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feature/ss-instead-of-netstat #2

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manuel merged 8 commits from feature/ss-instead-of-netstat into master 2020-09-18 14:24:42 +02:00
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ddos-mitigator.sh
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@ -471,9 +471,9 @@ banned="$(exec_as_root fail2ban-client get "${jail}" banip)"
connections=$(ss -HOn state established "( sport = :${port} )" | tr -s '[:blank:]' | cut -d' ' -f5) connections=$(ss -HOn state established "( sport = :${port} )" | tr -s '[:blank:]' | cut -d' ' -f5)
# IPv6-mapped-IPv4: [::ffff:192.168.0.1]:443 # IPv6-mapped-IPv4: [::ffff:192.168.0.1]:443
echo "${connections}" | grep '^\[::ffff:' - | cut -d: -f4 | cut -d] -f1 > "${fileraw}" echo "${connections}" | grep '^\[::ffff:' - | cut -d: -f4 | cut -d] -f1 | grep -v '^$' > "${fileraw}"
# Pure IPv4: 192.168.0.1:443 # Pure IPv4: 192.168.0.1:443
echo "${connections}" | grep -v '^\[' - | cut -d: -f1 >> "${fileraw}" echo "${connections}" | grep -v '^\[' - | cut -d: -f1 | grep -v '^$' >> "${fileraw}"
# Group and sort the data into the subnet-specific files. # Group and sort the data into the subnet-specific files.
sort "${fileraw}" > "${file32}" sort "${fileraw}" > "${file32}"