feat: 增加SNMP测试环境

TestDocker/SNMP/Dockerfile

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+FROM ubuntu:20.04
+
+# 安装SNMP服务
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y snmpd && \
+    rm -rf /var/lib/apt/lists/*
+
+# 备份原配置
+RUN cp /etc/snmp/snmpd.conf /etc/snmp/snmpd.conf.orig
+
+# 创建新的配置文件
+RUN echo "rocommunity public default" > /etc/snmp/snmpd.conf && \
+    echo "rocommunity private default" >> /etc/snmp/snmpd.conf && \
+    echo "rocommunity cisco default" >> /etc/snmp/snmpd.conf && \
+    echo "rocommunity community default" >> /etc/snmp/snmpd.conf && \
+    # 允许从任何地址访问
+    echo "agentAddress udp:161,udp6:[::1]:161" >> /etc/snmp/snmpd.conf
+
+# 开放SNMP端口
+EXPOSE 161/udp
+
+# 启动SNMP服务
+CMD ["snmpd", "-f", "-Lo", "-C", "-c", "/etc/snmp/snmpd.conf"]

TestDocker/SNMP/README.txt

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+docker build -t snmp-weak .
+docker run -d --name snmp-test -p 161:161/udp snmp-weak