68 lines
1.2 KiB
Bash
68 lines
1.2 KiB
Bash
#!/bin/sh
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OS=`uname`
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NETSTAT=/bin/netstat
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SS=/usr/sbin/ss
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if [ "$OS" = "FreeBSD" ]; then
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NETSTAT=/usr/bin/netstat
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fi
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freebsd_netstat()
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{
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${NETSTAT} -n -p tcp
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${NETSTAT} -n -p udp
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}
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netstat_out()
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{
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if [ "$OS" = "FreeBSD" ]; then
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freebsd_netstat | grep -v Address | grep -v Active | grep -v '*.*' | awk '{print $5}' | sed 's/\(.*\)\..*/\1/'
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else
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${NETSTAT} -ntu | grep -v Address | grep -v Active | grep -v '*.*' | awk '{print $5}' | sed 's/\(.*\):.*/\1/'
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fi
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}
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show_ip_info()
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{
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I=$1
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echo ""
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echo "Connection info for '${I}':"
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if [ "$OS" = "FreeBSD" ]; then
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freebsd_netstat | grep $I
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else
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${NETSTAT} -ntu | grep $I
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fi
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}
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if [ -x ${NETSTAT} ]; then
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echo "Connection counts:"
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netstat_out | sort | uniq -c | sort -n | tail -n 100
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echo ""
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#now take the IP with top connection count and get more info.
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C_IP=`netstat_out | sort | uniq -c | sort -n | tail -n 1`
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C=`echo "$C_IP" | awk '{print $1}'`
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IP=`echo "$C_IP" | awk '{print $2}'`
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echo "IP '$IP' currently has '$C' connections"
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show_ip_info $IP
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fi
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if [ -x ${SS} ]; then
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echo ""
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echo "$SS output:"
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$SS -n
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fi
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CIP=/usr/local/directadmin/scripts/custom/connection_info_post.sh
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if [ -x ${CIP} ]; then
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${CIP}
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fi
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exit 0;
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