Network Security

I just found why my lookups take so long. My ISP has changed their DNS servers to a dynamic config so my servers are no longer valid and I don't know how to configure my asa5505 to do dhcp to automatically get the dns ip's.Any help much appreciated.

the site to site vpn traffic is blocked by the "serverzone_in" access-group. what could be the problem

Hi All,[ASA 5520, version 7.2]Any help is appreciated. Users access Outlook WEB Access (OWA) via Cisco ASA WebVPN. Within the emails, if there are links to other sites, clicking on the links will not work. On the rewite rule in ASA, there is a defaul...

I have the following issue with the management interface of an ASA5520 running version 7.0(7).I'm currently using two contexts in transparent mode.The management interface is currently assigned to the admin-context and is physically connected to a ca...

I have an ASA 5510 Security Plus Appliance which enabled with Remote VPN access. I faced a problem is that my VPN users using IP phone communicators are unable to talk to eachother. Only when i enable the option < to allow traffic from two or more ho...

hi,the new 6.1 IPS ios has a new feature which is the auto update directly from cisco, but it seems its not working, i have entered my correct username and password , but the site already put by default for auto update seems to be not working.anyone ...

I'm trying to block java and active-x on the ASA, I do want to enable it for some hosts to some sites. Is that possible?The config I have which is not working is this:filter java 80 10.10.10.40 255.255.255.255 0.0.0.0 0.0.0.0filter activex 80 10.10....

Hello -If I only purchase one CAM, is there a way to backup/restore in case of a failure?Thanks!

Hi,I have cisco ASA 5520.It was working fine without any problem.But from yesterday it is rebooting automatically after every 2-3 minutes.I have remoed it from network and check it at that time it was not rebotting.What might be the problem?is it any...

Hello, I have a FWSM and I have problem with Oracle server. The FWSM throws down the connections with Oracle server (port 1521). I saw something message with this problem, but I haven't clear the solution.Please, someone can help me.Sorry for my bad ...

After we upgrade from pix 7.22 to 8.03 we are no longer able to connect to the pix through asdm or ssh when connected via an administrator vpn tunnel. Any ideas?Thanks

Hi,The following are from syslogs on ASA5510 firewall. Are the following TCP sessions being spoofed in the SYN phase?07:40:25: %ASA-4-419002: Duplicate TCP SYN from Inside: 192.168.1.170/3229 to outside:82.42.69.140/4219 with different initial seque...

Hi,I am trying to set up a Site-to-Site VPN between ASA 5510 and a number of PIX 506E and PIX 501. The PIX 506E at the Headoffice is being swapped with two ASA5510 configured in Active-Standby.I created the L2L VPN on ASA with the ASDM. But I couldn'...

Hey guys,I just upgraded my ASA 5510 to 7.2.4 and all went good. However, I havent done anything with regards to the SDM.... do I need to download the latest files for this too?what will be a great link to follow on how to properly upgrade the IOS on...