Network Security

I have a SG52P 52-Port Switch with three VLAN's.  Each VLAN has devices on a separate subnet (192.168.20.2, 192.168.50.2, 192.168.70.2) I have had no luck being able to communicate between the three devices although I have followed instructions on sw...

I have an issue where if I use the Cisco ASA as the gateway I can't get to one of my Vlans.  From within the Cisco ASA I can ping the IP and traceroute it but when I open a web browser it will not go.  The only thing that works is changing the defaul...

I just activated multicast routing on a blank ASA and it warns with this message:WARNING: Interfaces part of explicit zone will not participate in multicast-routing Could somebody clarify why it appears and what cisco means with explicit zone? Thanks...

The below does not work. Can't even ping the public address (.196).  But if I change the test to make the source of the internal IP of the PBX an IP on vlan 1 (192.168.7.x) which is not sub-interfaced, I have no problems.  Is this a 5506 bug or am I ...

I deployed an ASAv in Azure to start vetting it as a solution for the edge of out cloud deployment.  According to every doc I can find on it, the ASDM should be installed and working.  However, I've turned it on in he config and when that didn't work...

hello everybody, I have a issue with access the server (use port 80) with the ip 192.168.0.6 after upgrade firewall 5545 to version 9.8.2.28  before was 9.4(1).   The problem is the following:I lose communication to the server every 3 weeks and I onl...

Hi Experts,   I would like your help regarding my issue on my Active/Standby configuration on my ASA.   Here is my topology and configuration below to better understand:     ACTIVE ASA CONFIG   failover lan unit primaryfailover lan interface FAILOVE...

Hi,   I have the following NAT rule for an internal server to reach an SMTP server: nat (inside,outside) dynamic interface   If I change the above to the nat rule below, email is not sent: nat (inside,outside) static interface service tcp smtp smtp  ...

Hello experts ,   I am getting a bit confused with the smart licensing feature. Not sure if i need it or not in my setup.   We are buying 2 x 4120 + 1 x FMC.   Required features : URL filtering , NGIPS , Anti Malware and firewalling.   Can someone pl...

I have a ASA 5505 and ASA 5508x. In reference to the attached diagram. I am looking to fail-over a Public IP B to ASA 5508x through ASA5505. The only reason for this configuration is the ASA5505 is with ISP A and with out paying a huge amount we can ...

Hi All, I have a fresh ASA 5520 with a blank config that I am consoled into.  It has a blank SSM-10 card installed. I am trying to configure the IPS, but every time I do session 1 from the console cable plugged into the ASA, it says "card in slot 1 d...