我在 ASA 上检查了大量给出的以下错误消息。我知道有些人会调整错误消息,例如 106015 没有记录设备上的性能,思科也不建议这样做,但我不确定它是否正常。因为它每天产生近 8,000,000 个计数,几乎占总消息的 95%
谁能解决这个问题。。
*大多数数据包是 80(http)port w fin,ack flag。*设备型号为 ASA-5585X,版本为 9.1。*网络图如下(所有L4运行FLB)
[网络]
GW1 GW2
| |
L4 -------L4
| |
ASA ASA
| |
L4 -------L4
[错误信息]
Sep 2 00:27:45 %ASA-4-106015: Deny TCP (no connection) from flags FIN ACK on interface outside
Sep 2 00:27:45 %ASA-4-106015: Deny TCP (no connection) from flags FIN PSH ACK on interface outside
Sep 2 00:27:48 %ASA-4-106015: Deny TCP (no connection) from flags FIN PSH ACK on interface outside
Sep 2 00:27:52 %ASA-4-106015: Deny TCP (no connection) from flags FIN PSH ACK on interface outside
Sep 2 00:27:59 %ASA-4-106015: Deny TCP (no connection) from flags FIN PSH ACK on interface outside
Sep 2 00:28:14 %ASA-4-106015: Deny TCP (no connection) from flags FIN PSH ACK on interface outside
Sep 2 00:28:44 %ASA-4-106015: Deny TCP (no connection) from flags FIN PSH ACK on interface outside