Network Security

FMC 6.2.2  FTD's 6.2.2   We have a custom HTTP Block Response Page which does what it is supposed to do.  However, we don't want that custom block page to be displayed outside of our network/Intranet.   So, the Block Response page is a part of the Ac...

Trying to block icloud.com/mail It's blocked if I go to http://icloud.com/mail, but https://icloud.com/mail is allowed. I tried to block URL https://icloud.com/mail, but no go. Would the firewall have to be configured for SSL decryption to block this...

Hello guys, I am new to network monitoring and using snmp based monitoring for asa 5506x ,5524 etc. Could you please guide me what are other critical performance parameters which should be monitored apart from cpu,memory, and hardware monitoring.

We have an ASA failover pair but they are in two locations. The failover link goes through two switches (one on each site). As the most likely reason for a failover would be a power outage on the site with the active ASA, I was wondering if the failo...

Hi,   We have been using the ASA5506-X in our products for a while. With Security Appliance SW Version 9.6 we have not had a problem. Recently, we are getting firewalls with version 9.8 where our configuration does not work. We configure one of the i...

Hey,So I am setting up an ASA at home, the provider has allowed bridging on the ISP router so I can connect back from the ASA.ASA: 5506 Inside the network I can access the ASA via ASDM/SSH. From outside I cant. HTTP and SSH has been allowed  from the...

I’ve been trying get to work for over a year.  ATT came out with this document.  Any suggestions on how to implement this would be appreciated. https://www.att.com/esupport/article.html#!/wireless/KM1114459 

Hi, I need to allow internet access for internal client for facebook access and need to build NAT on FMC. I did many times source NAT for internet access on other firewalls but not sure nat. type on. FMC. I can see client url traffic on fmc but there...

Hi Everyone,   I am trying to deploy an ASAv but its not working out as i thought. I have a standalone vSphere Host 6.5U1 and ASAv 9.83(8) VMware OVF Package.   I couldn't simply import via vSphere Web Client so i had to use OVF Tool. Below is the co...

I seem to have this strange problem with ASDM on one of my ASA5515's in the pair, the standby unit does not have the problem I am about to describe. ASDM was working just fine then suddenly I am unable to connect to it on, only on the Primary, the Se...