Network Security

Trying to do unidirectional NAT on certain server from outside, different unidirectional NAT when server goes outbound. I found for 8.3 and later. I will appreciate if you have any information on this.

I've recently purchased a dedicated hosted server from OVH. With it, I purchased a Cisco firewall that can only be put into transparent mode. I have been unsuccessful in setting up the firewall, as when I enable it, no DHCP or DNS are allowed through...

A location I support internet has suddenly just stopped working out of the blue when connected to the firewall. Setup: Router is in bridge mode that connects to the firewall which handles everything else (providing ip/dns/internet access etc..) It wa...

After command clear route, all timers just continue, there is not actually clearing the routing table... This is happening on two different boxes: pair of ASA 5520 and one 5505 ASA... I presume it is happening on all others too, but I don't have this...

I am trying to enable Https for the nx-api’s running on nginx server on cisco switch.  Now in-order to generate SSL keys for this ideal way is to use openssl. Now openssl is not available on Cisco switch and few manuals suggests to run openssl comman...

My FirePower Detects A Network Trojan on my Controller domain (A Network Trojan was Detected). Event: INDICATOR-COMPROMISE Suspicious .pw dns query (1:28039:5) I have destination Ip addres (194.85.129.80) I already have read about this intrusion even...

Here's what I'm trying to do, but I'm very new to the Cisco ASA platform and am very confused: Perform pre-VPN NAT (or twice NAT) for source addresses in 192.168.1.0/24 to translate to10.56.196.0/27 before the VPN tunnel when the destination is 139.X...

Dear Team, I have ASA Firewall 5515-X Firepower ver 9.2.Currently we planning to move our existing ASA 5510 to ASA 5515-X ver 9.2.We are using two different subnets of same ISP.The same setup was working fine ASA 5510 ver 8.2.But when we deployed wit...

Hi Experts, I am trying to change the time zone for the firepower from ASDM and it is not working. it has been set to New YORK and there is no hyperlink to click and change it. please support. thanks, Haitham Jneid

I currently have a Static Nat Object set to port 443. If someone tries to access this Object IP address on Port 80, is there a way to automatically redirect them to Port 443? (Only for this particular server) Thanks

Can I share a vlan interface between a routed and transparent context on an ASA? why I need it; the customer wants to mirror traffic from an internal vm connected to the routed context network, and then mirror everything in/out of that vm to a hardwa...

All,   We are currently using static nat translations on our firewall that map our internal server address to external address. The customer on the other end see traffic getting to them via this external address. The configuration I have is below.   ...