Network Security

Hi,I am trying to figure out the difference if I issue the command 'failover lan unit primary' in configuration mode of the secondary unit V/S issuing the command 'failover active" from enable modeCF

what is ordering of ability of all mode of firewall? i would like to know which mode has the strongest ability to defend attacks. as i know vlan pair mode is the best one which can defend atomic attack, but vlan group mode can work well in limited...

Hello I'm about to buy an ASA but first i want to know if I can stop DDoS attacks from reaching my network and if this is easy to do. Looking for a Yes/No answer! Sincerely bicobajas Voxility Networks LTD

Hey community, I am failing at a seemingly simple task. The goal is to forward two different udp ports 1195 and 1196 from the outside address of the ASA to two different hosts on the inside but on the same port. These are the addresses used in this ...

In some of the views on firesight the username appears as a number instead of the actual username. Some other views show the actual username.Has anybody seen this behavior and know how to correct it? 

I'm sure I already know the answer to this, but is it possible to manage or at least have alerts from Open Source Snort boxes roll into Defense Center?  We have quite a few Snort  boxes using ET PRO signatures and we thought it would be nice to repor...

what is a possible cause of this log message "Asymmetric NAT rules matched for forward and reverse flows; Connection for icmp src.." This log message was appeared when i was try to nating from inside to outside,  Please help .. Notes: -ASA 5525 -Cisc...

Looking for some direction with a problem I am facing. Environment: ASA5550 8.2 3 interfaces: campus 10.0.0.0/24 branch1 10.0.1.0/24 vendor 192.168.1.0/24 The FW on the other side of our vendor interface only allows IP's in from our campus network....

I have an ASA firewall (inside interface ip=10.15.15.1 and outside int=192.168.3.1). DNS server is seating on the inside of the ASA. All PCs inside are able to join to domain but the ones outside of ASA are refusing to join to domain. The PC's can ac...

I am having a issue to undertand the NATTING in ASA, below is the issue which i am having as of now. getting drop:- can you please go through it and let me know what can be the issue packet-tracer input outside tcp 166.77.235.144 2020 166.77.174....

Hello, Here is what I am trying to acomplish and all of my searches are turning up empty which usually means I have my head wrapped around it the wrong way. Here is what I am envisioning:We currently have a ASA 5510, port 0 is connected to our ISP wi...

Hi , I am facing flash space issue with my FWSm and want to delete the asdm image from flash to free up the space. But my vendor says its not possible to delete the asdm image from fwsm. Please if anyone have come cross this ? Let me know if any meth...

the outside ip address of the ASA is 192.168.125.250 /22 inside address of the ASA is 192.168.0.40 /24 I want to configure: static port translation NAT from tcp port 5902 on the outside to host 192.168.0.10 tcp port 5902 on the inside static port tr...