Network Security

Hi,I'm having some problems with my 1711 (12.4(15)T1) router.I'm protecting my network with CBAC. Everything is working fine. But as soon as I send traffic that originates from the router instead of the clients behind it, the traffic is getting block...

Hello friends, anybody can help me ?i have 1 CAS OOB, 3560 and 1 CAM. I have configured vlans, dhcp, etc. when the client are in the auth vlan, he own an ip from the trusted vlan with the vlan mapping configuration, buuuuuuuutttt dns doesn'w work. cl...

We have several IDSM-2s in place. We were having some issues with the vendor on obtaining the real licenses for them. The vendor secured a trial license for one of the IDSMs. When I went to install it I wasn't paying attention (look twice before c...

Can anyone recommend a specific book(s) on the design and architecture of a DMZ, DMZ server farm, web-based DMZ servers, placement of load balancers, IDS/IPS, content engines, etc? I want something comprehensive and gives different design models...I ...

Anydoby advise some tools to discover the network vulnerability ? like nmap.I use nmap to scan one of my networks, I got one message "TCP Sequence Prediction: Difficulty=258 (Good luck!)"what's that mean, is is good ?

Please share configurations options regarding a network that has topology and routing: ISP-based internetwork GRE Tunnelling sparse-dense mode ip multicasting configurations options via PIX 515e IOS 7.x from outside network-facing router, thru pix, ...

I have a problem of trying to get automatic switching of traffic onto a VPN tunnel if the Primary LL/Sat link fails. The current scenario is like this:The firewall is connected to a layer 2 LAN switch, the WAN router that host the Leased Line/Sat lin...

Hello,I am currently routing two fast-ethernet networks through a 7206VXR, but I wish to migrate them to isolated DMZ's sitting behind two seperate interface on a PIX 535.according to Product Sheet Router Perfrmance: it achieves 1 Gb throughput7206 -...

Were running 6.3 right now on a Pix 525 amd wantr to upgrade to Latest Safe Harbor certified Pix OS version Thnaks in advance for any guidance -Peter

Gents,I have two questions,is there any way to detect/block application, like emule, bittorrent etc by the NAC or CSA MC?I installed Nessus plugin, and found there is a Bittorrent detect, and I put the action to Hole, but did not work2nd question,for...

Hi guys, this is my first post so be gentle :PWe have a 515e PIX and we want to be able to see view the traffic coming through certain interfaces.I'll tell the story behind what im trying to achieve to hopefully give you better understanding of what ...

Hi all,I got one pix firewall at my office but the problem is I can access other resources at my office except for internet connection when I remote VPN from Home. Any problem with my pix config?? (Config as attached). Really need kind advice. Tq

Hi,Once i establish a vpn connection using Cisco VPN, i can no longer access my Internal LAN !!!What configuration should be setup so that i can continue having access to my LAN while connected thru VPN ?