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This article is about how to check tcp connections under linux. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

1 check the number and status of links on the web server:

Netstat-ant | awk'{print $5 "\ t" $6}'| grep ":: ffff:" | sed-e's pedigree _ hand _

Results:

122 125.162.71.199 TIME_WAIT

99 79.119.125.43 TIME_WAIT

81 125.167.243.77 TIME_WAIT

75 110.137.106.75 TIME_WAIT

29 118.97.140.166 TIME_WAIT

29 115.192.138.175 TIME_WAIT

23 70.231.252.244 TIME_WAIT

22 114.58.168.27 TIME_WAIT

17 219.95.10.58 TIME_WAIT

15 125.160.90.214 TIME_WAIT

Check the number and status of all tcp connections

Netstat-ant | awk'{print $5 "\ t" $6}'| grep "[1-9] [0-9] *\." | sed-e's peg-e's peg-e-lash: [0-9] * / /'| sort | uniq-c | sort-nr | head-10

Results:

143 79.119.125.43 TIME_WAIT

97 110.137.106.75 TIME_WAIT

54 125.162.71.199 TIME_WAIT

52 121.120.140.19 TIME_WAIT

31 114.79.21.172 TIME_WAIT

23 118.97.140.166 TIME_WAIT

19 70.231.252.244 TIME_WAIT

19 114.58.168.27 TIME_WAIT

18 219.95.10.58 TIME_WAIT

13 115.192.138.175 TIME_WAIT

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