免費 TCP/IP 封包擷取工具 – SmartSniff，某個程式執行時會開啟哪些本機/遠端連接埠，會連線到遠端的哪些 IP，用這個簡易的小工具監控一下就知道。（阿榮）（下載）
阿榮評語：
[2010.07.18] 1.63 版被小紅傘誤判為病毒，暫不更新。
SmartSniff allows you to capture TCP/IP packets that pass through your network adapter, and view the captured data as sequence of conversations between clients and servers. You can view the TCP/IP conversations in Ascii mode (for text-based protocols, like HTTP, SMTP, POP3 and FTP.) or as hex dump. (for non-text base protocols, like DNS)
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Source: azofreeware.com