Hi, my customer has a great park of catalyst 3500XL and us we are facing a strange problem in the installation of new machines in the network, therefore, machines DELL with Windows NT or Linux United present problems with its network interfaces. In t...

Hi,my costumer´s Internet Firewall between inside, outside and DMZ networks is a Linux running Iptables. Well, his Proxy Server is installed in DMZ network and his inside workstations access webpages passing through this proxy. This access is carried...

Hi, in all cisco documentation I looked that the command "radiusradius-server key" is used to authenticate and encrypt all data transmited between router and Radius server but I didn´t find what protocol is used to provide encrypt of this data. I ask...

Hi,my costumer uses Linux Firewall (iptables) in his network and when a workstation try to access the Internet the Linux Firewall sends its requisitation to the proxy server that is in the DMZ network. This happening without aditionals proxy configur...