.. _ddos_l4_tcp: ddos l4-tcp =========== l4 tcp counters l4-tcp Specification -------------------- ===================================== ==================================================== ===================================== ==================================================== **Type** *Configuration Resource* **Element Name** l4-tcp **Element URI** /axapi/v3/ddos/l4-tcp **Element Attributes** l4-tcp_attributes **Statistics Data URI** /axapi/v3/ddos/l4-tcp/stats **Schema** :download:`l4-tcp schema ` ===================================== ==================================================== **Operations Allowed:** .. raw:: html .. raw:: html .. raw:: html .. raw:: html .. raw:: html .. raw:: html .. raw:: html .. raw:: html
OperationMethodURIPayload
Create Object .. raw:: html POST .. raw:: html /axapi/v3/ddos/l4-tcp .. raw:: html :ref:`6_l4-tcp_attributes` .. raw:: html
Get Object .. raw:: html GET .. raw:: html /axapi/v3/ddos/l4-tcp .. raw:: html :ref:`6_l4-tcp_attributes` .. raw:: html
Modify Object .. raw:: html POST .. raw:: html /axapi/v3/ddos/l4-tcp .. raw:: html :ref:`6_l4-tcp_attributes` .. raw:: html
Replace Object .. raw:: html PUT .. raw:: html /axapi/v3/ddos/l4-tcp .. raw:: html :ref:`6_l4-tcp_attributes` .. raw:: html
Delete Object .. raw:: html DELETE .. raw:: html /axapi/v3/ddos/l4-tcp .. raw:: html :ref:`6_l4-tcp_attributes` .. raw:: html
.. _6_l4-tcp_attributes: l4-tcp attributes ----------------- **sampling-enable** **Type:** List **uuid** **Description** uuid of the object **Type:** string **Maximum Length:** 64 characters **Maximum Length:** 1 characters .. _6_sampling-enable: sampling-enable ^^^^^^^^^^^^^^^ =============================== =================================================== **Specification** =============================== =================================================== **Type** *list* **Block object keys** =============================== =================================================== **counters1** **Description** 'all': all; 'tcp_sess_create': TCP Sessions Created; 'intcp': TCP Total Packets Received; 'tcp_syn_rcvd': TCP SYN Received; 'tcp_invalid_syn_rcvd': TCP Invalid SYN Received; 'tcp_syn_ack_rcvd': TCP SYN ACK Received; 'tcp_ack_rcvd': TCP ACK Received; 'tcp_fin_rcvd': TCP FIN Received; 'tcp_rst_rcvd': TCP RST Received; 'tcp_outrst': TCP Outbound RST; 'tcp_reset_client': TCP Reset Client; 'tcp_reset_server': TCP Reset Server; 'tcp_syn_rate': TCP SYN Rate Per Sec; 'tcp_total_drop': TCP Total Packets Dropped; 'tcp_dst_drop': TCP Dst Packets Dropped; 'tcp_exceed_drop_any_dst': TCP Dst Exceed Drop (deprecated); 'tcp_exceed_drop_prate_dst': TCP Dst Packet Rate Drop (deprecated); 'tcp_exceed_drop_crate_dst': TCP Dst Connection Rate Drop (deprecated); 'tcp_exceed_drop_climit_dst': TCP Dst Connection Limit Drop (deprecated); 'tcp_drop_black_dst': TCP Dst Blacklist Drop (deprecated); 'tcp_src_drop': TCP Src Packets Dropped; 'tcp_exceed_drop_any_src': TCP Src Exceed Drop (deprecated); 'tcp_exceed_drop_prate_src': TCP Src Packet Rate Drop (deprecated); 'tcp_exceed_drop_crate_src': TCP Src Connection Rate Drop (deprecated); 'tcp_exceed_drop_climit_src': TCP Src Connection Limit Drop (deprecated); 'tcp_drop_black_src': TCP Src Blacklist Drop (deprecated); 'tcp_drop_black_user_cfg_src': TCP Src Blacklist User Packets Dropped; 'tcp_src_dst_drop': TCP SrcDst Packets Dropped; 'tcp_exceed_drop_any_src_dst': TCP SrcDst Exceed Drop (deprecated); 'tcp_exceed_drop_prate_src_dst': TCP SrcDst Packet Rate Drop (deprecated); 'tcp_exceed_drop_crate_src_dst': TCP SrcDst Connection Rate Drop (deprecated); 'tcp_exceed_drop_climit_src_dst': TCP SrcDst Connection Limit Drop (deprecated); 'tcp_drop_black_src_dst': TCP SrcDst Blacklist Drop (deprecated); 'tcp_drop_black_user_cfg_src_dst': TCP SrcDst Blacklist User Packets Dropped; 'tcp_port_zero_drop': TCP Port 0 Packets Dropped; 'tcp_syncookie_sent': TCP SYN Cookie Sent; 'tcp_syncookie_sent_fail': TCP SYN Cookie Send Failed; 'tcp_syncookie_check_fail': TCP SYN Cookie Check Failed; 'tcp_syncookie_hw_missing': TCP SYN Cookie HW Missed; 'tcp_syncookie_fail_bl': TCP SYN Cookie Blacklist Failed; 'tcp_syncookie_pass': TCP SYN Cookie Passed; 'syn_auth_pass': TCP SYN Auth Passed; 'syn_auth_skip': TCP SYN Auth Skipped; 'tcp_over_limit_syn_auth_dst': TCP Dst Over Limit Authentication (deprecated); 'tcp_over_limit_syn_cookie_dst': TCP Dst Over Limit Cookie (deprecated); 'tcp_over_limit_syn_auth_dst_port': TCP Dst Port Over Limit Authentication (deprecated); 'tcp_over_limit_syn_cookie_dst_port': TCP Dst Port Over Limit Cookie (deprecated); 'tcp_action_on_ack_start': TCP ACK Retry Init; 'tcp_action_on_ack_matched': TCP ACK Retry Matched; 'tcp_action_on_ack_passed': TCP ACK Retry Passed; 'tcp_action_on_ack_failed': TCP ACK Retry Dropped; 'tcp_action_on_ack_timeout': TCP ACK Retry Timeout; 'tcp_action_on_ack_reset': TCP ACK Retry Timeout Reset; 'tcp_ack_no_syn': TCP ACK No SYN; 'tcp_out_of_seq': TCP Out-Of-Seq Total; 'tcp_zero_window': TCP Zero-Window Total; 'tcp_retransmit': TCP Retransmit Total; 'tcp_rexmit_syn_limit_drop': TCP Retransmit SYN Exceed Dropped; 'tcp_zero_window_bl': TCP Zero-Window Blacklisted; 'tcp_out_of_seq_bl': TCP Out-Of-Seq Blacklisted; 'tcp_retransmit_bl': TCP Retransmit Blacklisted; 'tcp_rexmit_syn_limit_bl': TCP Retransmit SYN Exceed Blacklisted; 'tcp_per_conn_prate_exceed': TCP Conn Pkt Rate Dropped; 'tcp_action_on_ack_gap_drop': TCP ACK Retry Retry-Gap Dropped; 'tcp_action_on_ack_gap_pass': TCP ACK Retry Retry-Gap Passed; 'tcp_new_conn_ack_retry_gap_start': TCP New-Connection-Ack-Retry-Gap Initialize (deprecated); 'tcp_new_conn_ack_retry_gap_passed': TCP New-Connection-Ack-Retry-Gap Pass (deprecated); 'tcp_new_conn_ack_retry_gap_failed': TCP New-Connection-Ack-Retry-Gap Fail (deprecated); 'tcp_new_conn_ack_retry_gap_timeout': TCP New-Connection-Ack-Retry-Gap Timeout (deprecated); 'tcp_new_conn_ack_retry_gap_reset': TCP New-Connection-Ack-Retry-Gap Reset (deprecated); 'tcp_new_conn_ack_retry_gap_drop': TCP New-Connection-Ack-Retry-Gap Drop (deprecated); 'tcp_action_on_syn_start': TCP SYN Retry Init; 'tcp_action_on_syn_passed': TCP SYN Retry Passed; 'tcp_action_on_syn_failed': TCP SYN Retry Dropped; 'tcp_action_on_syn_timeout': TCP SYN Retry Timeout; 'tcp_action_on_syn_reset': TCP SYN Retry Timeout Reset; 'tcp_action_on_syn_gap_drop': TCP SYN Retry Retry-Gap Dropped; 'tcp_action_on_syn_gap_pass': TCP SYN Retry Retry-Gap Passed; 'tcp_unauth_rst_drop': TCP Unauth RST Dropped; 'dst_tcp_filter_match': Dst Filter Match; 'dst_tcp_filter_not_match': Dst Filter No Match; 'dst_tcp_filter_action_blacklist': Dst Filter Action Blacklist; 'dst_tcp_filter_action_drop': Dst Filter Action Drop; 'dst_tcp_filter_action_default_pass': Dst Filter Action Default Pass; 'tcp_over_limit_syn_auth_src': TCP Src Over Limit Authentication (deprecated); 'tcp_over_limit_syn_auth_src_dst': TCP SrcDst Over Limit Authentication (deprecated); 'tcp_over_limit_syn_cookie_src': TCP Src Over Limit Cookie (deprecated); 'tcp_over_limit_syn_cookie_src_dst': TCP SrcDst Over Limit Cookie (deprecated); 'tcp_exceed_drop_brate_dst': TCP Dst KiBit Rate Drop (KiBit) (deprecated); 'tcp_exceed_drop_brate_src': TCP Src KiBit Rate Drop (KiBit) (deprecated); 'tcp_exceed_drop_brate_src_dst': TCP SrcDst KiBit Rate Drop (KiBit) (deprecated); 'tcp_concurrent': TCP Concurrent Port Access; 'dst_tcp_filter_action_whitelist': Dst Filter Action WL; 'src_tcp_filter_match': Src Filter Match; 'src_tcp_filter_not_match': Src Filter No Match; 'src_tcp_filter_action_blacklist': Src Filter Action Blacklist; 'src_tcp_filter_action_drop': Src Filter Action Drop; 'src_tcp_filter_action_default_pass': Src Filter Action Default Pass; 'src_tcp_filter_action_whitelist': Src Filter Action WL; 'src_dst_tcp_filter_match': SrcDst Filter Match; 'src_dst_tcp_filter_not_match': SrcDst Filter No Match; 'src_dst_tcp_filter_action_blacklist': SrcDst Filter Action Blacklist; 'src_dst_tcp_filter_action_drop': SrcDst Filter Action Drop; 'src_dst_tcp_filter_action_default_pass': SrcDst Filter Action Default Pass; 'src_dst_tcp_filter_action_whitelist': SrcDst Filter Action WL; 'syn_auth_pass_wl': TCP SYN Auth Pass WL; 'tcp_out_of_seq_drop': TCP Out-Of-Seq Dropped; 'tcp_zero_window_drop': TCP Zero-Window Dropped; 'tcp_retransmit_drop': TCP Retransmit Dropped; 'tcp_per_conn_prate_exceed_bl': TCP Conn Pkt Rate Blacklisted; 'tcp_any_exceed': TCP Exceeded; 'tcp_drop_bl': TCP Blacklist Packets Dropped; 'tcp_frag_rcvd': TCP Fragmented Packets Received; 'tcp_frag_drop': TCP Fragmented Packets Dropped; 'tcp_auth_drop': TCP Auth Dropped; 'tcp_auth_resp': TCP Auth Responded; 'tcp_total_bytes_rcv': TCP Total Bytes Received; 'tcp_total_bytes_drop': TCP Total Bytes Dropped; 'tcp_action_on_ack_bl': TCP ACK Retry Timeout Blacklisted; 'tcp_action_on_syn_bl': TCP SYN Retry Timeout Blacklisted; 'tcp_per_conn_ofo_rate_exceed_drop': TCP Conn Out-Of-Seq Rate Dropped; 'tcp_per_conn_ofo_rate_exceed_bl': TCP Conn Out-Of-Seq Rate Blacklisted; 'tcp_per_conn_rexmit_rate_exceed_drop': TCP Conn Retransmit Rate Dropped; 'tcp_per_conn_rexmit_rate_exceed_bl': TCP Conn Retransmit Rate Blacklisted; 'tcp_per_conn_zwindow_rate_exceed_drop': TCP Conn Zero-Window Rate Dropped; 'tcp_per_conn_zwindow_rate_exceed_bl': TCP Conn Zero-Window Rate Blacklisted; 'tcp_syn_tfo_rcvd': TCP SYN TFO Received; **Type:** string **Supported Values:** all, tcp_sess_create, intcp, tcp_syn_rcvd, tcp_invalid_syn_rcvd, tcp_syn_ack_rcvd, tcp_ack_rcvd, tcp_fin_rcvd, tcp_rst_rcvd, tcp_outrst, tcp_reset_client, tcp_reset_server, tcp_syn_rate, tcp_total_drop, tcp_dst_drop, tcp_exceed_drop_any_dst, tcp_exceed_drop_prate_dst, tcp_exceed_drop_crate_dst, tcp_exceed_drop_climit_dst, tcp_drop_black_dst, tcp_src_drop, tcp_exceed_drop_any_src, tcp_exceed_drop_prate_src, tcp_exceed_drop_crate_src, tcp_exceed_drop_climit_src, tcp_drop_black_src, tcp_drop_black_user_cfg_src, tcp_src_dst_drop, tcp_exceed_drop_any_src_dst, tcp_exceed_drop_prate_src_dst, tcp_exceed_drop_crate_src_dst, tcp_exceed_drop_climit_src_dst, tcp_drop_black_src_dst, tcp_drop_black_user_cfg_src_dst, tcp_port_zero_drop, tcp_syncookie_sent, tcp_syncookie_sent_fail, tcp_syncookie_check_fail, tcp_syncookie_hw_missing, tcp_syncookie_fail_bl, tcp_syncookie_pass, syn_auth_pass, syn_auth_skip, tcp_over_limit_syn_auth_dst, tcp_over_limit_syn_cookie_dst, tcp_over_limit_syn_auth_dst_port, tcp_over_limit_syn_cookie_dst_port, tcp_action_on_ack_start, tcp_action_on_ack_matched, tcp_action_on_ack_passed, tcp_action_on_ack_failed, tcp_action_on_ack_timeout, tcp_action_on_ack_reset, tcp_ack_no_syn, tcp_out_of_seq, tcp_zero_window, tcp_retransmit, tcp_rexmit_syn_limit_drop, tcp_zero_window_bl, tcp_out_of_seq_bl, tcp_retransmit_bl, tcp_rexmit_syn_limit_bl, tcp_per_conn_prate_exceed, tcp_action_on_ack_gap_drop, tcp_action_on_ack_gap_pass, tcp_new_conn_ack_retry_gap_start, tcp_new_conn_ack_retry_gap_passed, tcp_new_conn_ack_retry_gap_failed, tcp_new_conn_ack_retry_gap_timeout, tcp_new_conn_ack_retry_gap_reset, tcp_new_conn_ack_retry_gap_drop, tcp_action_on_syn_start, tcp_action_on_syn_passed, tcp_action_on_syn_failed, tcp_action_on_syn_timeout, tcp_action_on_syn_reset, tcp_action_on_syn_gap_drop, tcp_action_on_syn_gap_pass, tcp_unauth_rst_drop, dst_tcp_filter_match, dst_tcp_filter_not_match, dst_tcp_filter_action_blacklist, dst_tcp_filter_action_drop, dst_tcp_filter_action_default_pass, tcp_over_limit_syn_auth_src, tcp_over_limit_syn_auth_src_dst, tcp_over_limit_syn_cookie_src, tcp_over_limit_syn_cookie_src_dst, tcp_exceed_drop_brate_dst, tcp_exceed_drop_brate_src, tcp_exceed_drop_brate_src_dst, tcp_concurrent, dst_tcp_filter_action_whitelist, src_tcp_filter_match, src_tcp_filter_not_match, src_tcp_filter_action_blacklist, src_tcp_filter_action_drop, src_tcp_filter_action_default_pass, src_tcp_filter_action_whitelist, src_dst_tcp_filter_match, src_dst_tcp_filter_not_match, src_dst_tcp_filter_action_blacklist, src_dst_tcp_filter_action_drop, src_dst_tcp_filter_action_default_pass, src_dst_tcp_filter_action_whitelist, syn_auth_pass_wl, tcp_out_of_seq_drop, tcp_zero_window_drop, tcp_retransmit_drop, tcp_per_conn_prate_exceed_bl, tcp_any_exceed, tcp_drop_bl, tcp_frag_rcvd, tcp_frag_drop, tcp_auth_drop, tcp_auth_resp, tcp_total_bytes_rcv, tcp_total_bytes_drop, tcp_action_on_ack_bl, tcp_action_on_syn_bl, tcp_per_conn_ofo_rate_exceed_drop, tcp_per_conn_ofo_rate_exceed_bl, tcp_per_conn_rexmit_rate_exceed_drop, tcp_per_conn_rexmit_rate_exceed_bl, tcp_per_conn_zwindow_rate_exceed_drop, tcp_per_conn_zwindow_rate_exceed_bl, tcp_syn_tfo_rcvd .. _6_stats_data: stats data ---------- .. list-table:: :widths: 10 20 30 80 :header-rows: 2 :stub-columns: 1 * - - Counter - Size - Description * - - - - * - - tcp_rexmit_syn_limit_drop - 8 - TCP Retransmit SYN Exceed Dropped * - - tcp_reset_client - 8 - TCP Reset Client * - - tcp_syn_rcvd - 8 - TCP SYN Received * - - tcp_action_on_ack_timeout - 8 - TCP ACK Retry Timeout * - - tcp_port_zero_drop - 8 - TCP Port 0 Packets Dropped * - - src_dst_tcp_filter_action_whitelist - 8 - SrcDst Filter Action WL * - - tcp_auth_resp - 8 - TCP Auth Responded * - - syn_auth_skip - 8 - TCP SYN Auth Skipped * - - tcp_drop_black_user_cfg_src_dst - 8 - TCP SrcDst Blacklist User Packets Dropped * - - tcp_action_on_syn_start - 8 - TCP SYN Retry Init * - - tcp_per_conn_ofo_rate_exceed_drop - 8 - TCP Conn Out-Of-Seq Rate Dropped * - - tcp_action_on_ack_passed - 8 - TCP ACK Retry Passed * - - tcp_per_conn_prate_exceed - 8 - TCP Conn Pkt Rate Dropped * - - tcp_total_bytes_rcv - 8 - TCP Total Bytes Received * - - tcp_syncookie_hw_missing - 8 - TCP SYN Cookie HW Missed * - - tcp_per_conn_zwindow_rate_exceed_bl - 8 - TCP Conn Zero-Window Rate Blacklisted * - - tcp_zero_window_drop - 8 - TCP Zero-Window Dropped * - - dst_tcp_filter_not_match - 8 - Dst Filter No Match * - - tcp_sess_create - 8 - TCP Sessions Created * - - tcp_frag_drop - 8 - TCP Fragmented Packets Dropped * - - tcp_retransmit_bl - 8 - TCP Retransmit Blacklisted * - - dst_tcp_filter_action_blacklist - 8 - Dst Filter Action Blacklist * - - tcp_out_of_seq_drop - 8 - TCP Out-Of-Seq Dropped * - - tcp_frag_rcvd - 8 - TCP Fragmented Packets Received * - - tcp_drop_bl - 8 - TCP Blacklist Packets Dropped * - - tcp_action_on_ack_reset - 8 - TCP ACK Retry Timeout Reset * - - tcp_action_on_syn_bl - 8 - TCP SYN Retry Timeout Blacklisted * - - tcp_per_conn_ofo_rate_exceed_bl - 8 - TCP Conn Out-Of-Seq Rate Blacklisted * - - src_tcp_filter_action_default_pass - 8 - Src Filter Action Default Pass * - - tcp_auth_drop - 8 - TCP Auth Dropped * - - tcp_rst_rcvd - 8 - TCP RST Received * - - tcp_action_on_ack_gap_drop - 8 - TCP ACK Retry Retry-Gap Dropped * - - tcp_drop_black_user_cfg_src - 8 - TCP Src Blacklist User Packets Dropped * - - tcp_syn_tfo_rcvd - 8 - TCP SYN TFO Received * - - tcp_per_conn_prate_exceed_bl - 8 - TCP Conn Pkt Rate Blacklisted * - - tcp_zero_window - 8 - TCP Zero-Window Total * - - tcp_action_on_ack_failed - 8 - TCP ACK Retry Dropped * - - tcp_rexmit_syn_limit_bl - 8 - TCP Retransmit SYN Exceed Blacklisted * - - src_tcp_filter_action_drop - 8 - Src Filter Action Drop * - - tcp_out_of_seq_bl - 8 - TCP Out-Of-Seq Blacklisted * - - dst_tcp_filter_action_whitelist - 8 - Dst Filter Action WL * - - src_dst_tcp_filter_not_match - 8 - SrcDst Filter No Match * - - tcp_action_on_ack_start - 8 - TCP ACK Retry Init * - - tcp_any_exceed - 8 - TCP Exceeded * - - tcp_syncookie_fail_bl - 8 - TCP SYN Cookie Blacklist Failed * - - tcp_src_drop - 8 - TCP Src Packets Dropped * - - tcp_syncookie_sent_fail - 8 - TCP SYN Cookie Send Failed * - - tcp_dst_drop - 8 - TCP Dst Packets Dropped * - - syn_auth_pass_wl - 8 - TCP SYN Auth Pass WL * - - tcp_concurrent - 8 - TCP Concurrent Port Access * - - tcp_outrst - 8 - TCP Outbound RST * - - tcp_unauth_rst_drop - 8 - TCP Unauth RST Dropped * - - tcp_action_on_ack_bl - 8 - TCP ACK Retry Timeout Blacklisted * - - dst_tcp_filter_action_default_pass - 8 - Dst Filter Action Default Pass * - - tcp_per_conn_rexmit_rate_exceed_drop - 8 - TCP Conn Retransmit Rate Dropped * - - dst_tcp_filter_action_drop - 8 - Dst Filter Action Drop * - - syn_auth_pass - 8 - TCP SYN Auth Passed * - - tcp_syncookie_pass - 8 - TCP SYN Cookie Passed * - - tcp_ack_rcvd - 8 - TCP ACK Received * - - tcp_ack_no_syn - 8 - TCP ACK No SYN * - - src_dst_tcp_filter_action_drop - 8 - SrcDst Filter Action Drop * - - src_tcp_filter_action_whitelist - 8 - Src Filter Action WL * - - src_tcp_filter_action_blacklist - 8 - Src Filter Action Blacklist * - - src_dst_tcp_filter_match - 8 - SrcDst Filter Match * - - tcp_syn_rate - 8 - TCP SYN Rate Per Sec * - - src_tcp_filter_not_match - 8 - Src Filter No Match * - - src_dst_tcp_filter_action_default_pass - 8 - SrcDst Filter Action Default Pass * - - tcp_action_on_syn_failed - 8 - TCP SYN Retry Dropped * - - tcp_action_on_syn_gap_pass - 8 - TCP SYN Retry Retry-Gap Passed * - - tcp_syncookie_check_fail - 8 - TCP SYN Cookie Check Failed * - - src_dst_tcp_filter_action_blacklist - 8 - SrcDst Filter Action Blacklist * - - tcp_out_of_seq - 8 - TCP Out-Of-Seq Total * - - dst_tcp_filter_match - 8 - Dst Filter Match * - - src_tcp_filter_match - 8 - Src Filter Match * - - tcp_action_on_syn_reset - 8 - TCP SYN Retry Timeout Reset * - - tcp_action_on_syn_gap_drop - 8 - TCP SYN Retry Retry-Gap Dropped * - - tcp_reset_server - 8 - TCP Reset Server * - - tcp_invalid_syn_rcvd - 8 - TCP Invalid SYN Received * - - tcp_action_on_syn_passed - 8 - TCP SYN Retry Passed * - - tcp_zero_window_bl - 8 - TCP Zero-Window Blacklisted * - - tcp_fin_rcvd - 8 - TCP FIN Received * - - tcp_retransmit_drop - 8 - TCP Retransmit Dropped * - - tcp_total_drop - 8 - TCP Total Packets Dropped * - - tcp_syn_ack_rcvd - 8 - TCP SYN ACK Received * - - tcp_action_on_ack_gap_pass - 8 - TCP ACK Retry Retry-Gap Passed * - - tcp_per_conn_rexmit_rate_exceed_bl - 8 - TCP Conn Retransmit Rate Blacklisted * - - tcp_syncookie_sent - 8 - TCP SYN Cookie Sent * - - tcp_action_on_ack_matched - 8 - TCP ACK Retry Matched * - - tcp_retransmit - 8 - TCP Retransmit Total * - - tcp_src_dst_drop - 8 - TCP SrcDst Packets Dropped * - - tcp_total_bytes_drop - 8 - TCP Total Bytes Dropped * - - tcp_action_on_syn_timeout - 8 - TCP SYN Retry Timeout * - - intcp - 8 - TCP Total Packets Received * - - tcp_per_conn_zwindow_rate_exceed_drop - 8 - TCP Conn Zero-Window Rate Dropped