Network Security

I am trying to set DNS doctoring to prevent us from having to host "public" DNS. The inside translated address is actually hosted on another network over a VPN but I have got it to work fine on the Pix's and ASA's I have, however I cannot get in to w...

Hi,We have purchased some ASA5520's on the basis that they have 5 interfaces , it turns out that this is not exactly true !!They have 1 mgmt and 4 usable interfaces, can anybody confirm that the mgmt interface cannot be used for anything else please ...

is there any security concerns on using nat or no nat between interfaces (or security levels) on asa's?

In the past week, I have received a plethera of alerts with this High Level title. After blacklisting the host IP it is back with a different one. I am starting to get concerned because the first IP address that was blacklisted was a hacker. Can some...

Dear sir, i have two servers ip address:129.9.1.15,129.9.1.16 we want to access these servers through the asa5505 firewall.how can i configure the firewall plz any tips. thanks&Regards srini

Hi,I have PIX 506E running IOS 6.3. My client can not afford to buy Websense or any web filtering software at the moment and he wants to block access to only three web sites at the moment.Any ideas on how best to do this?For example if my client want...

please see the attached pic, can someone tell ASA(FW1) can detect router1 outside interface down, which is in-direct link, and auto failover?

which Cisco ASA model-5510 or 5520 -would be suitable for a network with a 200 users?How is the sizing done normally?

I have PIX running 6.3 software with a few site to site VPN tunnels. Is there any way to monitor the bandwidth utilization of a particular tunnel? Same question goes with ASAs and using ASDM...no plans to get CSM here... Thanks, Jason

If I purchase SSL VPN license on ASA5500. Problem is I must purchase on Active Box and Standby BOX together. Or I can purchase only Active Box

Hi guys,Got an issue with a site-to-site vpn. Bear in mind this VPN is over our gigabit core network. Doing an scp from one unix box to another it shows us speeds of starting at approx 500KB/s and over about 10 secs goes down to about 200KB/s.We test...

Getting a FLOOD, huge flood of " reason: MSS exceeded, MSS 1300, data 1360" on Port 25running Pix 7.0.4 code.What is up with this? Have seen some of these in the past, but nothing like the 1 to 3 every second. I think someone is trying to run a SMTP ...