Network Security

We have a couple of IP addresses listed in the logs as Source IPs that we do not own and we are trying to figure out if theres some sort of reporting issue or deeper dive we can do. Attached is a copy of one of those events. 

I have a File policy set to block various files and have noticed some interesting behavior when testing.   I am testing between a site to site vpn by transferring a one note document between my workstation and a server. (both have a file policy to bl...

We have purchased a new 5506-x with FirePOWER and I having a bit of a hard time figuring out how to set this thing up. In the past I always used ASDM or the regular CLI to configure everything, but it seems like cisco have done something different he...

hi, i'm trying to troubleshoot an active/standby FW pair but not sure if there's nothing really wrong with it or if standby will pre-empt as active (don't want to do this yet). i already rebooted the standby FW but it still shows as 'failed' is it be...

ASA5505, ASDM 7.5(2)153, ASA 9.1(7)   I have tried multiple times, but I simply can't figure out how I can get it to work properly. Situation is as follows: One Public IP on the Outside and multiple clients and servers on the inside on a single subne...

We are working a proof of concept in the Azure Cloud and I am running into a few issues using the Internal Load Balancer that Azure offers.  I have been informed by Azure support that their internal Load Balancers will drop any traffic with a public ...

Hi everybody, i'm very new at ASA and firewall and i have trouble configuring an ASA 5506 for the first. I need to add the firewall in an existing network so i have decided to put the firewall in transparent mode. I can not have internet access from ...

Ive been trying to test database access for FMC but when i try "java Installecert FMC Ip address" it gives me timeout error. Anyone have this working? FMC version 6.1 Thank you

i have an ASA 5508X, with firepower module, licensed URL filtering. I have multiple URL filtering rules configured via ASDM. I have a syslog server working and the logs are correctly created.   I want to enable logging of all visited URLs from all IP...

Hi Experts, I have received several questions from some customer regarding the new FP data sheets, and I am hoping to find some answers here, First: Here is Cisco official statement "From preliminary testing, we’re seeing minimal impact on large pack...

Hello,   First of all, what exactly is the process "Unicorn Admin Handler"? Second, why such process could be cause such a high CPU usage in my ASA 5515?   Here is some output: # sh proc cpu-usage non-zero sorted PC Thread 5Sec 1Min 5Min Process 0x00...

Hi all, am having 2 issues as below: am having asa 5508-X  ver 9.8, some of the Lan users have to reach internet via outside (OK) interface and some via dmz2(not OK). Default route is via outside port. Lan users that go via outside port are determind...