Network Security

hello , I am a small ISP ( about 500 user ) and I have cisco 515e firwall , am asking about if can I use it to controll access for the internet (all protocols not just http) in an easy way to the client , by user name or MAC address. any idea would b...

Dear All, I want to ask about the following: -Baseline network model??? what is it , and how to read more about it from the Cisco point view??? -MTTR & MTBF??? and how it is relate to the baseline network model ( increasing or decreasing)??

Presently we have two DNS appliances at two different locations behind two PIXes (520, 525). Both of these PIXes are NATed to two different external IP addresses out on the Internet. Were trying to do DNS zone transfers between the two boxes and all ...

On new install, workstation accesses VIP on CSS with 3 web servers. With PIX in between, got continuous Built inbound, followed by Teardown TCP....Reset-O. Other non CSS connections were working fine. Is there anything special or considerations for P...

Hi Experts.My Customer has an old Pix 520 w/ OS ver. 5.1(5), no DES/3DES licence and needs to establish a site-to-site VPN.He's far from my location and I would avoid to go on site to upgrade the activation key.While they're evaluating a hardware upg...

We have a site to site VPN and we are migrating to a new DSL connection on one side and when I went to remove the crypto map so I could put in the new peer address the pix locks up. I've had this happen before and know that there is a procedure to pr...

Hy all!I become crazy, I d'ont understand what's happen...I've set my pix 501 to connect through my DSL modem in bridge mode and I've starting to connect but the connection hangs off sometimes, not really disconnected but i.e I'm unable to resolve ou...

Hi,I have this issue:When I migrate a web server using public ip (pix outside segment) to pix dmz segment, though i have a correct static mapping and access-list defined, i just can't get it work. But if the statically assign public ip is different (...

Im using the "static (inside,outside).." command to create incomming proxies to webservers and a mailserver. I can access to the webservers, but the webservers that are proxied to cannot go out to the internet. Mail doesn't work in either direction. ...

i have 2 pix with failover state. currently, primary pix often crash, anyone know where i can trace that problem...

We are expeiencing a very strange issue and any insight would be appreciated. Here's the scenario, then I'll describe the problem. Store #1 XP Computer = 192.168.4.11 connects to Adtran router = 192.168.4.1 connects to SBC 64k Frame to Home Office WA...

Hello,is it possible to configure the PIX 501 in that way:Internal network (5 PCs) --- PIX ---DSL---InternetI have seen the configuration procedure in http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_sw/v_63/config/pixclnt.htmbut it is n...

Please, could you help me with basic config with access from inside network 192.168.1.0/24 to outside network 192.168.7.0/24. I have problem with icmp(ping) from inside to outside and other serveces as ftp and http on outside host 192.168.7.1. This i...

We have a PIX running 6.3(4) beign used for terminating PPTP and IPSec connections. Today it just stopped accepting any PPTP connection. All other functions were working fine including Cisco IPSec Client, NAT etcFrom a Packet Capture, PIX was receivi...