Network Security

Hi all, I use port-security mac-address with violation shutdown. This is very usefull for all computers in a classroom. But I have Laptop authorized and this one is could plugin into another port of the same switch. So I could define this mac on ano...

Hello Folks! Is my first time that I´m configurin DMZ on ASA. I create a interface with security level 50, my outside is 0 and inside 100, All intefaces with diferent IP range. Based on security level the inside should be able to talk to dmz, but is...

I configure a AD client to Cisco Firepower, bus it don't connect. Message error:

All, I have been attempting to identify which FireSight/Sourcefire rule(s) cover a particular CVE identifier.  The CVE information is often found within a particular rule, but I have not been able to discover any way within the Defense Center to sear...

Hi Guys I will be asking alot of question in the coming months, forgive me, trying to get into the security field. If a user asks for ASA-fpwr-k9, and thats it. these users are from different countries so i cant go and spec their environment. I wan...

I have a Sourcefire implementation with FMC 5.4.1 and an ASA 5506-x running firepower 5.4.1. I have configured a file policy to inspect all files and have an access control rule that does cloud malware lookups, including sphero and dynamic lookups fo...

Hi, were experiencing an issue where our speeds are slow and were getting the folloing in our log files... I assume were under some sort of attack, but im not sure what to do about it. No matching connection for ICMP error message: icmp src Outside...

Hi all,I have been directed here from my previous discussions on the UC500 forums https://supportforums.cisco.com/thread/2235187 as it is thought my issue is more ASA than UC500...Fundamental problem is I can't get the SIP trunk to register, however ...

Hi everyone, Not much information to share here other than this Cisco ASA 5520 does not boot. Haven't had a chance to check the flash yet but from what I know, I would expect *something* to show up on the console during the boot. Any suggestions as ...

Good morning I need to implement some logging for ssh session disconnection or administrative user disconnection. Something as "user johndoe has logged out out" or "ssh session from user johndoe has being disconnected". Usually it happens due to a s...

Hello, I have an ASA 5515 where an interface is connected to a router whit 2 different networks defined 192.168.1.0 - 192.168.168.2.0 The interface configuration is the following: GigabitEthernet0/0 81.77.10.200 YES manual up up outsideGigabitEthe...