IP地址0.0.0.0表示什麼

今天遇到這樣的問題，0.0.0.0表明什麼？web 參考RFC文檔： 0.0.0.0/8 - Addresses in this block refer to source hosts on 「this」 network. Address 0.0.0.0/32 may be used as a source address for this host on this network; other

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