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alert icmp any any -> $HOME_NET any (msg: “ICMP traffic detected”; sid: 10001)£ºµ±¼ì²âµ½ICMPÁ÷Á¿Ê±£¬Êä³öÒ»¸ö¾¯±¨£¬²¢½«ÆäÓëSID 10001¹ØÁª¡£

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sudo snort -T -c /etc/snort/snort.conf

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sudo wget https://www.snort.org/downloads/community/community-rules.tar.gz
sudo tar -xvf community-rules.tar.gz -C /etc/snort/rules/

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include $RULE_PATH /community.rules

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sudo systemctl restart snort

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sudo wget https://www.snort.org/rules/snortrules-snapshot-XXXXX.tar.gz -O snortrules-snapshot.tar.gz
sudo tar -xvf snortrules-snapshot.tar.gz -C /etc/snort/rules/

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