Firewall Configuration Home › Forums › Newsletter Plugin Support › Firewall Configuration This topic has 1 reply, 2 voices, and was last updated 8 years, 1 month ago by Stefano. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts October 21, 2016 at 5:34 pm #26540 AnonymousInactive Hi guys, I’ve recently bought a blogger license and I would like to know how I have to configure my system firewall if i want to activate the license on an isolated system. Thx in advance October 26, 2016 at 9:34 am #26621 StefanoKeymaster You should let the blog to contact http://www.thenewsletterplugin.com in port 80 to check for updates. No other activation process is required. Stefano. Author Posts Check out our premium plans with priority support. Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In