Network Security

Is it preferable to have a dedicated switch for the DMZ, that is, connect a dedicated switch to the DMZ interface of the firewall. Or the second option, tag DMZ ports on the core switches (internal network)? In that case the DMZ interface of the fire...

I WANT YOUR HELPwhen i use IPS mail service stop (SMTP,POP3)BUT internet users can reach internet.ac uo help me please

Hi All,I have a query regarding Cisco IDS Sensors (Version 4.1(4), IDS 4235).I want to update the signatures via MC(Management center) for IDS Sensors .Do i need to purchase it or it is a tool which i can download from Cisco site and install on any w...

I am having an issue and I am not sure what is causing it. I have a rule on my ASA that says any-any inside/outbound allow. I have found that some of my connections do not work. I think they do connect but on the return route the ASA is blocking the ...

Hi All,If I use ASA5520, can I use the Management port to do the both failover and stateful failover? Any propose config?Thanks!

in the follow configuration with "no nat-control" the bi-directiona traffic between extranet and inside is stopped only when i create a new masq inside to outside .Is this behaviour correct ?When the traffic is stopped the log are the follow:172.31.2...

We have installed Cisco VPN Client(4.9.01.0100-Universal-K9) on a MacBook Pro. We are using Reliance datacard for the internet connectivity. After establishing the VPN connection,exactly on the 5th sec,the connection gets terminated, showing the atta...

One ASA 5510 is setting up in our site, today it's suddently not working, power LED is off, Status and Active LED is turned on amber in solid. On rear panel, Power indicator LED is on in green color. All the cooling fan is on. But all LAN ports and m...

Does anyone know why when viewing NAC Event logs, I'll notice that many users have " forcefully logged out by administrator" ? No one else is the admin and i have not performed the task, so I imagine its a matter of semantics, but need to be sure why...

Hi, can anyonw send me any document through which I could know about QOS on firewall. Thanks

Hi allI want to block P2P and torrents with regex or any other technique any idea in this regard

How to add the non cisco security in CS MARS for example Nokia check point ,Proventia network-IPS,Trend micro ?After adding it will be appear in CS MARS Security and monitor devices or noT

i want to make VPN with my remote office, Remote site access the FTP serverlocated in head office. I want only allow FTP traffic from remote office to getin via VPN Tunnel, Both sides have vpn concentrator. Tell me how to configure thisand shall i ha...

Recently aquired Cisco 2851, trying to configure the firewall but I can't figure out the difference between Permit Firewall and Permit ACL?Am I right in thinking they both allow traffic? And if so what is the difference?