June, 2009

Where to find information about Websense Remote Filtering

A technical paper is available that compiles all the existing documentation for Remote Filtering for Websense Enterprise and Websense Web Security Suite v6.3.1. This paper contains all the information needed to install, configure, and use Remote Filtering. Additional information has been added about deployment, the processing flow, and about VPN support. A complete troubleshooting process [...]

How to connect to SQL Server when installing Websense Reporting Tools

The installation of Websense Reporting Tools includes a Log Server component that logs filtering data to a Microsoft SQL Server database. When Log Server is installed, the Websense installer prompts you for SQL Server connection information. If the connection values are inaccurate, or if the SQL Server instance uses a port other than the default, the [...]

How do I block LimeWire in Websense

LimeWire is a peer-to-peer file sharing client that uses the Gnutella network to find and share files. Because LimeWire uses the Gnutella file-sharing protocol, it is blocked when you block theGnutella (Morpheus Xolox) protocol, in the P2P File Sharing protocol group.

How to Take Screenshots in Solaris

Sun Solaris X utilities uses “xwd“, an application that is standard among the X utilities can be used to take screenshots. xwd dumps the output of a window into a file that can be viewed with xwud, or converted with convert (part of ImageMagick package), xv or another tool to a more usable image type, [...]

Steps to mount an ISO image in SUN Solaris

In Sun Solaris, we can use the Loopback File driver to mount an ISO image without having to write the ISO image onto a CD or DVD. Following procedure should help you mount an ISO image in Sun Solaris Attach a Block Device sunsolaris# lofiadm -a /export/software/iso_image.iso /dev/lofi/1 Mount the ISO Image block device sunsolaris# [...]

How to find number of Physical & Virtual Processors in Solaris 10

In Solaris 10, if you want to find the processor type and the number of physical processors installed on the system and the number of Virtual Processors available on the system then the psrinfo command does job for you. To simply display the number of Physical processors, simply run the command with the -p option [...]

How to Display Link status,speed,duplex,statistics,MTU in Solaris 10

dladm is the admin utility for Data-Link Interface which helps to display informarthe like Link Status (UP/DOWN), Speed, Duplex, MTU, VLAN Tagged and crucially statistics of network traffic on each of the interfaces historically as well as in real time. dladm can also configure and admin Link Aggregation on multiple NICs which we will not [...]

How to add a Static Route (persistent) in Sun Solaris

To add a Static Route in Sun Solaris operating system, you can use the route command. This will dynamically update the Kernel IP Routing table. However, when a server is restarted, these routes will be lost. To prevent this from happening, add a startup script S76static-routes with all the route commands for the static route [...]

How to Change IP Address in Solaris 10 without reboot

Adding or editing the IP address on a Solaris 10 server is different from the previous versions of the OS (Solaris 9, Solaris 8 etc). In the previous versions of the Solaris Operating System, you need to edit the /etc/hosts file and add/edit the entry for the IP address and the hostname. Example: 192.168.1.1   sun1 However, [...]

How to configure Default Gateway/Default Router in Sun Solaris

The Default Gateway or the Default Router is the IP address (IPv4) to which all the traffic to any target destination(s) which does not have a route in the Routing Table of the server will be forwarded. This Default Gateway is maintained in the file /etc/defaultrouter [IPv4 only] This IP Address should be in the [...]

How to Reduce ARP caching time in Sun Solaris using ndd

The default time that ARP entries are cached in a Sun Solaris system is 5 mins. However, this can be reduced to lower level (say 3mins). This means that the number of ARP requests and ARP replies to and from the server will increase as a result. So, before modifying the caching time, check if [...]

How to Display/Add/Delete/modify ARP entries in ARP Table in Solaris

Not so often we would end up troubleshooting or manipulating ARP and ARP tables in Sun Solaris. However, following are some of the useful commands which can help when required. The following commands will help you display,modify,add,delete ARP entries in Sun Solaris ARP table. Display ARP table sunsolaris# arp -a Net to Media Table: IPv4 [...]

How to Increase/Decrease route flushing time period in Solaris

The default time for which a dynamically learnt Route entry in the routing table is 20mins (1200000ms) To Display current Route holding time To display the current time interval to hold a route entry In Solaris 8/9/10 sunsolaris# ndd -get /dev/ip ip_ire_arp_interval 1200000 In earlier versions to Solaris 8 sunsolaris# ndd -get /dev/ip ip_ire_flush_interval To [...]

How to configure DHCP client in Sun Solaris

Setting up a Sun Solaris Server to receive its IP address from a DHCP Server is fairly straight forward and is infact just a matter of setting up files on your Solaris Server. Ensure that every interface that is up and connects to a network has a file /etc/hostname.interface file created say /etc/hostname.pcn0 where pcn0 [...]

How to Enable/Disable IP Forwarding in Solaris 10 without reboot

In Solaris 10, IP Forwarding can be enabled or disabled using the routeadm & ifconfig commands as against the ndd commands in Solaris 9 and earlier. The advantage is the change dynamic and real-time and the change persist across reboot unlike the ndd command. Enable/Disable IP Forwarding globally To globally enable IP Forwarding in Solaris [...]