Network Security

I just replace a clients PIX with an ASA 5510. They weren't using static nats and had all their servers set up with dual NICs. One connected to the internet and one to their inside network. Now that the ASA is in place, they are using static nats ...

I have a strange problem with ASA5505.Some times iam not able to ping the outside interface from Internet and the VPN tunnels goes down.If i reboot the ASA box i will be able to ping the outside interface and the VPN tunnels comes up.#sh verCisco Ada...

Hi,With regards to NATs on the Pix, i know you can set an embryonic limit, but how do you know what to set this figure too, i know that leaving it a zero is not good practice, but how what do you set it too ?Is there a formula or something to work th...

HiMay I know how can configure NTP Server and client in a LAN. We have one Layer 3 Cisco (3560) switch and tree layer 2 ( 2960 ). I want one of them work as NTP server and others NTP client and sync true Time.Regards.S.Mehnati

Probably a strange request, but maybe not. I have two ASA 5520's, one behind the other as one is IPS the other CSC. I need to setup ASDM access through the IPS firewall to the second firewall for external management. I have SSH setup already sharing ...

Hi,Its a new setup.We are having a central site with leased line to internet & 13 remote locations having adsl connection (dynamic).All the remote locations are connecting via vpn to the central site.Central site is having PIX 515 (ver 7.2(2)).Remote...

I have the following problem. When I connect the CAS eth0 to a trunk port in the core switch it disconnects from the CAM. When the port is in access mode, the CAM can connect to the CAS. The core switch is a 4500 with IOS 12.2(25)EW. What could be th...

Hi,we are using Pix 515e (6.3 version).Have assigned telnet access to a static public ip to one of the LAN IP (HP-UX OS) and able to ping the LAN (HP-UX) from other public IP but not able to access the telnet and the same is perfectly working if assi...

I know this is a little off the mark but,We have some people from Network Forensics installing monitoring equipment soon.Supposedly, this device is going to capture every packet on the network.How does this work and will it slow things down?We have m...

One FWSM failed - H/W fault. A new FWSM was used to replace failed module. Since then we cannot get redundancy to work.Could it be that one FWSM is at version 2.3(3) and the other one is at 2.3(2). But customer said that this difference was there eve...

Hello,I am testing ASA5540 ver 7.1(1). I have got two problems:1. Once I enabled web type ACL and Port Forwarding together, the port forwarding application stopped working. When I disabled the web type acl, port forwarding just work fine. I tried fol...

Hi..I'm trying to avoid DoS attacks and other threats in my router 7200.Could someone help me with the basic configuration/commands?How can I start?Thanks a lot !!

I am having an issue at one of my branch offices that VPN to our main branch. The branch has a pix 501 and uses a cable connection to get to the internet. Every 9 - 15 minutes the connection goes down and both the pix and the modem need to be reboo...

Im having an issue when i click my outlook icon on my desktop which uses the domino connector i get a blue screen and my machine reboots. What type of exception would I need because I dont see any events from when my machine rebooted.