At this time I am managing with CCP. Do you know how to fix it?

All signatures were tuned to only produce-alert and IOS IPS keeps
reseting connections without providing any alarm..

 

De: Kingsley Charles [mailto:[email protected]] 
Enviada em: sexta-feira, 1 de junho de 2012 03:49
Para: Carlos Alberto Campos Jardim
Cc: [email protected]
Assunto: Re: [OSL | CCIE_Security] IOS IPS troubleshooting

 

It is some issue with tcp socket having src port of 443. Are managing it
with SDM or CCP?

With regards
Kings

On Thu, May 31, 2012 at 9:23 PM, Carlos Alberto Campos Jardim
<[email protected]> wrote:

Hi guys, I have configured IOS IPS and I getting the following messages:

 

*May 31 12:28:59: %IPS-6-TIMEOUT_EVENT: Synwait timer timeout event.

*May 31 12:28:59: %IPS-6-SEND_TCP_PAK: Sending TCP
packet:(12.12.12.12:443)=>(44.44.44.44:2985),tcp flag:0x4,
pak:0x3187DEDC, iso:0x2CCD0C60,tcp seq:0x0, tcp ack:0x0,
tcp_window:65535, ip_checksum:0xDA60, Serial0/0/0,feat_flags:0x10000,
fast_path(no)

 

>From statistics I can see:

 

Lab_ips_Eng#sh ip ips statistics

Interfaces configured for ips 1

Session creations since subsystem startup or last reset 131182

Current session counts (estab/half-open/terminating) [0:907:0]

Maxever session counts (estab/half-open/terminating) [2:1000:1]

Last session created 00:00:09

Last statistic reset 00:02:17

TCP reassembly statistics

  Out-of-order packets dropped 0 

 

 

Do you guys have any insight about these errors?

 

Best regards!

Carlos Jardim

 


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_______________________________________________
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www.ipexpert.com

Are you a CCNP or CCIE and looking for a job? Check out 
www.PlatinumPlacement.com

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