The best replacement for comodo firewall is windows firewall.

The best alternatives to comodo firewall are rated as following:
★★★★★  windows firewall
★★★★★  online armor
★★★★  zonealarm
★★  windows 7 firewall
★★  zone alarm
★  zonealarm free
★  zone alarm firewall
★  outpost
★  zonealarm firewall
  avast firewall
  pc tools firewall
  online armor firewall

Your alternative for comodo firewall is not listed? Suggest!
Speaking about comodo firewall, one probably shouldn't forget about avast.

Other search terms related to comodo firewall and their ratings are:
★★★★★ avast
★★★ avg
★★ avast antivirus
★★ bitdefender
★ avira
You have in mind a companion for comodo firewall and it is not yet here? Propose!



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comodo firewall
windows firewall
online armor