Network Security

Hello friends My company has got ASA 5510 without CF. I inserted a few CF but without any success.I tried to use CF from my ASA 5505, too. I tried to use format, and fsck, but everything was the same. Can I use the same image from ASA 5505 on ASA ...

Hello Community I have an interesting case and after reading this articles and some others, I'm not sure how to fix it.... For some reason for some IPs behind our firewall the trace route show multiple times the IP of the outside interface and I dont...

Hi Guys, Today I encountered a strange problem with our WAN firewall (ASA 5520). The clients from outside were not able to connect to the services inside. Even from the WAN router I was not able to ping the services inside for about 40 minutes. The ...

Hi, I received an error when tried to access the ASA 5515-X via ASDM: '' ASDM is not able to access asdm_handler service on device ...   It is likely that the user password has expired or the maximum number of sessions has been exceeded on the device...

Hi All,   I would like to ask if how to properly secure and protect our network against any sort of attacks from outside using Cisco ASA 5512?   Q'S 1. How to allow only trusted IP from outside? 2. Can we make a policy that if we we open http 80 only...

I have looked througout the support community and have googled this but haven't found a definitive answer. I have a 100Mbp pipe to the internet - I need to allow our internal network to have 20Mbps guaranteed to specific IP's on the outside (see bel...

Hi, How can i create an ingress filtering on asa firewall to avoid spoofing (dns ) attack Thanks

Hi there, We just purchased an ASA 5506-X with FirePower (Control and Protection licences that come with it, nothing more). You know, I was just first looking for an ASA 5505 replacement so I wasn't aware at all of the FirePower solution. So from now...

Hello, i have issue in my network , as part of the work we need to connect to outside PPTP server but its always fail , works only if we connect directly to the gateway router. back behind the ASA  the client cant connect ,  what is driving me crazy ...

Hi there ... I've bought ASA5506X with Firepower, full licensed (including URL filtering) It came with version 5.4, but it doesn't work very well in terms of filtering. I've been reading version 6.0 fixes a lot of problems I'm seeing on my device How...

Hallo everybody, our old range of public ip adress are fineshed. I asked our ISP, so we got an new public range. Both public ranges are /29. We use a cisco asa 5510 with an outside interface. The new public ip address range is for a new cisco vpn rou...