Network Security

I just bought an ASA 5505 to use at home. I'm replacing an old Linksys Cable/DSL router. I'm having some trouble configuring it to forward DNS queries from internal machines to the DNS server at the ISP. The ASA's outside interface is connected to a ...

Occasionally, the users are able to establish connection without problems however more often then not they run into issues when attempting to access resources on the network. The tunnel is established but when they attempt to check e-mail, browser an...

Hi In the pix ver 7.0, what is difference logging history debugging from logging history warning for MRTG monitoring pix?(logging history debugging makes pix cpu higher 20% than warning)Thanksben

I've been told that when you implement Cisco NAC and are using non-Cisco IP phones, the device will authenticate the phone but not the pc plugged into it. Is this true or was it true and if so, is there a fix or a workaround? Nortel has been using th...

We are currently running CSA ver. 5.1.0.79.We see the message: "The process 'C:\WINDOWS\System32\svchost.exe' (as user NT AUTHORITY\SYSTEM) attempted to accept a connection as a server on UDP port 123 from (Internal IP Address) The operation was deni...

Hi friends, I was wondering if any one of you have faced simillar problem that I am facing. I have 2 FWSM's 3.1(5), in two seperate 6509's running native IOS 12.2(18)SXF7. I have created 2 groups with one active on each switch. Problem is they are al...

Hi, How do I setup the FWSM so that wireless phone traffic will pass through to CM and other IP phones? My setup is: ? Running a transparent context.? WLC ssid tied to outside vlan. ? CM and other phones on inside. ? Outside set to 0 ? Inside set to ...

Hi All,Wondering if anyone else here has seen this. I have a PIX 515E UR that died last week. When I say died, I mean that it powers on, but I can't connect to it with console or ethernet cables.The weird part: The power LED does NOT come on, but the...

Hi,I've never configured a PIX506E without NAT but I'm planning on doing it for one of my customers (their PBX/VOiP server requires a no-Nat connection). They're going to have a T1 router route the addresses to the PIX, the PIX will have public addre...

Hi,I would like to ask about any possible limitations for an IDS configured for shunning connections by integrating with a Cisco ASA; I have the following questions in this regard:1- Is it the particular malicious traffic which will be blocked, or th...

I have a couple of IPS 4215's in a lab environment for training. The problem I am facing is a lot of the time when the command erase current-config or just a simple save is issued, the IPS hangs and requires a power cycle. This has happened with 5.0,...

Hi, it's my first time configuring VPN and looks like I got stuck - I have cisco 2620 which is configured for FR, I need to setup vpn access. I think I did everything by the book, but... VPN Client version 4.6.00..0049 connects but then gets config l...

Dear AllI have IDS 4235 with 1 GIG RAM and mem are 99% i dont know what to do, the ver is 4.1

Hi, i just formed a GRE VPN tunnel between two 1841 routers, which established on FastEthernet Subinterface (F0/1.1) at both. And want to apply an Qos control to classify some important traffic.What i want to know is - Where should i apply the "servi...