Network Security

This is really a weird one.  I have a VPN tunnel, up/online between ASA5525-X and ASA5505.  The problem I'm experiencing is on the ASA5505 side. The protect network, these are not actual adresses, 192.168.1.0/24. Very small 4 host that are statically...

Hi,I want anyone able to get an IP address from the corporate network, that does not have the Proxy client on the machine, to go via the Proxy web site when using www or https. I have a router facing the ISP and the firewall behind the router providi...

I'm installing a new ASA 5510.  I tried to configure a simple setup and get that working before I deal with DMZ and VPN.  I can't even get our internal subnet to access the internet on the outside interface.  My internal subnet is 192.168.0.0/24 and ...

I am new to Firewall management and need help with the following ports on my ASA 5508-X Firewall. Thanks in advance! Port Direction TCP UDP Usage 22 Out Yes No Technical Support Services 25 In/Out Yes No Email and ...

Hi All,Can someone explain how the ASA uses the standby IP in a Active/Standby config. I have always configured the devices like this as per cisco design. Tried to look into this further but unable to find a definitive answer. When the PRIMARY fw fai...

Hi Guys,I just read in the documentation the purpose of the Ping Timeout option in the DHCP of the FTD, in this way, it avoids IP conflict.May I know how effective of this compare of doing IP reservation which is not supported of FTD? Let us say, I h...

I have recently dropped an ASA 5512x firewall in transparent mode.in a network between an 1841 router which connects to the internet and an inside network which is on a class C network. All that i previously  needed was to allow tcp traffic on port 8...

Hi all,I have a 5525-x with FirePOWER module. Around the time VDB update 324 came out we started to see latency issues with office documents. I can see that VDB-324 updated Microsoft WebApp signatures: Web Application Detectors:Reddit: Social news li...

I erased wrongly flash from ASA5520.I have TFTP server and one ASA OS in my computer .I want to send this file in to ASA but I do not know How?Have anybody help me?

Hi all,I just made a vpn site-to-site and everything is working fine, but I just noticed that even if the tunnel goes down for idle timeout expiration ("Connection terminated for peer x.x.x.x. Reason: IPSec SA Idle Timeout"), the tunnel duration on A...

Hi All,I have SSL Policy enabled on some ACs. Everything was working fine for a while until today I upgraded FMC and Firepower to 6.2.3.13 from 6.2.3.7. Our workers started complaining about not being able to connect to webmail. I checked connection ...