Network Security

I’m trying to connect a 2950 switch to a 3550 switch. I have tried straight through and crossover cat 5e patch cables and the results are the same. There is no indication on the 2950 switch port and there is a slow blinking amber light on the 3550 sw...

Hi, we are small network providers. we supply routers, switches, firewalls and also do configurations. now we are interested in big size projects. For that I want to know, what security projects include? please provide me full details about security ...

I am able to telnet in via the VPN using the inside address. The question is how to make this happen without using the VPN tunnel! Would someone please take a look at the current config and tell me what I am missing. I need to be able to telnet in an...

I was under the impression that any session initiated from inside the PIX going out would allow that traffic to come back through the PIX without any additional ACL's. We are trying to access an FTP site from inside but cannot do so. When trying to c...

Hi,Is there a documented procedure for moving config's between PIX's? Basically we have a PIX cluster (515's running 6.2) and want to test the upgrade. So we've borrowed another 515, put our running config on to it - but suprise, suprise can't login....

We installed two new PIX-1GE-66 and the link on these two new interfaces does not come up.We tested the connection with a router and a switch, but the link stays down. The show interface shows HW UP Protocol Down.Any idea?Does anyone know any test th...

Since I've installed S222 on IDS 4.1-5 I get 5737 firing off "from" servers (web mail server) to "clients" (users windows PC. I don't understand why this is. When I look at the Decoded Alarm Context in the IDS Event Viewer I see the following code: D...

Hi,I need to configure QoS for VoIP on a DSL router using PPPoA. The VoIP traffic is going over the EZVPN tunnel.My problem is that a 'show policy-map interface dialer0' shows packets/bytes but I never get any hits in packets matched/bytes matched fi...

We have a VPN 3005 Concentrator. Is there a way to find out the activity on the VPN? For example, I would like to know why the webmail does not work or why the user got disconnected? The log file on the VPN does not give me much information.Thanks.

Hello,When I try to copy 7.1.2 bin file to pix box via tftp it says unknown error and stops the transfer.Trying to overwrite 'image' file on the flash drive. Regards,Kevin

Hello,I was wondering if someone could give me some advice. A linux consultant friend of mine has some PIX work he needs done. My experience is in routing and switching but, I would love to get some exposure to PIX.I was asked if I could:"install it,...

Is there a signature to cover this one already because if there is my sensors are not seeing it. I tested against my lab sensors. The exploit was successful and the sensors did not fire an alert. I ran tcpdump to make sure they were actually seeing i...

I manage a PIX 515 at a hotel on which the DMZ port is used to provide Internet access to clients. The PIX is configured as a dhcp server on the DMZ. I want to track how many clients connect to the Internet throughout the evening. I can manually logo...

where can I find a good resource that explains that meanings of the various flags and logging messages as displayed in the logging output of a pix firewall. I'm looking to get more familiar with distinguishing which end is sending what flags, tcp res...