Network Security

Hello,How to secure vlans on Catalyst 6500 by using Cisco ASA Firewalls?There are no free modules on Catalyst 6500 to install a FWSM module.What is the best configuration to secure vlans (~80 vlans) by using cisco ASA firewalls (context, hairpining.....

Hi Folks, We have a secondary FWSM which has 50 Contexts, while the primary one has 100 Context. so the failover is not working. Is there away to downgrade the first one to 50 Context without paying extra cost. I mean I want to do the reverese thing ...

                   I have an ASA-5520 with a IPS-SSM-40. I configured the IPS control port to an ip address on the ASA's inside network subnet and connected it to the same switch as the ASA's inside port is connected to. I am using a single context. ...

Hi,I'm setting up a new IPS sensor on an ASA 5500.I've heard a recommendation that for a new sensor implementation at a given site, it is better to allow the sensor to learn traffic patterns in promiscous mode before deploying inline mode, otherwise ...

Hi,I have a cisco 5520 with 8.4.4(1) and I already have a NAT for an email server on it.Here is the IP and ports on current configuration:Email Server Private IP:  1.1.1.1Email Server Public IP: 2.2.2.2Email Server Local Ports : 25, 587Right now I ha...

On the ASA5505's, is it possible to get the features of the Security Bundle on a user count less than unlimited. Basiclly I'd like a 25 or 50 user ASA with the ability to have an inside, outside and DMZ I'm pretty sure units without the Security Bund...

We have several customers running ASA 8.4x code and all seem to be plagued with the ESMTP inspection bug CSCtr92976.I have tested this in the lab with an ASA 5505 running 8.4(1), 8.4(2) and 8.4(4)1 & 8.4(4)3 and the behaviour is always the same.  I h...

Hi I was wondering if it is possible to create a custom signature that would produce an alert whenever someone clicks on a .torrent link..I am using Build Version: 5.1(3)S247.0Just started using the IPS so any help or pointers will be greatly appreci...

The description of this signature says "This signature fires upon detecting out of old ack packets."That doesn't even make sense. Is that a type-o or something?What is it about Ack packets that causes this signature to trigger an alert?

Cisco IPS | Physical Network IntegrationRecently we bought 2 IPS while we have the below topology,we need to protect our self from the ravage of the internetActive-ISP-ROUTER-1----------ACTIVE-ASA5520------------CORE-1Standby-ISP-ROUTER-2 ----------S...