Network Security

I have a pre-8.3 NAT question. How would this config look like in ASA 9.1(6)?name 192.168.100.0 lan description Internt Vlan1name 172.20.21.0 vpn description Vpnklienter vlan1global (outside) 1 interfacenat (inside) 0 access-list nonatnat (inside) 1 ...

Host yy.yy.yy.80 is a unique /24 range on a perimeter ASA (VPN/DHCP). Host xx.xx.xx.29 is a unique routable host behind the ASA5505 (logs below).  The router in front of this ASA has one path to the ASA VPN, so I'm positive it is not a asymmetrical r...

Need help in configure Load balancing on ASA 5545-X with Firepower service between 2 ISP ...

We have purchased new cisco firewall 5525-X. As per Cisco we can configure multi context on firewall. But here we are using it as a standalone firewall. Can we configure firewall in ACTIVE/ACTIVE failover even if we configure it as a standalone firew...

hi everyone I have ASA 5505 ASDM version 6.4(9) ASA Version 8.4(4)I'm trying to open some ports in order to access our server RDP port 3389 but I'm not able to do it in this version I tried many methods below is a snapshot of my last configuration, a...

Cisco ASA 9.1(1) I have defined a public server.  Ping from outside fails.  Packet Tracer shows the following:What is going on here?

Hi there,  I tried to block all P2P traffics on ASA5525, but the ACL that i was configured is not working well.is anybody here give me some help ?  Thank youBest regards

I use the packet tracer a lot for testing things like NAT and ACLs.  But sometimes I just want to see everything flying through the firewall like I'm looking at The Matrix.  If I choose monitor -> debugging I'm thinking I should see EVERYTHING going ...

how to fastly troubleshooting which access list rule drop specific traffic from ten thousands of rules?

Upgraded from 4.7 to 4.8, every time i go into configuration manager then it displays jumpstart page, if i close that down there are no devices shown the button doesnt respond to being clicked and we cant add devices. policy bundle respondspolicy res...

HI Everyone, Please help me on below problem R1's Loopback(1.1.1.1)==R1(10.1.1.1)===inside=====ASA transparent firewall(10.1.1.10)==Outside====R2(10.1.1.2)==(2.2.2.2)R2's Loopback. I am able to telnet from R1loopback to R2 loopback. i am unable to te...

I had a working ASA 5505 a few months ago (shut it down until recently) and now I'm trying to get my ASA to work and now it only boots into ROMMON and cannot tftp into my tftp server which has the IOS on it. I've tried moving the IOS onto disk0 and i...