Network Security

I have ASA 5510, i tried to login to it by telnet, but it seemed to refuse the user name and the password.When i restart the ASA, it accept login with same user name and password, then after a while same problem occurs again.So, if you please, what c...

Can Any one help me i am trying to configure my Cisco Pix firewall 515e for publishing the web server.My config file is attached.I cannot access the webserver from the internet.Also i have configured the default gateway of the webserver to point it t...

Hi, I ran into a weird problem today. I am setting up ASA for a retail company. all the sales locations has ASA5505 version 7.2. A q-see webcam system is installed in each location. a manager at any location can monitor any remote one. the camera sys...

Hi, I have configured RA VPN in ASA 5520 running 8.0(2). The vpn gets connected from both a PAT & a NAT source but host access over this VPN only works for connections from NAT source and not any PAT source.Hope I am able to clarify the issue.Pls he...

ASA 5520 running ver. 8.0(3).Here's the basic config:global (outside) 101 interfacenat (101) 0.0.0.0 0.0.0.0static (inside,outside) xxx.97.65.5 10.75.244.241 netmask 255.255.255.255If I remove the static line then I send get to the Internet on 10.75....

Hello,I am trying to replace a Linksys WRT54G with a ASA 5505.I am trying to replicate the port forwarding of ranges (UDP/TCP) to specific hosts that is offered by the Linksys product.I have been searching via Google and this forum for answers to how...

I would like to issue TCP resets thru promiscuous interface of cisco IPS 4240. As per the current setup (which is explained in the attached drawing) there is only one vlan between firewall and switch and its working fine with following configurations...

Greetings,Currently my customer has a L2 OOB VGM deployment for the users inside the campus network.The customer is opening new branch offices and wants to use the same NAC server for those office (NAC centrally deployed).I would like to get some exa...

HelloSomebody knows if there is a problem with the traffic or services on the internet when i add two route defaults with the same metric doing load balancing for each packet on the ASA5520??This is the configuration that i have added on the Firewall...

hi, I have been noticing this issue of the ASA not able to assign ip address to the RA VPN clients from its local pool. The same config used to work without any issues but suddenly it has stopped working. Earlier also I faced the same issue but got i...

Dear All Expert,Did you know ASA 5505 it has idle connection or not? ( i mean if i do VPN site to site when i don't do send any packet to source to destination the connection it will idle or not ?if it will idle, which command that we can disable idl...

If an ASA has lan failover and statefull crossover-cables connected without an intermediate switch. If one ASA goes down the other asa senses two links are down, will this be an issue ? In the cisco the second edition of the firewall handbook it is a...

Hi, I'm trying to configure ZBF on a 2811 router with a site-to-site VPN with GRE Tunnel. But, when I configure the Firewall, the tunnel stops. I've tryed adding several protocols like isakmp but it doesnt' work. Does anybody know which protocol to a...