁a ▁public ▁network ▁with ▁the ▁SS ID ▁" x fin ity w ifi ." ▁To ▁con serve ▁band width , ▁these ▁hot sp ots ▁are ▁c apped ▁at ▁ 5 ▁simultane ous ▁users . ▁Custom ers ▁can ▁opt ▁out ▁of ▁providing ▁X fin ity ▁Wi Fi ▁through ▁either ▁the ▁Com cast ▁website , ▁or ▁by ▁installing ▁a ▁third - party ▁router . ▁ ▁Com cast ▁has ▁received ▁criticism ▁for ▁this ▁practice , ▁with ▁critics ▁arg uing ▁that ▁the ▁company ▁was ▁ab using ▁customer ▁resources ▁( including ▁band width ▁and ▁electric ity ) ▁to ▁provide ▁services ▁for ▁other ▁customers , ▁as ▁well ▁as ▁concerns ▁regarding ▁security , ▁and ▁li ability ▁for ▁actions ▁performed ▁by ▁users ▁while ▁connected ▁to ▁these ▁home ▁hot sp ots ; ▁in ▁ 2 0 1 4 , ▁a ▁proposed ▁class ▁action ▁law suit ▁was ▁file d ▁in ▁California , ▁cit ing ▁viol ations ▁of ▁the ▁Computer ▁Fra ud ▁and ▁Ab use ▁Act ▁and ▁similar ▁state ▁laws ▁for ▁these ▁reasons . ▁Com cast ▁def ended ▁the ▁service ▁by ▁stating ▁that ▁the ▁public ▁Wi - Fi ▁is ▁fire w alled ▁from ▁devices ▁connected ▁to ▁the ▁in - home ▁network , ▁was ▁designed ▁to ▁have ▁minimal ▁band width