Ipconfig /flushdns – flushing your DNS cache

Most computers that are connected to the internet automatically cache the hostname of the websites you have visited to make reloading the pages faster than if there was no cache. If the IP address of a website changes before your cache updates, you may not be able to load the webpage. If you are running…

Read More

What is Greylisting

Greylisting is a method of defending e-mail users against spam. A mail transfer agent (MTA) using greylisting will “temporarily reject” any email from a sender it does not recognize. If the mail is legitimate the originating server will, after a delay, try again and, if sufficient time has elapsed, the email will be accepted. http://en.wikipedia.org/wiki/Greylisting…

Read More

DOS / Windows IP Commands – IP address

Below, you’ll find a list of the most common IP commands for Windows and DOS. These include ipconfig, trace route, netstat, arp, route, hostname, control netconnections, and other popular DOS and Windows IP commands. Display Connection Configuration: ipconfig /all Display DNS Cache Info: ipconfig /displaydns Clear DNS Cache: ipconfig /flushdns Release All IP Address Connections:…

Read More

How to clear internet browser’s cache

Your Internet browser’s cache stores various information from webpages you visit. Occasionally, the cache can prevent you from seeing updated content, or cause functional problems. Luckily, you can fix many browser problems by simply clearing your cache. See the sections below to clear the cache in your particular browser. If you are unsure of what…

Read More

Microsoft Safety Scanner – Free

The Microsoft Safety Scanner is a free downloadable security tool that provides on-demand scanning and helps remove viruses, spyware, and other malicious software. It works with your existing antivirus software. Note: The Microsoft Safety Scanner expires 10 days after being downloaded. To rerun a scan with the latest anti-malware definitions, download and run the Microsoft…

Read More