Network Security

What's invalid about the DHCP packet? Cisco doesn't explain what the signature looks at to determine that the DHCP packet is invalid.

Hi,we have a IDS 4215 boxs which is running with 5.1(8)E3S407V1.4 code.we have to monitor the event logs frequently and give an update to the client with the recomendations.As i am new this technology, i am not able to track the event logs properly, ...

Hello I just swapout a bad ASA in active/stanby mode the secondary unit was bad however I configured the secondary unit with the minimum configuration:interface GigabitEthernet0/3 description LAN/STATE Failover Interfacefailoverfailover lan unit seco...

Hi,Does anyone know, if you have a WebVPN profile configured to fail over to a second site, will the failover occur (i.e user is automatically connected to the second site) if the number of licensed WebVPN users is reached?I've not found any document...

Hi,i am having some issue while configuring PIX firewall in my network.Please find the network digram for your refernce abt the setup.As per diagram i am able to reach the firewall using inside interface ip address from remote end Lan.but there is no...

Hi All,is there any feature in the PIX firewall that limit the number of connections to a given host ?thanks Jean

Hi,What if we need to get in rule to permit certain site on ASA with the sites domain name & not based on IP. Can this be done by just putting in the site name"www.abc.com" or is there any other way.Please help.Thanks.

A couple of years ago I requested the free 3DES/AES license for a PIX 501. The existing license key on the PIX was for 50-users, when I applied the new license it upgraded it to 3DES/AES but was restricted to 10-users. Since I didn't actually need ...

HelloI have set up Phone Proxy on my ASA 5510 according to this guide:http://supportwiki.cisco.com/ViewWiki/index.php/ASA_Phone_Proxy_sample_configuration_via_ASDMThe phone downloads it's configuration from the CUCM, but somehow it's just stuck on "r...

My goal is to reduce traffic loads and save some money.Now I am exporting Netflow to AdventNet Netflow Analyzer - it is helping me to understand what traffic is passing through router. It gives a lot of useful information. But, I still have a lot of ...

I am looking for feed back from the community on the ASA 8.2(1) code I am looking to upgrade to mitigate a vulnerability but I don't want to introduce any issues especially since I am running a phone proxy configuration. If you have experience with ...

I have a Cisco 1811 with IOS Firewall software, I wish to block Adobe Flash to ensure my users will not be able to watch/stream videos from Youtube. I don't want to block the web site but block the watching of the videos. Can anybody help out?Hint:I ...

hi all,We are planning to implement NAC server version 4.5 in L3 OOB Virtual Gateway ( central deployent ), but we got stuck in the middle of the designthe problem we are facing is that1. we have a VPN concentrator 3005 at the head office for remote...

Hi there,I've been searching these forums trying to research which security device I want to implement at a new datacenter, either the ASA or the FWSM.It seems that I've read quite a few opinions where people say that the ASA is better suited as an e...