![]() ![]() When he isn't working on a computer or DIY project, he is most likely to be found camping, backpacking, or canoeing. Information security experts use this information to better protect company. For example, they can exploit vulnerabilities in externally accessible network services, the device operating system, and elsewhere. He has designed crossovers for homemade speakers all the way from the basic design to the PCB. Port scanning determines: Port status (open, closed, firewall-protected) Cybercriminals use this information in preparing attacks. He regularly repairs and repurposes old computers and hardware for whatever new project is at hand. He enjoys DIY projects, especially if they involve technology. He also uses Proxmox to self-host a variety of services, including a Jellyfin Media Server, an Airsonic music server, a handful of game servers, NextCloud, and two Windows virtual machines. He has been running video game servers from home for more than 10 years using Windows, Ubuntu, or Raspberry Pi OS. Nick's love of tinkering with computers extends beyond work. This tool may also be used as a port scanner to scan your network for ports that. This tool is useful for finding out if your port forwarding is setup correctly or if your server applications are being blocked by a firewall. In college, Nick made extensive use of Fortran while pursuing a physics degree. The open port checker is a tool you can use to check your external IP address and detect open ports on your connection. Before How-To Geek, he used Python and C++ as a freelance programmer. ![]() He has been using computers for 20 years - tinkering with everything from the UI to the Windows registry to device firmware. ![]() Nick Lewis is a staff writer for How-To Geek. ![]()
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