Network Security

We use 3750 edge-switches connected to a 3750 to route the vlans. When we are directly connected to an edge-switch, Network Assistant runs very slow. If we use Network Assistant from a pc located on a different subnet the response is much faster. So ...

HiI want to know if it's possible to restrict snmp access to some OID.ex.: I've already an ACL to restrict who can access my device by snmp RO or RW. But for those that can access by my ACL I want to give access to some specific OID only ?Is it poss...

I have a PIX running V7.11 which has been up for 17 days with a failover partner. When I try to do a show run, I get this error:ERROR: Command Ignored, Configuration in progress...This makes it seem like it is sync'ing with the other PIX? Only it h...

I cannot seem to be able to get streaming audio/video to pass through the ASA 5510 7.1(2) IOS. Whenever I try to go to a site that streams aud/vid, the player, either Windows or Real will connect to the site, buffer, and then quit. Anyone else havi...

Hi!I've got PIX 501 (PixOS 6.3.5) acting as PPPoE client. Outside interface gets IP and DNS addresses from access concentrator.There is an example in config guide how to set DNS address (got from concentrator) for DHCH daemon in PIX, so clients in LA...

Hi,I'm configuring an ASA5540 (software version 7.2(1)) to allow SIP phones to communicate with a remote SIP server.The phone is protected on the inside interface (vlan71. security90). The SIP server is on the outside interface (security0).My config ...

I have couple of users running sslvpn connection, but I got debug error from a laptop (below)when it trying establish sslvpn connection, %ASA-3-722010: Group <sslvpn> User <user1> IP <10.1.1.1> SVC Message: 17/ERROR: Unableto start VA, setup shared q...

We just configured a brand new router. The IDS portion of the router keeps firing on "Impossible ip packet" The source and destination addresses of the alert are the routers external ip address. Any ideas what might be causing this?

Hello Everyone,The issue i am having is that when i try to configure a CBFQW on a virtual template.I keep getting the " CBFWQ:not supported" message. I have checked my IOS if it supports CBFQW which it does but stil does not let me apply my policy to...

I've been interested in implementing MARS on my system. I've been reading up on it and am wondering if NetFlow is something that comes with an IOS, or with MARS, or if it's something that I have to buy separately.

I've been interested in implementing MARS on my system. I've been reading up on it and am wondering if NetFlow is something that comes with an IOS, or with MARS, or if it's something that I have to buy separately.

I have a ASA5510 with the VPN users IP assigned via DCHP. The peer to peer computer network is on the same subnet only the PC's use static addresses. The VPN users cannot access shared files on any PC's inside the firewall. Any ideas?

We currently have Cat6513 switches installed and our looking into an IDSM-2 module, but for the time being until we can actually purchase them, I would like to install a few snort sensor into the switch to "monitor" a few VLANs. I've read where there...

Has anyone seen IPS device block CDP or prevent CDP?I was told that the Inline IPS device is preventing the use of CDP.

Hello everyone-I have a seemingly simple issue, and I have yet to find an answer. We utilize 18 PIX501 devices for each of our remote terminals. Recently, I discovered that I cannot execute a successful 'show run' command from certain machines in our...