Network Security

I don't have much experience yet with ASAs but I thought the int vlan command should be available? It's an ASA 5512-X with IOS 8.6(1)2, should I upgrade to the newest 9 version? Also, there are rj45 interfaces and SFP interfaces which are numbered Gi...

Hello everyoneI setup the ASA nice in my lab after i test the config for outside in (dhcp y static ip) but after I installed and configure with the public IP address I can't go outside or cominicate using inter vlan-routing but I can ping and access ...

Hello guys,I have an ASA 5550 for 3 years, it's been working great. I was wondering how do I detect if I'm under DDOS/SYN attack from my ASA (ASDM or CLI)? How to mitigate the attack? Thanks.

All,I've got a situation with Facetime and iPhone 4. The problem is that a user from the inside on our corp wireless can initiate a facetime session with someone outside of our network with no problems. The same user can't call a user on the inside o...

Hi AllI am hoping someone is able to help me with the following, I have checked the Cisco site to no avail.We have a requirement to disable H323 inspection on a set of access-list  on the Cisco ASA firewall for a video conferencing solution however t...

Sorry to ask this if it has all ready been covered.  We have an asa 5520 running 8.3.2(1) code.  Three times now I have entered code and rules in our asa and had things working, only to have the code "dissapear" and thus things stop working.  We upgr...

Hi!I am probably doing something remarkably dumb...I just can't seem to fix it.I packed up the 5505, plugged everything in, got an IP (the 5505 responds to ping) but I get a timeout when trying 192.168.1.1/admin. I tried using W7/IE and Chrome book/C...

                   I would like to block non-stateful unsolicited echo-replies from entering inbound to my Cisco 5550 firewall.  I received the following advice to configure: policy-map global_policyclass inspection_default   inspect icmp   inspect i...

Hi there, please forgive if I have missed any forum protocols as this is my first post.I am trying to configure Anyconnect SSL VPN. I am able to connect to the VPN on a laptop, witch is able to download the anyconnect client from the ASA. I am unable...

Hi there,I Have an Cisco ASA5510 V9.1 with several VLAN's. One of the VLAN's (VLAN7) is an Guest Network.I want the Guest network only allow specific protocols to the outside interface. For example only allow http,https,pptp.Another question is to li...

Hello,We currently have a Cisco ASA 5505 which was working fine for a while with no issues. On Friday we could no longer access the internet. Did some troubleshooting and could not find any issues with our hardware. We also have the ASA configured fo...

Can someone shed some light on this?  This is the first time that I have ever worked with a Cisco device and it is showing.  From tutorials, I have my inside accessing the internet and a couple of webservers are accessible from the outside.  If you a...

Good day.Today, i've noticed strange issue, while configuring nat in ASA 8.4I've local router (ip - 10.0.102.2) - which is connected to ASA (locainside - 10.0.102.1). Asa is connected to ISP (outside - 172.16.1.2)interface Ethernet0/0 switchport acce...