netstat -s

[ec2-user@ip-172-31-21-122 php.d]$ netstat -s
Ip:
    4824840 total packets received
    9 with invalid addresses
    0 forwarded
    0 incoming packets discarded
    4824831 incoming packets delivered
    4516137 requests sent out
Icmp:
    738 ICMP messages received
    28 input ICMP message failed.
    ICMP input histogram:
        destination unreachable: 738
    736 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        destination unreachable: 736
IcmpMsg:
        InType3: 738
        OutType3: 736
Tcp:
    87878 active connections openings
    39885 passive connection openings
    16616 failed connection attempts
    493 connection resets received
    216 connections established
    4789321 segments received
    5325131 segments send out
    763 segments retransmited
    58 bad segments received.
    17529 resets sent
    InCsumErrors: 1
Udp:
    34110 packets received
    662 packets to unknown port received.
    0 packet receive errors
    34823 packets sent
UdpLite:
TcpExt:
    14 resets received for embryonic SYN_RECV sockets
    70614 TCP sockets finished time wait in fast timer
    36105 delayed acks sent
    17 delayed acks further delayed because of locked socket
    Quick ack mode was activated 1175 times
    1038 packets directly queued to recvmsg prequeue.
    6953 packets directly received from backlog
    671789 packets directly received from prequeue
    3443543 packets header predicted
    478 packets header predicted and directly queued to user
    423940 acknowledgments not containing data received
    1327579 predicted acknowledgments
    1 times recovered from packet loss due to fast retransmit
    48 times recovered from packet loss due to SACK data
    Detected reordering 1 times using reno fast retransmit
    TCPDSACKUndo: 1
    82 congestion windows recovered after partial ack
    1 timeouts after reno fast retransmit
    4 timeouts in loss state
    122 fast retransmits
    2 forward retransmits
    19 retransmits in slow start
    205 other TCP timeouts
    TCPLossProbes: 110
    TCPLossProbeRecovery: 14
    TCPRenoRecoveryFail: 1
    1 sack retransmits failed
    1171 DSACKs sent for old packets
    63 DSACKs received
    159 connections reset due to unexpected data
    242 connections reset due to early user close
    1 connections aborted due to timeout
    TCPDSACKIgnoredNoUndo: 54
    TCPSackShifted: 672
    TCPSackMerged: 684
    TCPSackShiftFallback: 219
    TCPRcvCoalesce: 264444
    TCPOFOQueue: 38086
    TCPChallengeACK: 134
    TCPSYNChallenge: 133
    TCPSpuriousRtxHostQueues: 31
    TCPAutoCorking: 26616
    TCPWantZeroWindowAdv: 17
    TCPSynRetrans: 482
    TCPOrigDataSent: 2862317
    TCPHystartTrainDetect: 1951
    TCPHystartTrainCwnd: 41444
    TCPHystartDelayDetect: 3
    TCPHystartDelayCwnd: 362
IpExt:
    InOctets: 53729441833
    OutOctets: 4089358267
    InNoECTPkts: 8964949
    InECT0Pkts: 32