Network Security

We some got a NM-CIDS-K9 module and it running ver 4.14 s91 signature everytime I issue the upgrade command and point to the ftp server I get and error messages saying the digital signature file is invalid??? any ideas? thanks

Hi everybody,i have a problem with a pix behind an ios router.when i try to connezt from my vpn-client i get an 412 error (remote peer is no longer responding), than i do a ping from pix to the intern (with a destination that answers), and then i try...

Dear Cisco guys,I have Cisco Secure PIX Firewall 520 series, IOS Version 5.1(4), with following specificationsHardware: SE440BX2, 128 MB RAM, CPU Pentium II 349 MHzFlash AT29C040A @ 0x300, 2MBBIOS Flash AM28F256 @ 0xfffd8000, 32KBIf I replace Flash...

Hi All,We have a PIX 525 with 1 4-port FE + 2 GE ports. I am using the 2 GE ports for inside and outside interfaces. I use one FE port for the DMZ. When I ping servers on the DMZ from inside/outside network, I loose 2-3% packets. Sniffer traces show ...

Hi,Why is it that when users are connected to the pix via pptp they can't hit the internet? All they could hit is the inside network. I have configured the pix to nat anything to it's external interface for internet access.

Can someone please tell me what does "logging history" command does. How does it differ from "logging trap".Thanks.

1. When we configure TCP resets, Shunhost, or Shunconnection in the "action" option of the IPS 4240, is this action taken on behalf of IPS through its Command and control port or the Monitoring port? 2. If through Monitoring port then if we take the ...

Hello together.I read through this forum, but i did not find a questtion that matches my problem, so I start a new thread.I am local LAN Administrator for our office. Now the network provider sold a Cisco PIX and a couple of CVPN client Software pack...

I have a 4240 that is alarming on this signature from a number of internal hosts. The hosts have all been checked for Virus, spyware etc. with nothing found. The IPS database indicates that there are no benign triggers. Could this be a false positive...

I have installed a 4250 and built out some custom signatures got the email working from VMS 2.2 for some of high priority alerts. This all great but I was wondering what other people use to monitor the alerts and how they get notifications. I see wha...

I want to remotely monitor the network users ip address anfd their network useage by telneting to the remote perimeter 2600 router connected to the internet using 512kbps leased line.Is there any way to monitor the user's activity such as ip address ...

Pls help me to find a simple IDS solution using a 4215, do I need CSA installed in each server in my protected LAN segment.The way I understand is the CSA is part of HIPS solution, of course I could combined HIPS and NIDS but do I have to. Cisco IDS ...

Hi,I'm unable to find a conclusive answer for the following question in any configuration guide/manual. Maybe you guys can help:What is the port range that can be used for PAT on a PIX firewall?1. 1-655352. 1-640003. 1024-655354. 1024-640005. 0-6553...

Hi all,i have a problem related within STRING.TCP engine pattern matching.Within TCPDUMP i see that there is an offset of 43 bytes between two fixed hexadecimal values.I tried to set the RegexString value to "\x26.{43}\x0F" in my custom sig, and i fi...