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| def port_open?(host, port, timeout = 5) | |
| addr = Socket.getaddrinfo(host, nil) | |
| sockaddr = Socket.pack_sockaddr_in(port, addr[0][3]) | |
| Socket.new(Socket.const_get(addr[0][0]), Socket::SOCK_STREAM, 0).tap do |socket| | |
| socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1) | |
| begin | |
| # Initiate the socket connection in the background. If it doesn't fail | |
| # immediatelyit will raise an IO::WaitWritable (Errno::EINPROGRESS) |
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| # sudo touch /etc/ppp/ip-up | |
| # sudo chmod 755 /etc/ppp/ip-up | |
| # File content: | |
| #!/bin/sh | |
| # https://git.sysalex.com/snippets/7 | |
| # https://zaborona.help/ips.txt |
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| def port_open?(host, port, timeout = 5) | |
| addr = Socket.getaddrinfo(host, nil) | |
| sockaddr = Socket.pack_sockaddr_in(port, addr[0][3]) | |
| Socket.new(Socket.const_get(addr[0][0]), Socket::SOCK_STREAM, 0).tap do |socket| | |
| socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1) | |
| begin | |
| # Initiate the socket connection in the background. If it doesn't fail | |
| # immediatelyit will raise an IO::WaitWritable (Errno::EINPROGRESS) |
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