Network Security

Hi All,We've been asked to configure a pair of PIX's for a site, and they've just been delivered to us, however they neglected to mention that they are a failover pair, AND they only have 2 Interfaces!The Two PIX's will be in two geographically seper...

Dear Group,I am currently working on L2TPv3 which provides layer 2 VPN and transparently forwards any layer 2 frames from one site of customer to other site over Service Provider's IP network. I want to know that which protocol provides stronger secu...

Last "Patch Tuesday" there was a serious vulnerability reported for Microsoft that could be exploited via an SNMP buffer overflow. But there does not seem to be a Cisco signature yet. Is there any status on this?

hi all can someone pls tell me what is the difference between tcp flags and tcp mask in the signatures. as far as i understood is that tcp flags are the bits which need to be present in the tcp packet for the signature to match. then why the tcp mask...

I have configured my PIX to save all the logs to an Windows XP FTP Server. My problem is than about after 2-3 days the PIX stops sending logs to the Server.The only way to make it start again is to restart the PIX.What could cause this?Regards

HI ,Can any one tell if i will be able to upgrade the IOS of my 525e PIX firewall from version 6.1 to 7.1 ?Any procedure is available !!Pls help

I am using module IDSM (in promicuous mode). I don't know I can configure TCP reset in IDSM or not?Please answer me early. Thank you very much. Duy Khang

When I do a trace to an external address from inside our network it's stopping at our gateway router and times out for 17 times, then it reaches the external site I'm tracing. Why? This address I'm tracing is an internet page which we use to access p...

I'm using a PIX 501 and need to turn on some tcp ports. I need to open ports 80, 443, 25, 110 and 3389. I also need to do one to one ip address translation and then be able to verify it. Any help would be greatly appreciated.

Hello all,We currently have 2 Cisco 831 routers doing site to site VPN. I want to know if I can also deploy EZVPN Server for remote access users on one of the Cisco 831 and also keeping the site to site VPN tunnel. If possible, how do I do it?Thank y...

Does the cisco pix failover works alone ?Can I use it by itself without a primary firewall ?Are there any docs in cisco that clarify this situation ? Thanks to all

HiWe have here two 6509 switches with an IDSM blade in each one.I want one of them to monitor a remote port on a remote switch.But I can not see traffic on the IEV.That is the configuration I used:We have a pre configured RSPAN vlan (555) on our VTP ...

Dear Sir, I see the memory of IDSM is 99% (you can look the following attachment).Please show me how I can kill some processes to decrease memory?Thank you very much. Duy Khang - Security QTSC

Has anyone seen this error message from the CSC SSM module. Compact Flash storage is nearly out of space on InterScan for CSC SSM. Please contact Customer Support for assistance.I have seen this message twice in the last week or so but my system is s...