How do you block a country?

How do I block all IP addresses from a country?

- Silly question
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bobfandor. To block all IP addresses in a given country, create your own DNS server at. Home and setup any DNS client to use that server for the local network. All lookups for "foo.com" or "www.bar.com" will be handled by that server. You can
Either configure your default web browser to route all DNS queries to your own. Server, or you can just set it up yourself. Either way, it's easy enough to do and gives you control over what domains are served locally on the network.

How do you block a country?

By denying US financial transactions, he says.

The move would also have a secondary effect, of freezing the assets of the terrorist leaders. And the impact on the US and Europe of such a move would be massive, says the president.

That is where we are, he asserts. We do not negotiate with terrorists. When they say they will not cease attacks against Americans and Western interests, I simply respond: 'then they will have to find another country, because we will not stop our defense capabilities in this administration'.

So far, so simple - and the message has seemed to have had a similar effect to the air strikes it is meant to complement. A few hours after President Obama spoke at West Point, the Islamic State seized the small northern Syrian town of Tal Kayda, near the Turkish border. The battle for the strategic town was one of many that made headlines yesterday, and in one sense Obama's speech was a sideshow to an event of far greater importance. But the speech's significance is clear, as is its place at the heart of the political crisis facing Washington and its allies.

There are many reasons why the Western powers are willing to intervene in Syria, but the chief reason is to prevent an ISIS victory, and by implication the establishment of an Iranian Shia Islamist regime along the border with Israel. And it was for this reason that Obama addressed a US audience for the first time since election day. The result has been an unmitigated success. He has given the impression of strength, he has delivered a direct rebuke to Putin, he has reassured the British government that America has their back, and he has forced ISIS into a position in which it no longer represents the threat it once did. ISIS is now no longer the focus of the West; it is a means of fighting, not the problem itself.

The speech gave substance to that perception. It was a measured and restrained address, and what struck me most about it was how he has been able to present himself as an alternative to the hawkish Hillary Clinton who lost. Obama knows the importance of rhetoric, and the key to his performance at West Point was not just that it showed strength, but that it conveyed conviction and a purpose.

Of course, these are not qualities traditionally associated with the Democratic Party.

How do I block a range of IP addresses?

I have a website running with Apache on Linux.

There is no firewall installed on the server. Is there a way to block a certain range of IP addresses from accessing my website, so that they can't access it even if they type in the address?

The basic idea is to create a separate network interface with a range of addresses. Then use iptables (or ufw) to filter out these packets.

Here's an example that shows how to use iptables to do this. Iptables -t nat -A OUTPUT -o eth0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT. Iptables -t nat -A OUTPUT -o eth0 -m conntrack --ctstate RELATED,ESTABLISHED -j DROP. A OUTPUT matches packets that are going out on the wire, and you only want to allow traffic that is allowed by the destination. t nat is used for NAT, which is what happens when a network connection is converted to one with another IP address. -ctstate is used to only match packets that are related to a connection, either ESTABLISHED or RELATED. For example, here's a diagram that shows the state of packets going out of a computer: You can also use a combination of -A and -D to match packets coming into your server and then allow/drop them as appropriate.