How to tell if a port is open given an IP address in macOS April 7, 2026 | No Comments | command, information, internet, macos, port the command is: hostname is a string as ‘www.google.com’ or ‘abcd’
Open a port on the router September 3, 2025 | No Comments | linux, macos, nc, port, server, ssh I have 3 ISPs(Internet service provider). I’m from Argentina One of them is TELECENTRO. The other 2 are different PERSONAL (is an ISP from here) […]
communicate 2 PCs via public IP with TCP or UDP May 23, 2025 | No Comments | console, information, linux, macos, message, messaging, nc, package, port, protocol, public_ip, server nc is a command-line tool called Netcat. It’s a very versatile network utility used to read and write data over network connections, using both the […]
Send a message via TCP with NC between two PCs connected to a LAN May 3, 2025 | No Comments | console, information, linux, macos, message, nc, server obtain the private IP of said computer A PC sends a message via FTP to a private IP and port. The PC to which the […]
