Network Security

Hi,I have a problem with random host's geting the wrong source address on a ASA 5512-X 8.6(1).Right now there is a host, 192.168.25.108, showing up with 6.6.6.6 (fake) on whatsmyip.org, should be 5.5.5.5 like the rest of 192.168.25.0/24.In the xlate...

Hi GuysI am trying to lock down the VPN access on my Cisco 5520 ASA's whereby I wish not to allow users to SSH access etc on servers running on the same interface that they are VPNing into.I did not originally configure the ASA and so I am slightly c...

Hello,I am working on adding a mapping to our external address for our mail server - let's call it mail.example.comI would like to be able to access mail.example.com internally for our user's smartphones - if they access our company WiFi they are not...

Hi,I am faced with a challenge with a setup which was previously running in a flat network without a firewall. They had a proxy server running which did NATTING for them on the WAN interface whereas the LAN segment was plugged into the LAN interface....

Friends,Any one has succeeded in simulating ASA 8.2(not ASA 8.02) in GNS3 ?I see some are very close in getting it running on GNS3...http://www.gns3.net/phpBB/topic2704.htmlPlease share your thoughts and info on this.It would be very helpful.

Dear Experts,In   my organization , we have Cisco ASA 5540 that is configured with the   remote access VPN profile. The Remote VPN is configured in such a way   that the user authentication will be through Microsoft LDAP ( AD   server).Currently   th...

Hi,I am facing an issue with OSPF running over cisco ASA.I have 2 sites, on both site I have a cisco ASA and a router.The 2 ASA are connected via a tunnel.The 2 routers via a leased line.On all devices I am running OSPFNormally traffic is going via l...

We run a Cisco ASA 5510 and i need to find out how i can find the receving end on the inside of a vlan for traffic comming from outside.ie incomming traffic on port 3937 and are NAT to eth 0/1.10 Thers a bunch of traffic on one port 33771 udp going i...

We understand that both Units has to be of identical hardware and software, however we are unsure about the licenses between both.We are running 8.4 version. According to cisco document: Prerequisites for Active/Standby Failover:Active/Standby failov...

Hi,How can i check the hits in a firewall with respect to a given IP.i want to check whether my network is hitting an ip (say 10.10.10.10) , what is the CLI command to check ?

Hi, i've got several problem. The goal is to reach port 8888 from outside to inside my lan.my config is simple, asa inside : 192.168.1.0/24, outside dhcp by fai.inside to outside all is ok.internet ping to outside interface is ok.But internet to conn...