Is it safe to publicly tell the IP of my proxy?

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http://serverfault.com – I'm working behind a proxy and I save my code using github.com . My snippets of java code contain some system parameters to tell java about our proxy: System.setProperty("http.proxyHost", "xxxxxxxxx"); System.setProperty("http.proxyPort", "1234"); aside from specifying those parameters on the command line or storing them in a config file, is it safe to publish this IP on a public server ? Could a hacker use it to attack my server ? (HowTos)