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ElijahLynn/monitor-number-tcp-connection-states.sh

Last active January 20, 2024 22:49
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Monitor the number of all TCP connection states
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monitor-number-tcp-connection-states.sh
watch -n 1 "netstat -an | awk '/^tcp/ { ++S[\$NF] } END { for(a in S) print a, S[a] }'"
# Every 1.0s: netstat -an | awk '/^tcp/ { ++S[$NF] } END { for(a in S) print a, S[a] }'
# LISTEN 7
# FIN_WAIT_2 1
# CLOSE_WAIT 1
# CLOSED 33
# TIME_WAIT 1
# ESTABLISHED 63
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