What a great little freeware application. Seconfig is only 37K in size and can be right from the location that you decided to unpack it to. The freeware has three main features: Restrict Lan-like access, service settings and TCP/IP settings. You may use the program to disable Netbios, SMB and RPC over TCP/IP which are major entry points for worms and hackers.
The service settings let you disable services that may not be needed, and are often used to attack a system over a network or Internet. Among the services that you can disable are the Remote Registry service, the Messenger service, SSDP discovery service and that IPSEC Services.
The TCP/IP settings finally allow you to change the following entries: Drop all incoming IP source routed packets, Disable automatic detection of "dead" gateways, Disable IRDP (all interfaces), Disable ICMP redirect and Disable ports 1025 to N.
Click on help if you want to look up information about the tweaks the program makes available to you. I suggest you know what you are doing before you make changes to the system, as you may shut down or disable services or features that are needed by programs or services on your system. Seconfig will change settings in the Registry. You can undo all changes made by the program by running it again and reverting the changes in the interface.
If you click on status you see a list of all open TCP/IP and UDP ports and if Netbios, SMB and RPC over TCP/IP are closed or not.
Update: The program is only compatible with Windows XP and its server counterpart Windows Server 2003, and earlier versions of Windows. It is not compatible with newer versions of the Windows operating system.
If you are on a newer version of the operating system, I suggest you check out Improve Windows Security By Closing Open Ports which describes tools and options to close down ports and services on those versions of Windows.
Advertising revenue is falling fast across the Internet, and independently-run sites like Ghacks are hit hardest by it. The advertising model in its current form is coming to an end, and we have to find other ways to continue operating this site.
We are committed to keeping our content free and independent, which means no paywalls, no sponsored posts, no annoying ad formats (video ads) or subscription fees.
If you like our content, and would like to help, please consider making a contribution:
Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.