Created
August 21, 2019 11:02
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A quick way to find out if a given port is open with Crystal.
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| require "socket" | |
| def is_port_open?(ip : String, port : Int32, timeout = 5) | |
| s = TCPSocket.new(ip, port, dns_timeout: timeout, connect_timeout: timeout) | |
| s.close | |
| true | |
| rescue IO::Timeout | |
| false | |
| end |
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