Network Security

I am trying to configure NAC L2 IP on a Catalyst 3550. After finishing, nothing happends. Here is my config file. Can someone see a fault in it?Thanks for your helpversion 12.2no service padservice timestamps debug uptimeservice timestamps log uptime...

hi,How can i filter the false alarms coming out from my dhcp server and dns servers. Iam getting a lot of frag overlap signature alarms.Can anyone help me to avoid these false alarms ? Please help.

I have an issue with VOIP over PIX based VPN's. I can make calls from the remote site to central office extensions, or to external numbers. But I can not make calls to the remote site. I have disabled H323 fixup.

This may be more of a sales issue but I need an answer. We were looking at the ASA 5520 with a CSC-SSM module. We have over 5000 users and wanted to license the Anti-X services accordingly. However, we were told that the 5520 has a maximum license li...

I have 2 IP addresses from my provider, 1 is issued via PPPoE (static) the other is static as a NAMES. I am having issues with a Win2k DNS server behind the PIX communicating with a replication partner on the outside which is on a Win2k3 server. All ...

Hi folks,I want to be able to debug various issues using the debug commands.However when ssh'd into my pix and put term mon on I get a lot of built and teardown tcp connections entries displayed without any debug active.Logging set to as followsloggi...

We are experiencing problems with a PIX 515e firewall V7 software. The PIX sits at our central site and handles s2s VPN's. When a remote VPN user to send information through the PIX to a central server we receive a sporadic error:No route to (Exter...

Hi all,I'm probably going to log a TAC call for this, but on the off chance that anyone knows...I'm swapping out a Checkpoint unit for a 515E. The Checkpoint acts as the proxy server for web access for all of our users. If a user wants to see, for ex...

hello, i need an help to configure my ISP scnerio, in our scnerio Perimiter router is connected with pix out interface and pix in intrface is conected with switch and Servers are DMZ on third interface on the other hand switch is connected with other...

I wonder whether any of the experts in this group can help me. I have three sites (a 'central' one, and two remotes), each with a single subnet, and that are interconnected with a PIX-PIX IPsec VPN mesh. The whole thing has worked flawlessly since o...

Hi,I'm having issues with a connection between a VPN 3000 and a 877 IOS router.Trying to connect a remote 877 L2L tunnel to a VPN 3000 Conc for voice traffic and a PC C2L connection from behind the same 877 remote site to the VPN 3000 Conc for data t...