问题：
[问答题]25.如果/etc/hosts.allow文件为空，那么/etc/hosts.deny文件中的什么条目可以禁止对所有使用TCPWrappers库的服务进行访问，但IP地址为192.168.122.130的系统除外?
Tags：计算机Linux认证模拟试题
答案解析：
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