Network Security

Hi, I am running a Cisco ASA5505 firewall with software version 8.2(5) and unlimited hosts license. It worked fine for years but all of a sudden it seems to stop forwarding packets. The GUI and CLI can still be reached. No errors in the logging, it...

In cisco ASA firepower 6. GroupA is a set of IP addresses , I want to block 2 URL categories and then the rest should be allowed. I have put a default last rule as deny all. Now for this do I need to create 2 policiesPolicy1 - Inside to Outside, Gro...

I use the command "configure manager add" to add the device in Sourcefire. After that, i see the error" could not establish a connection with sensor. Make sure the registration keys match, that the software version are compatible, and that network is...

When we have enabled Unicast RPF on Cisco ASA, The RPF drops on the outside interface keeps on increasing and we are getting many alerts. I understand that it's an expected behavior, So how we can find the logs filtered for this particular drops or a...

Hi there, I'm attempting to set up ACLs on my VLANs to block access to all other VLANs but allow traffic to the servers and the internet. As soon as I apply the ACL to the SVI it stops new connections i.e. they can't get an IP address from the DHCP s...

I'm getting ready to upgrade an old 5505 this weekend. Looking to verify the upgrade path I've researched. Current ASA/ASDM level is 8.3.1/6.3.1. Upgrade doc shows max level of 9.2.4/7.4.3+. I'm planning on using the ASDM upgrade wizard. I've gathere...

After Upgrade Firepower from version 5 to 6 too many problems. I suggest who wants to upgrade to version 6 to wait until some minor update release. Some problems: 1. Snort crash if SMB File analysis is enabled; 2. Even if you disable inspect on ASA (...

I have attempted to open three ports on our firewall.  Only when I test the ports using an open port checker tool online, I get a response that the ports are closed.  I'm not understanding why these ports are not getting hits or showing open.  Can so...

I have seen the threads on the JUNOS to ASA conversion topics from a few years ago. And now i am in the same spot i need to migrate away from Juniper SRX (thankfully) to Cisco ASA. Does anyone know of any tools out there? Python anything that will as...

I received a used ASA 5510 from a friend, when I plug it in everything comes on but when I log into the CLI I get no output at all I verified the com ports are correct, is it broke? or Do I need to tried and re-image both internal and external flash ...

Hello, We  need replicate the objects names configured on ASDM on FireSIGHT Management module, are there any procedure to import objects names from ASA configuration or with a CSV file?. Best Regards, David

Hello! I have asa 5506x Cisco Adaptive Security Appliance Software Version 9.5(1)Device Manager Version 7.6(1)Compiled on Wed 12-Aug-15 12:18 PDT by buildersSystem image file is "disk0:/asa951-lfbff-k8.SPA" Hardware:   ASA5506, 4096 MB RAM, CPU Atom ...

I'm trying to establish a VPN Tunnel with a remote site. The engineer at the remote site wanted to know what was the Encryption Domain.

The FirePower button is not visible in ASDM (it was originally on the management interface). I changed it to the internal LAN in the CLI, it appears to load at startup but I don't have the configuration button anymore in ASDM and no option to add it....