Network Security

Sorry if I repeat a well known fact.Please confirm that this is right! One ASA with two ISP can only use one ISP connection at the time. With tracking I can fail over to the other ISP. But I cannot send and receive my SMTP traffic through one and use...

Hi @all,I have a ASA5510 in my network.My show Memory isFree memory:        25207944 bytes ( 9%)Used memory:       243227512 bytes (91%)-------------     ----------------Total memory:      268435456 bytes (100%)This is fairly the wohle day.CPU Utiliz...

I have two 5510 as Failover pair.On the primary active I have the phenomenon that from day to daythe running-configuration will get more and more the same entrieslike this as exampleaccess-list NAME remark VPN ueber Group NAME auf NAMEI can delete th...

Hi. Today I found one of my standby NAC servers is down. The power switch in front shows amber and the power supply behind too shows amber. When accessing through serial i see the following output. What could be wrong?RegardsPrasanth George

I am setting up a small scale setup of a NAC environment to obtain some basic understanding. I have a 3750 switch running 12.2.(46)SE as the router switch. I am using a 3350 as a manager and a 3315 as a server. I have able to control the switch via S...

We have been moving our email filtering and archiving over to Mimecast and while the configuration for smtp has been easy, I have been struggling to get an LDAP connection to work.I created a network object group to cover the IP ranges for Mimecast's...

Refer to document below, I have simple question about virtual telnet.PIX/ASA : Cut-through Proxy for Network Access using TACACS+ and RADIUS Server Configuration Examplehttp://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_exam...

Hi All,we have setup VPN client, it is working fine but I can't ping some host inside the network. all hosts inside LAN are using the same default gateway, but some of them are not accessible by VPN client. any suggestion would be very appreciated.th...

I am tryin to generate a self signed certificate for Indentity Certificates, and keep coming up with the wrong domain name. The "Issued To" and "Issued by" both refer to the incorrect domain.In the config, the correct domain name can be found in:doma...

I'm try to upgrade all my ssl vpn clients but for some reason its not seeing the upgraded software. I  used the followinig document but was unsuccessful.  I'm running version 8.05 on the firewall and ASDM 6.2(5).  Can anybody help with this?

setting up redundant 5510's with an outside interface an inside interface and a dmz interface.  The question is, will the standby unit go to active if ANY of the 3 interfaces goes down?  i.e. if the primary interface f0/2 nameif dmz goes down, will t...

Hello.I have a CISCO ASA firewall. The network looks like:LAN > L2 Switch > ASA E0/1 - ASA E0/0 > ISPThe interface E0/0 is connected to the ISP end & intercafe E0/1 is connected to my LAN of few PC via a L2 switch.The problem I am facing is, I can no...