Network Security

Can we use an atomic.tcp signature to trigger any event that causes a SYN packet sent to a host? And will it fire if for example we establish a telnet session to the host? (I assure telnet first establishes a TCP session and a SYN should go out at so...

Dear all,As I find NAC phase 1 is available on routers only, and need to wait for NAC phase 2 on Catalyst switch.Then when will NAC phse 2 available/announce?Thanks in advance.mak

We are moving a customer from PPTP to LAN 2 LAN VPN with all PIX’s. This was a recommendation based on a security audit. So, the problem is that most of the remote sites have dynamic addresses (DSL with DHCP). I can’t build a full mesh of LAN 2 LAN V...

I am unable to https to to vpn concentrator. I can access vpn concentrator using http. In the concentrator https is enable. public and private fileter allows https. i have checked acl and it allows my workstation to access concentrator. I have reboot...

About a month ago I upgraded our 3002 hardware clients (3) and our primary 3005 concentrator to software release 4.1.7.B. I had been able to access them remotely (either through the tunnel or over a public IP) using https, even after the upgrade. Now...

Hi,I have installed VMS2.2 with IDSMC and Firewall MCI wanted to know whether itis possible to restore backup of this server onto another exactly identical server (same IP, hostname and config etc).I will be bringing my existing server into offline m...

how i can make sure that VMS that i installed i working correctly?

I'm currently connecting from my remote location to my companies PIX using the VPN Dialer 3.6.6. I have all of the group/user name and passwords. I have purchased the PIX 501. Is is posssible to create the neccesary tunnel settings using the PDM 3.0 ...

I have some standard text files that fail to ftp through the firewall to an ftp server in the a dmz. I have confirmed that I can ftp the files successfully to another ftp server on the inside of the network where the traffic does not pass through the...

Hi,I have Cisco PIX 515-E-UR with 6 interfaces. DMZ2 some times its working and sometimes not. I used PDM to see the status interface and showed as DOWN. Can anybody help me how to troubleshoot this issue. Is there any hardware problem?

I am having trouble sorting through all the information on VPN and PIX 506e firewalls. I have a Windows 2000 server domain controller behind a PIX 506e firewall. When I install the VPN Client software on a remote Windows XP workstation I can get thro...

Can some one please tell me the best way to do 'DNS Doctoring' for internal cleints to reach an Internal DNS server without using the 'alias' command. Thanks for your assistance.Dean

Hi all,I have a PIX 525, version 6.3(1) with 2 interfaces active (inside and ouside)I have a single global PAT for sending out and a static entry for my smtp port on a different address.when I sent email the header shows my PAT(ed) IP address as the ...

I'm trying to impliment this exact senario that Cisco lays out in this article. http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a0080094763.shtmlDocument ID: 15244The problem is, I can't get it to work. I have...