Network Security

Guys,I am new in the IP VPN area. I am trying to setup a site-2-site vpn between 2 Cisco 1841 routers. I have SDSL link on both ends and I am able to ping outside IP both sides ok but having problems setting up vpn. The VPN tunnel is not coming UP an...

I am building a DMVPN with static routing for my locations throughout the state using a 2821 as the hub and 877 as the spokes. These locations will primarily be talking to the hub...spoke to spoke communication won't be happening too often. Each loca...

I've configured the signature auto update via the GUI and CLI but receive the same error:evError: eventId=1210198298109812431 vendor=Cisco severity=error originator: hostId: LON-Sensor appName: mainApp appInstanceId: 341 time: Jun 06, 2008 03:00:07 U...

I'd like to know the key-differences between asa and pix firewall systems apart from the antiquity of the latter.Thank you.

I have a small remote office that is only connected back to HQ with a Site to Site VPN connection, both sites running ASA's. The connectivity works fine and there really aren't any problems. My issue is when I'm on the remote ASA and I try to upload ...

Hi,I have an issue with my ASA where if i point a default route from the WAN router to the firewall i get incomplete arp records on the router and i cant get to anything behind the firewall. But if i put the specific statics in to the subnets behind ...

We're seeing a lot of these alerts in the IPS and MARS. I've made a few packet captures, but have been unable to completely identify the issue. If I create a packet capture, I see an occasional duplicate ACK, but those same events don't appear to tri...

Is it possible to store network data to an external usb harddrive on the IPS 4255 appliance. If not what can the USB port be used for?

I've been looking at the OpenVPN software.I have the OpenVPN software configured as a client and would like to use the ASA as the VPN server for this software.It is an SSL software and as such I've tried configuring the ASA to terminate such connecti...

HJi,<br />I've a Cisco ASA with software 8.0(3).<br />I've PC behind ASA (say for example 254 hosts on interface inside); I want to do global nat on interface outside with two adddresses (say for example 100.100.100.100 and 100.100.100.101).<br />The...

hello,i have Two ASA 5540 and because of some problems in the network diagram, i can't configure them as Active/Active or Active/Standby so, i want to make redundancy between them. does ASA 5540 support HSRP?

I am doing a source address nat in FWSM with the following. But sniffing the packet outside FWSM, I don't see the source IP being NAT'ed. Commandstatic (DMZ2,DMZ3) 10.1.1.5.0 192.168.50.0 netmask 255.255.255.0DMZ2 is where the traffic is originated a...

HiI have a requirement to dynamically learn routes on one side of a firewall pair and send them to the inside. I have suggested running one OSPF process on the outside and redistribute specific routes into another ospf process on the inside. The fire...

Hi folks,<br />I got curious after enabling and loading IPS signatures into our routers. I used the latest IOS-S376-CLI.pkg file to load basic signatures set. Now then I have signature definitions files in the routers flash in xml format. <br />How a...