The oil seller was not surprised. Kang Sugong asked, "Do you know archery? Don't I shoot well?" The old man said, "Nothing special, it's just practice makes perfect." After hearing this, Kang Sugong changed his face and said angrily, "Why do you despise my archery ability??" The old man said, "I can understand this truth from my experience in pouring oil." So the old man took a gourd and put it on the ground, covered it with copper coins, and slowly injected the oil into the gourd with a ladle. The oil was injected from the square hole of the copper coins without touching a drop. The old man said lightly, "I have no special secret either, but practice makes perfect." After hearing this, Chen Yaozi had to send the old man away with a smile.
Well, the concept of IPTables is summarized here for the time being. After understanding the concept, it is absolutely appropriate to practice it in combination with actual commands.
刘黑皮点头道：去吧。
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