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小編給大家分享一下Linux常用命令netstat怎么用，希望大家閱讀完這篇文章之后都有所收獲，下面讓我們一起去探討吧！
netstat [-acCeFghilMnNoprstuvVwx][-A][--ip]
參數說明：
-a或–all 顯示所有連線中的Socket。
-A或– 列出該網絡類型連線中的相關地址。
-c或–continuous 持續列出網絡狀態。
-C或–cache 顯示路由器配置的快取信息。
-e或–extend 顯示網絡其他相關信息。
-F或–fib 顯示路由緩存。
-g或–groups 顯示多重廣播功能群組組員名單。
-h或–help 在線幫助。
-i或–interfaces 顯示網絡界面信息表單。
-l或–listening 顯示監控中的服務器的Socket。
-M或–masquerade 顯示偽裝的網絡連線。
-n或–numeric 直接使用IP地址，而不通過域名服務器。
-N或–netlink或–symbolic 顯示網絡硬件外圍設備的符號連接名稱。
-o或–timers 顯示計時器。
-p或–programs 顯示正在使用Socket的程序識別碼和程序名稱。
-r或–route 顯示Routing Table。
-s或–statistics 顯示網絡工作信息統計表。
-t或–tcp 顯示TCP傳輸協議的連線狀況。
-u或–udp 顯示UDP傳輸協議的連線狀況。
-v或–verbose 顯示指令執行過程。
-V或–version 顯示版本信息。
-w或–raw 顯示RAW傳輸協議的連線狀況。
-x或–unix 此參數的效果和指定”-A unix”參數相同。
–ip或–inet 此參數的效果和指定”-A inet”參數相同。
顯示詳細的網絡狀況
# netstat -a
顯示當前戶籍UDP連接狀況
# netstat -nu
顯示UDP端口號的使用情況
# netstat -apu Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name udp 0 0 *:32768 *:* - udp 0 0 *:nfs *:* - udp 0 0 *:641 *:* 3006/rpc.statd udp 0 0 192.168.0.3:netbios-ns *:* 3537/nmbd udp 0 0 *:netbios-ns *:* 3537/nmbd udp 0 0 192.168.0.3:netbios-dgm *:* 3537/nmbd udp 0 0 *:netbios-dgm *:* 3537/nmbd udp 0 0 *:tftp *:* 3346/xinetd udp 0 0 *:999 *:* 3366/rpc.rquotad udp 0 0 *:sunrpc *:* 2986/portmap udp 0 0 *:ipp *:* 6938/cupsd udp 0 0 *:1022 *:* 3392/rpc.mountd udp 0 0 *:638 *:* 3006/rpc.statd
顯示網卡列表
# netstat -i Kernel Interface table Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg eth0 1500 0 181864 0 0 0 141278 0 0 0 BMRU lo 16436 0 3362 0 0 0 3362 0 0 0 LRU
顯示組播組的關系
# netstat -g IPv6/IPv4 Group Memberships Interface RefCnt Group --------------- ------ --------------------- lo 1 ALL-SYSTEMS.MCAST.NET eth0 1 ALL-SYSTEMS.MCAST.NET lo 1 ff02::1 eth0 1 ff02::1:ff0a:b0c eth0 1 ff02::1
顯示網絡統計信息
# netstat -s Ip: 184695 total packets received 0 forwarded 0 incoming packets discarded 184687 incoming packets delivered 143917 requests sent out 32 outgoing packets dropped 30 dropped because of missing route Icmp: 676 ICMP messages received 5 input ICMP message failed. ICMP input histogram: destination unreachable: 44 echo requests: 287 echo replies: 345 304 ICMP messages sent 0 ICMP messages failed ICMP output histogram: destination unreachable: 17 echo replies: 287 Tcp: 473 active connections openings 28 passive connection openings 4 failed connection attempts 11 connection resets received 1 connections established 178253 segments received 137936 segments send out 29 segments retransmited 0 bad segments received. 336 resets sent Udp: 5714 packets received 8 packets to unknown port received. 0 packet receive errors 5419 packets sent TcpExt: 1 resets received for embryonic SYN_RECV sockets ArpFilter: 0 12 TCP sockets finished time wait in fast timer 572 delayed acks sent 3 delayed acks further delayed because of locked socket 13766 packets directly queued to recvmsg prequeue. 1101482 packets directly received from backlog 19599861 packets directly received from prequeue 46860 packets header predicted 14541 packets header predicted and directly queued to user TCPPureAcks: 12259 TCPHPAcks: 9119 TCPRenoRecovery: 0 TCPSackRecovery: 0 TCPSACKReneging: 0 TCPFACKReorder: 0 TCPSACKReorder: 0 TCPRenoReorder: 0 TCPTSReorder: 0 TCPFullUndo: 0 TCPPartialUndo: 0 TCPDSACKUndo: 0 TCPLossUndo: 0 TCPLoss: 0 TCPLostRetransmit: 0 TCPRenoFailures: 0 TCPSackFailures: 0 TCPLossFailures: 0 TCPFastRetrans: 0 TCPForwardRetrans: 0 TCPSlowStartRetrans: 0 TCPTimeouts: 29 TCPRenoRecoveryFail: 0 TCPSackRecoveryFail: 0 TCPSchedulerFailed: 0 TCPRcvCollapsed: 0 TCPDSACKOldSent: 0 TCPDSACKOfoSent: 0 TCPDSACKRecv: 0 TCPDSACKOfoRecv: 0 TCPAbortOnSyn: 0 TCPAbortOnData: 1 TCPAbortOnClose: 0 TCPAbortOnMemory: 0 TCPAbortOnTimeout: 3 TCPAbortOnLinger: 0 TCPAbortFailed: 3 TCPMemoryPressures: 0
顯示監聽的套接口
# netstat -l Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 *:32769 *:* LISTEN tcp 0 0 *:nfs *:* LISTEN tcp 0 0 *:644 *:* LISTEN tcp 0 0 *:1002 *:* LISTEN tcp 0 0 *:netbios-ssn *:* LISTEN tcp 0 0 *:sunrpc *:* LISTEN tcp 0 0 vm-dev:ipp *:* LISTEN tcp 0 0 *:telnet *:* LISTEN tcp 0 0 *:601 *:* LISTEN tcp 0 0 *:microsoft-ds *:* LISTEN tcp 0 0 *:http *:* LISTEN tcp 0 0 *:ssh *:* LISTEN tcp 0 0 *:https *:* LISTEN udp 0 0 *:32768 *:* udp 0 0 *:nfs *:* udp 0 0 *:641 *:* udp 0 0 192.168.0.3:netbios-ns *:* udp 0 0 *:netbios-ns *:* udp 0 0 192.168.0.3:netbios-dgm *:* udp 0 0 *:netbios-dgm *:* udp 0 0 *:tftp *:* udp 0 0 *:999 *:* udp 0 0 *:sunrpc *:* udp 0 0 *:ipp *:* udp 0 0 *:1022 *:* udp 0 0 *:638 *:* Active UNIX domain sockets (only servers) Proto RefCnt Flags Type State I-Node Path unix 2 [ ACC ] STREAM LISTENING 10621 @/tmp/fam-root- unix 2 [ ACC ] STREAM LISTENING 7096 /var/run/acpid.socket unix 2 [ ACC ] STREAM LISTENING 9792 /tmp/.gdm_socket unix 2 [ ACC ] STREAM LISTENING 9927 /tmp/.X11-unix/X0 unix 2 [ ACC ] STREAM LISTENING 10489 /tmp/ssh-lbUnUf4552/agent.4552 unix 2 [ ACC ] STREAM LISTENING 10558 /tmp/ksocket-root/kdeinit__0 unix 2 [ ACC ] STREAM LISTENING 10560 /tmp/ksocket-root/kdeinit-:0 unix 2 [ ACC ] STREAM LISTENING 10570 /tmp/.ICE-unix/dcop4664-1270815442 unix 2 [ ACC ] STREAM LISTENING 10843 /tmp/.ICE-unix/4735 unix 2 [ ACC ] STREAM LISTENING 10591 /tmp/ksocket-root/klauncherah4arc.slave-socket unix 2 [ ACC ] STREAM LISTENING 7763 /var/run/iiim/.iiimp-unix/9010 unix 2 [ ACC ] STREAM LISTENING 11047 /tmp/orbit-root/linc-1291-0-1e92c8082411 unix 2 [ ACC ] STREAM LISTENING 11053 /tmp/orbit-root/linc-128e-0-dc070659cbb3 unix 2 [ ACC ] STREAM LISTENING 8020 /var/run/dbus/system_bus_socket unix 2 [ ACC ] STREAM LISTENING 58927 /tmp/mcop-root/vm-dev-2c28-4beba75f unix 2 [ ACC ] STREAM LISTENING 7860 /tmp/.font-unix/fs7100 unix 2 [ ACC ] STREAM LISTENING 7658 /dev/gpmctl unix 2 [ ACC ] STREAM LISTENING 10498 @/tmp/dbus-s2MLJGO5Ci
看完了這篇文章，相信你對“Linux常用命令netstat怎么用”有了一定的了解，如果想了解更多相關知識，歡迎關注億速云行業資訊頻道，感謝各位的閱讀！
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