Network Security

Hello community,   I'm looking to get more into writing HEX content for faster detection and alarm accuracy but I don't know the best HEX editor to use. Does anyone has any good recommendation?

So long time lurker, first time poster. These FTD firewalls are making me feel like a greenhorn again. I've slogged through the initial configuration, have interfaces and etherchannels finally working... but cannot for the life of me configure access...

Hi Everyone, I've been given a curious problem to solve and I'm completely stuck.. We have 2 sets of firewalls, set up as pairs to load balance incoming Anyconnect VPNs. On the primary Firewall in each pair the clients connect ok and send/receive tra...

Hello Everyone, I am preparing for the CCNA security certification and bought used ASA 55xx. As a part of this effort I wanted to upgrade the ASA and use ASDM for configuration and administration. However I am getting service contract required messag...

Hello,   So it's a 5510 with security plus. The "speed 1000" command is set on Eth 0/0 and eth 0/1 We lost power today, and until then everything worked fine. no configuration was lost.   Now, if the speed isn't set to "auto" it won't communicate wit...

I have a question regarding ACI migrate firewall lan to ACI l3out for default gateway question. At the moment we are migrating fro our old 6500VSS core (In two datacenters) to ACI multipod core. The firewalls are already on ACI via BD and EPG portmap...

Good Day, This is my first post here and I hope that this is the correct location for this question. There are multiple questions similar to the question I will pose. I have searched for hours and found nothing that answers what I believe to be a str...

It is my understanding that in a HA pair of ASAs the interface MAC addresses used are taken from the primary unit.  How/where does the secondary unit store these MAC addresses if it becomes the Active unit of the pair? In the event of a Primary unit ...

hello Community,   In a H.A. scenario with 02 x appliances 5516-X and  01 x license L-ASA5516-TAMC= (Cisco ASA5516 FirePOWER IPS, AMP and URL Licenses), i understand that I need just one license for this cluster. Is it correct?

Hello,     I'm new to the community and hoping someone can shed some light on my issue. I have a leased line coming in to connect two sites,  Right now I have an ASA 5508-X that I'm preparing to use for one site.      The sites are set up as follows:...

Dear All,   I have a doubt on working with timeouts and state table.   Below is the Same output   ASA# show conn protocol tcp101 in use, 5589 most usedTCP outside 10.23.232.59:5223 inside 192.168.1.3:52419, idle 0:00:11, bytes 0, flags saATCP outside...

Hi All,   What would be the easiest way to refine/analyze traffic in a ACL "permit IP x x". We want to know what kind of traffic actually is within this ACL. The ACL gets about 1000 hits a day.   I've already setup NetFlow but i'm seeing more data th...