IOS CBAC is dropping already permitted packets. is it possible to exclude /32 IP from CBAC inspection?
My router x.x.x.x utilizing CBAC time to time drops packets from y.y.y.y to x.x.x.x x.x.x.x is writes following in log file: +++++++++ Nov 7 01:01:47 gate.sta17.net 998275: Nov 7 01:01:46: %FW-6-DROP_PKT: Dropping tcp session x.x.x.x:55802 y.y.y.y:443 due to RST inside current window with ip ident 24576 tcpflags 0x5014 seq.no 2217371408 ack 3597684402 +++++++++
gate router config looks like:
+++++++++ gate(config)#do sh runn | s ip inspect ip inspect log drop-pkt ip inspect audit-trail ip inspect max-incomplete high 10000 ip inspect max-incomplete low 8900 ip inspect one-minute low 8900 ip inspect one-minute high 10000 ip inspect udp idle-time 360 ip inspect dns-timeout 20 ip inspect tcp idle-time 7200 ip inspect tcp finwait-time 32 ip inspect tcp max-incomplete host 800 block-time 0 ip inspect tcp reassembly queue length 1024 ip inspect tcp reassembly timeout 120 ip inspect tcp reassembly memory limit 512000 ip inspect tcp reassembly alarm on ip inspect name DIAL_OUT ftp alert on audit-trail off timeout 120 ip inspect name DIAL_OUT router alert on audit-trail off timeout 120 ip inspect name DIAL_OUT tcp alert on audit-trail off timeout 120 ip inspect name DIAL_OUT udp alert on audit-trail off timeout 120 ip inspect name DIAL_OUT rtsp alert on audit-trail off timeout 120 +++++++++
where interface gi8 is outside one connected to ISP:
+++++++++ gate(config)#do sh ip inspec inter Interface Configuration Interface GigabitEthernet8 Inbound inspection rule is not set Outgoing inspection rule is DIAL_OUT ftp alert is on audit-trail is off timeout 120 router alert is on audit-trail is off timeout 120 tcp alert is on audit-trail is off timeout 120 udp alert is on audit-trail is off timeout 120 rtsp alert is on audit-trail is off timeout 120 Inbound access list is DI_IN Outgoing access list is not set
Could you suggest what wrong with config above? Also please suggest how to exclude IP y.y.y.y from x.x.x.x's CBAC inspection?
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