-
-
Save sumitdhameja/488da54e89d8ed0881fd to your computer and use it in GitHub Desktop.
network monitoring shell script
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
COUNT=10 | |
while : | |
do | |
if [ $COUNT = 10 ] | |
then | |
printf "+--------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+ \n" | |
printf "| TIME |ESTAB|LISTN|T_WAT|CLOSD|S_SEN|S_REC|C_WAT|F_WT1|F_WT2|CLOSI|L_ACK| \n" | |
printf "+--------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+ \n" | |
COUNT=0 | |
fi | |
COUNT=`expr $COUNT + 1` | |
TIME=`/bin/date +%H:%M:%S` | |
printf "|%s" ${TIME} | |
netstat -an | \ | |
awk 'BEGIN { | |
CLOSED = 0; | |
LISTEN = 0; | |
SYN_SENT = 0; | |
SYN_RECEIVED = 0; | |
ESTABLISHED = 0; | |
CLOSE_WAIT = 0; | |
FIN_WAIT_1 = 0; | |
FIN_WAIT_2 = 0; | |
CLOSING = 0; | |
LAST_ACK = 0; | |
TIME_WAIT = 0; | |
OTHER = 0; | |
} | |
$6 ~ /^CLOSED$/ { CLOSED++; } | |
$6 ~ /^CLOSE_WAIT$/ { CLOSE_WAIT++; } | |
$6 ~ /^CLOSING$/ { CLOSING++; } | |
$6 ~ /^ESTABLISHED$/ { ESTABLISHED++; } | |
$6 ~ /^FIN_WAIT1$/ { FIN_WAIT_1++; } | |
$6 ~ /^FIN_WAIT2$/ { FIN_WAIT_2++; } | |
$6 ~ /^LISTEN$/ { LISTEN++; } | |
$6 ~ /^LAST_ACK$/ { LAST_ACK++; } | |
$6 ~ /^SYN_SENT$/ { SYN_SENT++; } | |
$6 ~ /^SYN_RCVD$/ { SYN_RECEIVED++; } | |
$6 ~ /^TIME_WAIT$/ { TIME_WAIT++; } | |
END { | |
printf "| %4d| %4d| %4d| %4d| %4d| %4d| %4d| %4d| %4d| %4d| %4d|\n",ESTABLISHED,LISTEN,TIME_WAIT,CLOSED,SYN_SENT,SYN_RECEIVED,CLOSE_WAIT,FIN_WAIT_1,FIN_WAIT_2,CLOSING,LAST_ACK; | |
}' | |
sleep 2 | |
done |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment