Network Security

Good morning everyone,I'm having an issue with a cloud provider that will not allow traffic to be initiated from their end on a certain SA.I did the debug 1(27) and see my ASA reaching out and them essentially timing out. I've read about this and eve...

ASA 5545 with firepower services, AD user based url filtering is not working properly. Ip based url filtering is working perfect.Moreover Https websites are not blocking.Both Firesight Management center and firepower services are running version 5.4.

Hi,So we are getting emails from HBO complaining about the illegal download... Hopefully that I am not the first one having the problem but I need to know the inside/real IP based on the public IP and port number and a specific time that were provide...

HiWe have a client that is experiencing some interesting Email issues.When they receive email from a cloud service like Google mail or Hotmail or yahoo mail they do not receive any attachments greater than 2 meg.If I send from our onsite exchange ser...

Hi Experts,Good Day!I would like to seek for your assistance how to mitigate some vulnerabilities in my ASA with CX. I perform vulnerability test using Qualys into my ASA with CX and it hit me with a vulnerability named "TCP Sequence Number Approxima...

I have a Cisco ASA 5505 8.2.  I just wanted to do a straight forward configuration for now to allow the internal network to access the internet.  I have no rules in place, only the basic configuration and nat.  I have nat_control turned off and here ...

I have a Cisco 5520 in the LAB, and every once in a while the fans start to go very loud for about 2 minutes, it is running the latest IOS, is it normal or the fan is bad? any solution to make it silence while running?  thank you so much.

Hi Folks,              I am observing packet drops between the interfaces of ASA firewall. In other terms, I have PC-A on Vlan-48 associated with the physical interface Ethernet 0/0.48 and PC-B on Vlan 52 associated with the physical interface Ethern...

Hello Everyone, I am installing new firewall 5515-X with firepower services. i setup the firewall with inside and outside network and i am able to access the internet and everything works fine. Now i enable the firepower services using "session sfr c...

Hello Everyone, Just a simple question.Can i set more than one snmp-server community using an ASA running on version 9.2?I already have one community configured, like:snmp-server community TESTsnmp-server host management X.X.X.X community TESTI'd lik...

Hi all,This is probably not a specific firewall issue but as it happened on my firewalls I thought I'd post here.I have 2 ASA5555-X firewalls back-to-back connected via a redundant pair of GigE CAT5 cables. I've configured both firewalls with a redun...