Network Security

Hi all,We use cisco router 2911 as corporate gateway - there is Zone Based Firewall implemented - I upgraded IOS to last version (15.2(2)T1) - originaly version 15.1(4)M1 - to solve issue with Anyconnect connections (bug CSCtx38806) but I found that ...

I've been trying to get my WRVS4400N connected to my ASA5505 on the internet through a Cox connection, but it isn't working.  I cannot get the ASA to be the DHCP server for the wireless router.  I've configured the wireless router as a gateway and po...

We are running a FWSM and have created ACL's for a new Lync install.  One of the rules needs to have port 5061 access from any source to our front edge server for communication.  When looking at the logs I see a hit on the ACL but nothing ever actual...

Hi ALLi have to install an ASA 5505 and i need DHCP for more than 1000 ip addressesi faced a problem when i am configuring a DHCP pool that i con not get more than 256 ip addresss from the dhcp pooldo i have to buy a license or upgrading new firware ...

I hope this is in the right forum.How do I monitor connections to the DMZ port on our ASA 5505 (via ASDM 5.2)? We have a WAP connected to it and it's intermittently dropping connections. Thanks!

We have an ASA 5505 running version 8.4. We are having problems allowing external traffic to access computers behind the firewall. Our current config is:ASA Version 8.4(3)!hostname ciscoasadomain-name default.domain.invalidnames!interface Ethernet0/0...

Hi there,I meet a problem now.  I need to setup static NAT for an inside address behind a router, the config on ASA seems correct, but the connection cannot be established. Topology:   ASA -- 3825 -- 3750 -- serverLet's say the outside address of ASA...

Hi all, Having a CUCM beind the firewall, traffic will traverse public internet and private cloud for voice services.What's the best practice to protect the CUCM and entire voice network to avoid being intrude?thanksNoelp.s : http://www.cisco.com/en/...

Sorry if this is not the right forum.I have attached a config for my cisco 877w which i have now setup and have most things working.I followed the following website (http://http://www.sans.org/reading_room/whitepapers/firewalls/secure-configuration-c...

Hi All,Is there any methods to reserve the bandwith for each VPN Tunnels. ( IPSec Site-to-Site)Thanks in advance.Shijo.

We switched a customer over to VOIP recently and they are having QOS issues when the T1's max. What I found is the QOS policy on the router has not tagged anything VOIP related, IOW, it isnt seeing any EF bits. Somehow I beleive the ASA is not sendin...

Hello All,I have a question about Bridge Groups if someone can help me. So, I have two bridge groups on one FWSM obviously using two different IP Scopes. However I can only have one default route so for instance. BVI 1 - 192.168.1.4 (outside1)BVI 2 -...

Drop-reason: (acl-drop) Flow is denied by configured rule eeror on asaWhen i run the packet tracer i am geeting above eerorPhase 1 is upBut when i excute show crypto ipsec sai am not geeting any resultPlease suggestAs check access-list, transformset ...