said by humulu:
I did indeed change the public IPs as mentioned in the previous post. In the meantime I purchased another router to put the SBS behind that router/firewall so I can disable the firewall on the comcast box. That did the trick and everything works now, i.e. ping and access to the website. Thanks!
I found that the Comcast gateway box's static IP firewall can be setup to work with multiple IP addresses, but it is nonetheless a very rudimentary firewall (with no logging that is visible to the customer), and your secondary firewall is probably a better choice. Glad you got everything working.--
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