Network Security

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...

Hi All, I am facing a problem in NAT. We have done below NAT. nat (IPLC-IN,OfficeNet-OUT)  source static obj-10.1.146.67 obj-59.160.46.182 object network obj-59.160.46.182 host 59.160.46.182 object network obj-10.1.146.67 host 10.1.146.67 but it is n...

What is different between Cisco Firepower Managment Server and FireSIGHT systems. I think we can adminstrate the cisco firepower 8130 appliance using Cisco Firepower Managment Server.Please clarify any one.   Can I implement cisco firepower 8130 app...

can you tell me what is it mean and how can it get sorted out Dec 03 2015 04:08:43 NJSE-CORP-ASA5585-1 : %ASA-5-305013: Asymmetric NAT rules matched for forward and reverse flows; Connection for icmp src outside:166.77.235.144 dst inside:166.77.174....