Network Security

Hi,any advice on real-world performance of an ASA 5505? I have run into crash-and-reboot issues with my 5505 after setting up a pretty big ruleset. The ruleset is created by a script (http://stefan.gofferje.net/it-stuff/cisco-systems/201-block-a-whol...

Hi All, I am having some difficulty with what I believe is a NAT issue.We have a Cisco ASA 5520 that we have a large amount of sub-interfaces on.Some of these sub-interfaces have public IP address ranges, whilst others have private IP address ranges....

 Guys, How do I achieve this port forwarding on ASA 5505.. Here is the situationI have one host on inside lanHost IP: 10.0.0.9Outside ip: 65.65.65.100 (just an example) So if a user from outside ssh into port 65.65.65.100:557, I want that traffic to ...

Hi All,We have a Cisco ASA 5505; we have just upgraded our internet service with Comcast and with the information they have sent me, I'm not sure how i would configure our ASA with the two different subnets on the outside interface.This is what they ...

I have an ASA 5510 running 8.4(4)1 here is what I am trying to accomplish.Setup.....internet --> ASA ---> core switch and connected to core switch is a Meraki MX60 that will be a VPN concentrator for some Meraki Z1's What I need to setup is port forw...

Hello guys,I'm enabling a cluster of ASA 5520 and after insertion of the appliance 3DES key was with ASA 5510 features For example, the interfaces are FastEthernet and GigabitEthernet rather than as native appliance. See the "sh ver":ciscoasa# sh ver...

I have seen lots about this, but none seen to match my issue. I have an asa5550 with and inside, outside and DMZ network, hanging off the Inside i have an asa 5505 with my dabase network.I can get to me db net from the inside, and via an outside nat ...

     Any notes for IPS configuration ,Its licensing terms .

Hi all,I would like to know , how can i allow the Windows 7 Remote assistance in firewall.Our scenerio is that we are using the ASA 5510 between two sites and after firewall dployment , our helpdesk staff is unable to use remote assistance between si...

Hello I have a problem with a nat rule, I have setup a device(Video Conferencing) on the DMZ that needs to talk to the internet.The nat rule is just a normal setup nat (DMZ,Outside) source static obj-192.168.69.125 obj-172.16.69.239there is only one ...

Hi All,I have configured ASA 5520 for 3 Networks & one ISP.1>   Official proxy 172.16.1.0/242>   Guest ( SSID) on controller  network Office Area 10.156.250.0/243>   GueSt ( SSID) on controller Network Accomodation Area.10.156.249.0/24From accomodati...

Hello, I would like to accomplish following task :  I have some DMZ zone on ASA. It has access only to internet, not to inside network. This is network used for visitors.I would like to perform nat from inside subnet to DMZ and then from DMZ to outsi...

Hi AllOne of the companys I work for has 950 rules on the firewall, would you consider this excessive ?The rules are a mix of application, and then rule allowed by siteHow best is it to manage a rulebase, should be manage it by application, and then ...