Network Security

This question may just be my ignorance but I need to find an answer. I recently installed a pix 520 and now any data my 2000+ client pc's sends to the outsdie world has the ip address of my pix. I would like to have it so my clients keep their ip add...

How redundancy can be achieved with IDSM-2 blades installed in one or more switches. I have looked at the Cisco documents but could not find much on IDSM-2 redundancy features.

Hi,I would like to save the current active software version installed on the PIX to a tftp server.Is this possible?I would like to do some tests with another software version and later on reload the current active version.ThanksKlaus

What would the config look like if I wanted to block an IP range like XXX.78.0.0 - XXX.83.255.255?PIX 515/version 4.4 <I know it's old!

Hi, My setup goes like this...Internal(100.x.x.101)---proxy---firewall---router---Internet---ISP (MAIL Server - 212.xxx.xxx.40). If i want to access my e-mails located at ISP. What are the protocols i should allow apart from SMTP, POP3? If anybody ha...

Dear list,I have a Cisco IDS 4235 in a test lab, i am studying the CIDS course with the cisco materials ver. 4.0,I am trying to use the Cisco Event Viewer, i successfully added thesensor to the IEV list of devices, but i dont see any Alarms, i am sur...

Just in case this isn't general knowledge, here are the official announcements WRT Cisco ending the sale of the afore mentioned IDS appliances, in order to make way for the new IPS appliances (The IPS-4240 and IPS-4255 respectively).IDS-4235:http://w...

At home I have a small network set up, using a central PC A on which Internet Connection Sharing (ICS) is enabled (IP address 192.168.0.1 is allocated to this PC). PC B, having VPN client V4.0.x loaded, is connected to PC A. ICS dynamically attribute...

We noticed that some of the events triggered by signature 4003 (Nmap UDP Port Sweep) look like responses from external DNS servers. The signature description also mentioned about this scenario. We wish to understand why the signature cannot track c...

Can sensor profiles be saved off line to be used for reinstallation for DR situations?

We're experiencing strange routing problems with our VPN Concentrator. Currently we are running software version 4.1.7.B.The error is as follows.We have a 10.0.0.0/8 static route in the box, however for most networks on the inside that any VPN client...

Hi all. I am having major trouble with my pix 501. It hangs or freezes rather often, it happens rahter often, when it happens i can´t reach the internet but i can use telnet to reach the pix and after a reload it works fine again. I have tried to rec...

How do you set up IP logging so that I can drill down more into the alarms? Also is this something that can be done all the time or is it only if i set it up per instance.

Is it possible now with the release of 6.3(4) to route to internal networks with a PIX? I understand that the fundamental rule of a PIX is to recieve on one interface and pass to the next but when will it be possible to use the PIX as a simple intern...