If you have enabled caching on your Cisco security appliance, check URL cache statistics by entering the following command. sh url-cache stats The command shows the following information. Size - the size of the cache in kilobytes, which you set with the url-cache size option. Entries - the maximum number of cache entries, based on the cache size. In [...]

In order to measure Remote Filtering usage you must have Websense Log Server and Websense Enterprise Explorer installed. Log Server - captures Internet activity and logs the data to your SQL server Websense Explorer - a web browser based viewer that provides detailed reports of logged activity Log into Reporting Tools and select Websense Enterprise Explorer. From the menu, select Internet [...]

WinSyslog is an enhanced syslog server for Windows. It serves the same purpose as a Unix Syslog daemon. It is an integrated, modular and distributed solution for system management.  Network administrators can continuously monitor their systems and receive alarms as soon as important events occur.  Syslog is a standard protocol for centralized reporting of system events. [...]

Websense works as a filtering engine for the Cisco Content Engine, allowing you to enforce your organization’s Internet access policies. Once Websense is installed on your network, you must activate it within the Content Engine. This can be done through the Cisco Web-based interface or through a console or TELNET session, by following the instructions [...]

Websense Enterprise offers a completely flexible solution for managing internet access. Websense components can be installed in a variety of ways. Stand-alone:  All Websense Enterprise web filtering components are installed on a single machine. Distributed:  Websense Enterprise web filtering components are installed on two or more machines. In this configuration, many customers install Filtering Service, User Service, [...]

For Cisco PIX integrations Websense Filtering Service supports URLs of up to 4 K bytes.  PIX Firewall software versions 6.1 and earlier do not support filtering for URLs longer than 1159 bytes.  PIX Firewall software versions 6.2 and higher support filtering for URLs up to 4 K bytes for Websense Filtering Service. PIX Firewall software [...]

By default, the Cisco IOS DHCP server and relay agent features are enabled on your router. To reenable these features if they are disabled, use the following command in global configuration mode:   Command Purpose Router(config)# service dhcp Enables the Cisco IOS DHCP server and relay features on your router. Use the no form of this command to disable the [...]

A remote Cisco PIX firewall can be configured to send URL requests to a central installation of Websense software via a VPN connection. The Remote PIX must be reconfigured to include the outside interface as part of interesting traffic for the VPN and the nonat ACL must also include the outside interface. Below is an [...]

DHCP, Dynamic Host Configuration Protocol is the protocol used by network devices like a PC or a printer (DHCP clients) to obtain IP Address, Default Gateway, Domain Name, DNS Servers, NetBIOS servers and more that helps the device to work properly in an IP Network. The following procedure helps you to setup a Cisco Router [...]

STP Portfast is a feature in Cisco IOS which allows a switchport which is participating in STP to directly transition from Blocking mode to Forwarding mode when a device connects and the link goes up. This can improve the initial connect time and can fix some issues with Windows based devices connecting to the Active [...]

The following procedure takes you through the steps to successfully upgrade Cisco IOS in a Cisco Router or a Switch. The latest version of the Cisco IOS can be downloaded from the Cisco Software Downloade center. You need to be a registered user to be able to download the software. http://www.cisco.com/tacpage/sw-center/index.shtml Write Unsaved configurations ciscorouter# [...]

There is a lot of automated config backup solutions available for free/opensource. Its worth knowing a manual backup procedure as well. Here we will discuss a simple backup procedure using a TFTP server. However, it is important to note it is not secure to use a TFTP server. Backup Running-config using TFTP ciscorouter# copy running-config [...]

The simple procedure listed here will help you to run commands remotely on rou cisco routers from your PCs. Enable RCMD server for RSH & RCP Cisco IOS by default disables the remote command execute feature through rsh and rcp. ciscorouter# conf term ciscorouter(config)# ip rcmd rsh-enable Creata Local User A local user account is [...]

To backup a Cisco Router or Switch to a FTP server, the FTP server should be reacheable from the router or switch. Logon to the Router/switch and enter the Privilege Exec mode using the enable password. Enter Global Configuration mode ciscorouter# conf term Configure FTP User ciscorouter(config)# ip ftp username confback ciscorouter(config)# ip ftp password [...]

When we configure a routing protocol on Cisco IOS Routers, it is important to consider preventing Routing updates sent on interfaces that are not required to (say a LAN where there is no other router in the segment to receive any updates). This ensure we are not passing updates that could cause network issues. Needless [...]