Recently I just a got a new got a new CenturyLink/Zyxel router. Since then I haven't been able to successfully reach my IP through any kind of port. I have been wanting to access and FTP file server the report 21 (default FTP port) but it wont connect. I've been trying to do the same with a Minecraft server through the port 25565, but this does not work as well I have been having troubles since this new router. It is helpful to know that it is a router that has two networks a 2.4 GHz and 5 GHz. I have done a lot of troubleshooting in my router's configuration on the line. I have tried messing with my firewall disabling in enabling NAT. I have allowed everything I can to not get blocked through my firewall and have tried this both on A Windows Lenovo computer and Mac computer.
I have noticed this can be a common problem with some people. I have no doubt that this is my ISP's fault if you can figure out what's I could do to troubleshoot this anymore that would be greatly appreciated. I am going to call customer support in a day or two. If you have any experience with Internet services I would love to hear your take on this.