Network Security

HiOne of the Pix at our customers faced an interesting problem lately. The customer reported that at times they cannot establish legitimate connections from one segment to the other, effectively the firewall is not passing any traffic at all.We notic...

Hello,I have an ASA 5510 that has an upgraded license to include support for 25 SSL VPN peers. I am wondering if it is possible to go back to the default of 2, and get rid of that license.There are a few reasons for this, mainly becaues the second f...

I want to set up my VLAN interfaces for failover monitoring. These VLAN interfaces are off the inside interface. The inside interface is being monitored. Currently, by default the VLAN interfaces are not being monitored. These VLAN interfaces are...

Sylogs show that Cisco 5520 tears down all ICMP connections coming from one to another internal VPN tunnel host.VPN tunnel addresses are assigned through Address pool172.16.8.0/24 For example, once VPN connection established host 172.16.8.1 cannot pi...

Hello All,I'm playing a bit with an ASA and I came across a silly problem. For some reason there is an implicit ACL that prevents me from connect to tcp port 443 on the ASA hence no asdm.Does anybody ever had the same issue?I'm trying to find where t...

Is there any way when logging into the ASA via an SSH session to change the TACACS password on the ASA itself, for instance, if the account on the ACS server has an expired password, or if its a new account and requires a change of pw upon first logi...

Hi all.One of our customers has an asa 5505. We have 4 remote sites working fine (the remote sites have 1841's with the security pack, and have all formed tunnels in OK)We'ev visited our last site to be configured, set the router up exactly as the ot...

Can anyone tell me as i have I recently added an inside router to connect a second inside network to my PIX Firewall. Users between the Cisco Secure PIX Firewall and inside router can get to the Internet just fine, but they cannot talk to this new, ...

Just migrated a Cisco 3000 VPN concentrator to an ASA5510. Avaya Softphone worked fine through VPN sessions on the 3000. Now on the ASA I'm loosing call controls and at times answer a call and have no audio at all. I don't see anything in the logs ...

I understand how IDSM-2 redundancy could work having two 6500's...but what do you do when you are doing inline vlan pairs and the IDSM-2 fails and is no longer there to bridge the vlans together? How can the switch be setup to bridge the vlans in th...

At the moment my support organisation use the cisco vpn client on their windows pc's to provide remote support to our customers. I want to know if there is a solution from cisco that would support nialing up the 30 connections all the time without ha...

Hi,I have a situation where single ASA needs to be connected with 2 core switches. Users will connect to this ASA via VPN & access Internal servers.In ASA we have inside n/w routes.My question is: If i connect this ASA with 2 core switches how will i...