Network Security

I recently upgraded to 8.2 and now I see this message. I also have trouble http'ing to some websites. In particular yahoo.com! Google, cisco, Microsoft...no problem. Its very concerning. I do not recall seeing this message with 7.X. See the alerts be...

Hi, We have ASA 5505 installed for our office and one Internet 2MBPS lease line for Internel and have 16 public IP's. One of the Public IP is assigned to ASA outside Interface and other are using by NAT. We have 10 branches connected via STS VPN Tunn...

We want to use our ASA appliance at the edge of our network to send out our Https and http traffic to our AT&T Filtering server on the Internet for policy enforcement.What specific features do I enable to make this happen?Thanks

IS there any security risks using this in a IP-sec Spoke-to-Spoke design?

We have been using the management0/0 interface for the failover process with success. I have a co-worker who claims this to not be a good idea. Has anyone heard of any definitive information for or against this practice?

ASA's MAC address of the inside interface is populated in the CAM table of the switch it's connected to causing connectivity issues for devices in VLAN252.ASA inside interface: 8: Ext: GigabitEthernet1/1 : address is 001f.6c3d.e287, irq 255Switch CA...

Hi all,I need to have 2 default routes on the ASA 5510. Is this possible without security contexts? Thanks all.

Hi allIs it possible to have failover set up over a routed connection? or do they have ot be back to back?Many thanksCarl

Hello,using Cisco 1841 IOS ver 12.4When im running traceroute from outside the network to my router ipthe trace command show the loop between 2 IP .Any idea?

Hi All,This might be a nonsensical question but what is the main rationale in placing a router before your main internet firewall? (i.e. terminating internet connection on a router instead of your ASA)I know with the 'router first' design you have th...

We have Easy VPN setup using PIX 501s for the remotes and ASA-5540s in our data center and everything works as advertised. One 'feature' I can't find is a way to disconnect the VPN tunnel other than from the PIX 501 command line. Is there a URL simil...

I am using an 800 series router with IOS V12.4 as a firewall for a Windows server running an ftp site. I have setup a static NAT, ACL and inspect rules so that active mode ftp works but passive doesn't. I realize that most browsers can switch betwe...

Here only what I'm receiving when using static NAT on PIX 501 6.3:HTTP/1.1 400 Bad RequestServer: Microsoft-IIS/5.1Date: Thu, 25 Jun 2009 14:37:37 GMTContent-Type: text/htmlContent-Length: 87I'm using many static NATs and showing a correct result whe...

Hello,I need configure EASY VPN from ASA 5505 to pix 506 that has a easy vpn with another pix 501.. the vpn connexion is good but the ASA can't resolve many domain in Internet I configure DNS in the asa but only reach this domains when I disable EAS...