how to view network traffic

1. View TCP connection StatusNetstat-nat |awk ' {print $6} ' |sort|uniq-c|sort-rnNetstat-n | awk '/^tcp/{++s[$NF]}; END {for (a in S) print A, s[a]} 'Netstat-n | awk '/^tcp/{++state[$NF]}; END {for (key in) print key, "T", State[key]} 'Netstat-n | awk '/^tcp/{++arr[$NF]}; END {for (k in arr) print K, "T", arr[k]} 'Netstat-n |awk '/^tcp/{print $NF} ' |sort|uniq-c|sort-rnNetstat-ant | awk ' {print $NF} ' | Grep-v ' [A-z] | Sort | Uniq-cNetstat-ant|awk '

IfstatIntroducedIfstat tool is a network interface monitoring tool, relatively simple to see network trafficInstanceDefault usage#ifstat eth0 eth1 kb/s in kb/s out kb/s in kb/s out 0.07 0.20 0.00 0.00 0.07 0.15 0.58 0.00The default ifstat does not monitor the loopback interface, and the displayed traffic U

Recently, the company's traffic suddenly increased, after inquiring about the room, a total of two server traffic is relatively large. One is the resources to provide download upload (normal), there is a club, Member login Center traffic is very large (not normal). All install a iftop tool to see the network card, as w

"External network port traffic is zero After the increase in broadband, the administrator in the running process found that every day when the router outside the network traffic exceeded 50MBPS/S, the port will appear "receive Errors", traffic is very large error, a lot of

After your server is hosted and shelved in the data center, it will officially provide external services for 7x24 hours. The incoming and outgoing data packets in the server have a certain amount of traffic, and the data center will also monitor and control the traffic on your server. When traffic on your server is abnormal, they will immediately control the traf

Network traffic monitoring tools have a lot of, such as: MRTG, Cacti, Zabbix and so on, they have their own characteristics, different focus, only for different application scenarios for a variety of special needs. In addition to network traffic monitoring tools, there are nagios such a monitoring host State tools, not

192.168.0.55-192.168.0.155 TCP xmcp > HTTPS [SYN] seq=0 win=8192 len=0 mss=1460 ws=4 sack_perm=115.902774 192.168.0.155, 192.168.0.55 TCP, HTTPS > XMCP [SYN, ACK] seq=0 ack=1 win=5840 len=0 mss=1460 sack_perm =1 ws=6415.902887 192.168.0.55-192.168.0.155 TCP xmcp > HTTPS [RST] seq=1 win=0 len=015.909868 192.168.0.55-192.168.0.155 TCP 4789 > HTTPS [SYN] seq=0 win=8192 len=0 mss=1460 ws=4 sack_perm=115.909912 192.168.0.155, 192.168.0.55 TCP, HTTPS > 4789 [SYN, ACK] seq=0 ack=1 win=5840 len=0 mss=1

features related to TCP chimney offload available on the network card. to access these options, choose the Configure button on the General Tab Of The adapters properties. this will bring up a window similar to what is displayed below. the Advanced tab is where the changes will be made. The retriable options available vary depending on how the vendor implements the driver for Windows. using network