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Need some clarification

I have just installed ASA-5520 with SSM-10 module. I have the IPS working and running in inline mode. I need clarification on the anti virus features. We currently use Symantec anti virus. I dont understand how I can integrate the IPS and symantec to work hand in hand. Also if an email virus breaks out and I activate or update the signature based on the virus, will the IPS catch it? The IPS is installed inline with the internet connection.

Thanks for any assistance..

1 REPLY

Re: Need some clarification

Hi,

In inline mode, the IPS (SSM-10) will bascially sits in the data path. All network traffic need to pass through the IPS to check/inspect and filter malicious traffic content like trojans, viruses, various types of network and application attacks and so on.

In short, IPS can/will intercept passing through network viruses, but not the one hovering outside the IPS, e.g viruses in end-user workstations.

So, in the event of viruses/worms outbreak where it tries to replicate itself all over the network, any passing through traffic (through IPS-SSM), e.g outbound to the internet, containing this malicious scripts will be stopped by IPS. However, for segments without IPS protection, no filtering can be done.

This combination allows you to handle viruses/worms/trojans issues both at the hosts level using host antivirus software, and at the network level using IPS appliance (or ASA with SSM).

FYI, Cisco partnered with TrendMicro to enhanced virus/malware protection in the new IPS 5.1.

http://www.cisco.com/en/US/partner/products/hw/vpndevc/ps4077/products_data_sheet0900aecd801eeea5.html

Rgds,

AK

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