Network Security

Hi, does anyone why it is nigh impossible to block bit torrent with the ASA firewall. We have a ASA 5520 running 8.4 IOS.But (correct me if im wrong) the router based IOS firewall allows this functionality?? Whether CBAC, class maps etc.

Hello,We are looking into enabling "access-list optimization" on our FWSM modules and during research we are reading alot pros about this, but are not seeing any cons, so we are wondering if any one out there has ran into any issues or know of possib...

Hello!First of all, I want to mention that I know how extremely hot this topic is on any security forum in the Internet, including Cisco support forums. But, unfortunately, I also have to admit that I still cannot find simple and unambiguous answer f...

HiASA 5505 support GRE Tunnel ? version : 8.0RegardsBiplob

Okay I have been working with a 5505 for two days and finally got it configured and working on an AT&T DSL Modem then when I took the 5505 to the clients office and connected/configured it to their AT&T DSL with their IPs the whole thing quite workin...

In the latest code, is VPN still disabled when using contexts? If you use a 5520 as an ISP based firewall for customers, then what would be used for VPN access?  Also how many contexts does a 5520 support, and would putting 2 interfaces into an ether...

I understand ACLs to work in this way on an ASA:If the traffic DESTINATION is a host on the subnet where the ACL exists, it's considered INCOMING.  For example, if I want to allow my hosts on the inside to access the internet, since traffic sourced b...

I need to add memory to my ASA 55xx's (running 8.2(2)), some of which are config'd active/active or active/standby. The docs say that ram must be identical, which makes sense for production. My question is this: can I upgrade the standby units first,...

Hi all,There is Cisco 1921 router at the edge of the network performing NAT service with software (C1900-UNIVERSALK9-M), Version 15.0(1)M5, RELEASE SOFTWARE (fc2). Router is successfully performing NAT on IP packets, but IP address inside the payloa...

Hi,we had just installed our ASA 5550 with IOS 8.0(2) a couple of week ago.2 interfaces from each slot are being used ie 0/0 for Branch users comming via MPLS cloud ,  0/1 for internal LAN users comming form Core Switch  & 1/0 for Server farm LAN   ,...