Network Security

I doubt that this can be done without contacting the isp, but a traceroute to my network shows the isp private ip addresses.  Is there anything I can do on my ASA to still keep traceroute alive but block the private ip addresses?

Good afternoon, I have just been on a course where I have been configuring Cisco ASA 5510 firewalls, and have returned home to continue practicing, however the 5505 on packet tracer seems to lack the commands of the 5510. Is this the way it is? Com...

I am trying to understand what is required to convert my ASA5512-SSD120-K9 to Firepower for IPS.  I am running in an active-standby.  I currently have the following: ASA5512-SSD120-K9 L-ASA5512-IPS-SSP (IPS Module which activated IPS on my ASA) Smar...

Dear  We have ASA-5585-X-SSP40, currently the IPS is running in promiscous mode and now we want to change the mode from promiscous mode to inline mode. I want to know is there any impact on the traffic of changing the IPS mode to inline mode. Is ther...

Hi All,  If you want to configure a firewall as transparent, you need to have an ip per subnet between the networks it is serving , correct ? if so why this is needed? Arp requests from asa?  if you have multiple subnets through the asa, do you do tr...

I have a pair of ASAs 5515x in transparent mode running active standby, similar to attached diagram, bridging multiple vlans. They have been running 9.1 (2) and I upgraded to 9.5 1 following the proper procedure on Cisco.com. There were then reports ...

All of our Google services (gmail, youtube, google analytics, gstatic (google content server), gchat, play) stopped working a few days ago, suddenly and out of the blue. Been troubleshooting as best I can. Situation is I've inherited an older ASA tha...

Hi to all, I have a customer who has an ASA-5550 (ASA-IOS 9.1.6). They have some servers in a subnet outside of their office. When they connect to these servers, they need that the tcp connection time-out will be about 4 hours.I have got configured t...

Good afternoon! We are quoting 5506X in HA mode. Client needs AMP subscription for endpoints(100) Do we need double subscription to work in HA(2X100)? Or ASA 5506X in HA will share it?  Thank you in advance! 

Good afternoon! We are quoting 5506X in HA mode. Client needs AMP subscription for endpoints(100) Do we need double subscription to work in HA(2X100)? Or ASA 5506X in HA will share it?  Thank you in advance! 

Good afternoon! We are quoting 5506X in HA mode. Client needs AMP subscription for endpoints(100) Do we need double subscription to work in HA(2X100)? Or ASA 5506X in HA will share it?  Thank you in advance! 

Good afternoon! We are quoting 5506X in HA mode. Client needs AMP subscription for endpoints(100) Do we need double subscription to work in HA(2X100)? Or ASA 5506X in HA will share it?  Thank you in advance! 

Good afternoon! We are quoting 5506X in HA mode. Client needs AMP subscription for endpoints(100) Do we need double subscription to work in HA(2X100)? Or ASA 5506X in HA will share it?  Thank you in advance!