Network Security

 Hi!There is a scenario where a Cisco ASA is connected on a LAN with hosts on the LAN having the ASA's inside interface (10.10.10.100) as default gateway.A router (10.10.10.20) is also connected to the LAN and is not in-line with the Cisco ASA (out-o...

The ASA 5510 here is crashing frequently. We have been unable to find out why exactly this is happening, and the device is not under a service contract. The logging that is in place doesn't give any hints as to why this is happening. Since the last t...

Hi We have a ASA5545 with IOS 9.1(1)  we are unable to do Traceroute to any public IP's from the inside host raghu@mon:~$ traceroute 8.8.8.8traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 60 byte packets 1  sw1-core-107 (10.10.4.2)  0.425 ms  0.439 ms ...

I have a simple IP address design question.When I design internal networks, I create /24 networks for all my internal VLANs For example:Servers are 10.1.10.0/24Clients are 10.1.11.0/24Management is 10.1.12.0/24etc...All these networks summarize nicel...

So AT&T has forced me to switch from their standard DSL to the new U-Verse.......  So far things have been less than fun. My set up was this.5505 set up to establich PPOE connection.  This 5505 then created a VPN to different office.  Staff could sur...

Dear All,I have a Nat design question. I would like enhance the communicaton that i have with a partner company.The issue is that we use common ip addressing for several networks.You can see in the attached diagram . I have currently an ASA 8.2.5 whi...

Hi, Iam setting up a DMZ environment to have External customers access my Servers sitting in the DMZ. I have attached the diagram for reference.Proposed Setup1) 2x ISP links (redundant) - IPSEC connections from customer terminating on our Internet Fa...

Hi,We are using a ASA 5512.Inside there are not more than 20 odd hosts. This is lying at remote office and is managed remotely via ssh if required.We are using 9.1(3) firmware. Around 4 months backthere was one incedent  internet stopped working afte...

Cisco ASA 5510 IPS Firewall with ASA-SSM-10 Module.  I am trying to do a manual update of the signature file and get the following error:Error: execUpgradeSoftware : couldn't connect to host  I have confirmed that I can ping the ftp server successful...