Make sure the router firewall is switched on as this will prevent users visiting any untrusted, dangerous websites.
The most prominent is China's "great firewall".
Today, many executives assume that what's inside the corporate firewall is pretty safe and what's outside it is not.
"Words can be deleted but the facts won't be deleted along with them," he affirms on Twitter via a VPN that allows him to jump over the Great Firewall.
Just as there is a difference between a graffiti-spraying youth and a criminal mastermind, there is a world of difference between vandalising a web page and large-scale financial fraud or theft of intellectual property.The principal tool for keeping unwanted intruders out of computers or networks is the firewall.
Stricter fiscal rules in the euro zone are a precondition for any strengthening of the firewall, Germany insists.
Since the EFSF depends partly on France for its own credit rating, a French downgrade could undermine the rescue fund just when it is most needed.If the foundations of the firewall are too shallow, then the bank plan plunges too deep.
The authors find the trend has been towards larger firms in America, as well as in Denmark, a country of comparable size to Portugal.In this section A fall to cheer Breathing difficulties A firewall full of holes Short-changed Wonupmanship Maple revolutionaries Decline and small ReprintsA bias to small firms is costly.
He also uses the highly regarded Zone Alarm firewall, plus the latest versions of Grisoft's AVG Internet Security Suite and Webroot's Anti-virus and Spy Sweeper, as well as Microsoft's much improved Security Essentials.
Though the president has faced divided government since 2010, when Republicans took the House of Representatives, Democrats in the Senate used to provide him with an important firewall, blocking any number of laws drafted by conservatives.
In order to get around this awkward detail, Mr Balls has come up with a clever argument, namely that he has no problem with the IMF being used to help individual countries enduring a cashflow crunch, but objects strongly to the fund being used as a firewall against contagion in the euro area.
