Network Security

Hi,After one year and 3 months without any problems I had to upgrade the ASA 5520 from version 8.03 to 8.04 due to a known bug (tcpmss problem).Everything worked fine with one exception: the Oracle application is not working any more.Whenever I remov...

Dears,i have a NAC manager, and two NAC server appliances and many NME-NAC-K9 network modules on ISR routers.Is it mandatory that all devices are upgraded to the same release, or different releases are compatible with each other.Thanks in advance

Has anyone used the EIGRP neighbor command on the ASA to enable unicast hellos and dynamic routing between two ASAs over a site to site VPN tunnel? I'd like to see if it is possible to eliminate an external router needed to build a GRE tunnel and in...

I have set up a site to site vpn between my corporate 5510 and a new 5510 for a remote office. I set a test public IP on the remote 5510 and used that IP for the peer address on the tunnel. When I receive the permanent IP from the ISP for the remot...

Hi I want LAN to LAN tunnel between ASA and 1800 with FQDN i.e peer=ccde.vpn.com for 1800 and support.vpn.com for ASA rather than using peer ip addresses in 'set peer .. ".Is this possible to use FQDN for tunnel peers ratehr than ip addresses ?Thanks

We have a site to site vpn connection between two asa 5520's which works great for most things, but we have a few servers on each end that we have to ping to establish a connection. Currently we have a batch file written to ping every 10-15 min to ...

I have a ASA 5540 (actualy 2 in Active/Standby setup) connected to the Internet and Internaly a DMZ where I get the traffic from my SecureMobile provider.On remote site I have a Sarian DR6410 router with a ADSL interface and a GPRS/3G int. I have no ...

My remote vpn users (connect to asa5520 for vpn endpoint) get the asa as their default gateway. How do I make our actual core router their gateway once connected rather than the asa? Its causing them some routing issues and connectivity issues to c...

we have a senario where we utilized vpn load balancing with certificates. recently, we are having a problem where when the ssl client tries to go to the url for the virtual ip, it gets presented with the device certificate rather than the virtual lb ...

Hi all,i have to make DMZ in my network already my servers are working in inside network, but now i have to shift these server to DMZ,kindly look at my configuration and guide me with configuration how i can achieve this goal. Thanks*****************...

i have an asa 5505 guarding a single web server. it is running dns. ports 80tcp and 53udp/tcp are opened.the problem is that every once and a while my server sends out a large amount of DNS replies causing it to go over 10000 conn limit (replies to ...

I have just run in to this ridiculous ASA bug where ASDM stops working if uptime is over 1 year.http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCsr89144Could someone please tell me if CSCsr89144 is fix...

hello,i want to know about natting applying from dmz to intranet for security leve is 50 and 90 respectively.now how i can do natting of this condition.