Как технически (желательно готовый пример) осуществить блокировку России на сайт?

<?php  
require_once("geoip.inc");  
$gi = geoip_open("GeoIP.dat",GEOIP_STANDARD);  
$ip = $_SERVER['REMOTE_ADDR'];  
if ($ip == '1.1.1.1') {exit;} // IP - исключение из правил
$code = geoip_country_code_by_addr($gi, $ip);  
if ($code=='RU')  
{  
header("Location: http://место_для_русских");  
}  
else  
{  
exit; // или замени exit на header("Location: http://место_для_нерусских");  
}  
?>

GeoIPEnable On
GeoIPDBFile /usr/local/share/GeoIP/GeoIP.dat
RewriteEngine on
RewriteCond %{ENV:GEOIP_COUNTRY_CODE} ^CA$
RewriteRule ^(.*)$ http://www.canada.com [L]

# Все юзеры канады будут направлены на canada.com

GeoIPEnable On
GeoIPDBFile /path/to/GeoIP.dat

# Redirect one country
RewriteEngine on
RewriteCond %{ENV:GEOIP_COUNTRY_CODE} ^CA$
RewriteRule ^(.*)$ http://www.canada.com$1 [L]

# Redirect multiple countries to a single page
RewriteEngine on
RewriteCond %{ENV:GEOIP_COUNTRY_CODE} ^(CA|US|MX)$
RewriteRule ^(.*)$ http://www.northamerica.com$1 [L]

GeoIPEnable On
GeoIPDBFile /path/to/GeoIP.dat

SetEnvIf GEOIP_COUNTRY_CODE CN BlockCountry
SetEnvIf GEOIP_COUNTRY_CODE RU BlockCountry
# ... place more countries here

Deny from env=BlockCountry

# Optional - use if you want to allow a specific IP address from the country you denied
# (See http://httpd.apache.org/docs/1.3/mod/mod_access.html for more details)
Allow from 10.1.2.3

GeoIPEnable On
GeoIPDBFile /path/to/GeoIP.dat

SetEnvIf GEOIP_COUNTRY_CODE US AllowCountry
SetEnvIf GEOIP_COUNTRY_CODE CA AllowCountry
SetEnvIf GEOIP_COUNTRY_CODE MX AllowCountry
# ... place more countries here

Deny from all
Allow from env=AllowCountry

# Optional - use if you want to allow a specific IP address from the country you denied
# (See http://httpd.apache.org/docs/1.3/mod/mod_access.html for more details)
Allow from 10.1.2.3

        <pre>
        <b>Откуда пришел</b>
        <?php
        $country_code = apache_note("GEOIP_COUNTRY_CODE");
        $region = apache_note("GEOIP_REGION");
        $country_name = apache_note("GEOIP_COUNTRY_NAME");
        $city = apache_note("GEOIP_CITY");
        $connect_type = apache_note("GEOIP_NETSPEED");
        $dma_code = apache_note("GEOIP_DMA_CODE");
        $area_code = apache_note("GEOIP_AREA_CODE");
        $latitude = apache_note("GEOIP_LATITUDE");
        $longitude = apache_note("GEOIP_LONGITUDE");
        $postal_code = apache_note("GEOIP_POSTAL_CODE");
        $organization = apache_note("GEOIP_ORGANIZATION");
        $isp = apache_note("GEOIP_ISP");
        echo "Код страны:  " . $country_code . "\n";
        echo "Регион:      " . $region . "\n";
        echo "Имя страны:  " . $country_name . "\n";
        echo "Город:       " . $city . "\n";
        echo "Скорость:    " . $connect_type . "\n";
        echo "dma_code:    " . $dma_code . "\n";
        echo "area_code:   " . $area_code . "\n";
        echo "latitude:    " . $latitude . "\n";
        echo "longitude:   " . $longitude . "\n";
        echo "postal_code: " . $postal_code . "\n";
        echo "Организация: " . $organization . "\n";
        echo "Провайдер:   " . $isp . "\n";
        ?>
        </pre>

Страна     Интернет код страны (интернет домен)
АВСТРАЛИЯ     AU
АВСТРИЯ     AT
AFGHANISTAN     AF
ALBANIA     AL
ALGERIA     DZ
AMERICAN SAMOA     AS
ANDORRA     AD
ANGOLA     AO
ANGUILLA     AI
ANTARCTICA     AQ
ANTIGUA AND BARBUDA     AG
ARGENTINA     AR
ARMENIA     AM
ARUBA     AW
AZERBAIJAN     AZ
BAHAMAS, THE     BS
BAHRAIN     BH
BANGLADESH     BD
BARBADOS     BB
BELARUS     BY
BELGIUM     BE
BELIZE     BZ
BENIN     BJ
BERMUDA     BM
BHUTAN     BT
BOLIVIA     BO
BOSNIA AND HERZEGOVINA     BA
BOTSWANA     BW
BOUVET ISLAND     BV
BRAZIL     BR
BRITISH INDIAN OCEAN TERRITORY     IO
BRITISH VIRGIN ISLANDS     VG
BRUNEI     BN
БОЛГАРИЯ     BG
BURKINA FASO     BF
BURMA     MM
BURUNDI     BI
CAMBODIA     KH
CAMEROON     CM
CANADA     CA
CAPE VERDE     CV
CAYMAN ISLANDS     KY
CENTRAL AFRICAN REPUBLIC     CF
CHAD     TD
CHILE     CL
CHINA     CN
CHRISTMAS ISLAND     CX
COCOS (KEELING) ISLANDS     CC
COLOMBIA     CO
COMOROS     KM
CONGO, DEMOCRATIC REPUBLIC OF THE     CD
CONGO, REPUBLIC OF THE     CG
COOK ISLANDS     CK
COSTA RICA     CR
COTE D'IVOIRE     CI
CROATIA     HR
CUBA     CU
CYPRUS     CY
CZECH REPUBLIC     CZ
DENMARK     DK
DJIBOUTI     DJ
DOMINICA     DM
DOMINICAN REPUBLIC     DO
ECUADOR     EC
ЕГИПЕТ     EG
EL SALVADOR     SV
EQUATORIAL GUINEA     GQ
ERITREA     ER
ESTONIA     EE
ETHIOPIA     ET
EUROPEAN UNION     EU (ДЕЙСТВУЕТ С 2005 Г); ПРИМЕЧАНИЕ - КОДЫ СТРАН-УЧАСТНИКОВ СМ В ПОЗИЦИЯХ ДЛЯ ЭТИХ СТРАН
FALKLAND ISLANDS (ISLAS MALVINAS)     FK
FAROE ISLANDS     FO
FIJI     FJ
FINLAND     FI; ПРИМЕЧАНИЕ - ДЛЯ ALAND ISLANDS УСТАНОВЛЕН КОД AX
FRANCE     METROPOLITAN FRANCE - FR; FRENCH GUIANA - GF; GUADELOUPE - GP; MARTINIQUE - MQ; REUNION - RE
FRENCH POLYNESIA     PF
FRENCH SOUTHERN AND ANTARCTIC LANDS     TF
GABON     GA
GAMBIA, THE     GM
GAZA STRIP     PS; ПРИМЕЧАНИЕ - SAME AS WEST BANK
GEORGIA     GE
GERMANY     DE
GHANA     GH
GIBRALTAR     GI
GREECE     GR
GREENLAND     GL
GRENADA     GD
GUAM     GU
GUATEMALA     GT
GUERNSEY     GG
GUINEA     GN
GUINEA-BISSAU     GW
GUYANA     GY
HAITI     HT
HEARD ISLAND AND MCDONALD ISLANDS     HM
HOLY SEE (VATICAN CITY)     VA
HONDURAS     HN
HONG KONG     HK
HUNGARY     HU
ICELAND     IS
INDIA     IN
INDONESIA     ID
IRAN     IR
IRAQ     IQ
IRELAND     IE
ISLE OF MAN     IM
ISRAEL     IL
ITALY     IT
JAMAICA     JM
JAPAN     JP
JERSEY     JE
JORDAN     JO
KAZAKHSTAN     KZ
KENYA     KE
KIRIBATI     KI
KOREA, NORTH     KP
KOREA, SOUTH     KR
KUWAIT     KW
KYRGYZSTAN     KG
LAOS     LA
LATVIA     LV
LEBANON     LB
LESOTHO     LS
LIBERIA     LR
LIBYA     LY
LIECHTENSTEIN     LI
LITHUANIA     LT
LUXEMBOURG     LU
MACAU     MO
MACEDONIA     MK
MADAGASCAR     MG
MALAWI     MW
MALAYSIA     MY
MALDIVES     MV
MALI     ML
MALTA     MT
MARSHALL ISLANDS     MH
MAURITANIA     MR
MAURITIUS     MU
MAYOTTE     YT
MEXICO     MX
MICRONESIA, FEDERATED STATES OF     FM
MOLDOVA     MD
MONACO     MC
MONGOLIA     MN
MONTENEGRO     ME
MONTSERRAT     MS
MOROCCO     MA
MOZAMBIQUE     MZ
NAMIBIA     NA
NAURU     NR
NEPAL     NP
NETHERLANDS     NL
NETHERLANDS ANTILLES     AN
NEW CALEDONIA     NC
NEW ZEALAND     NZ
NICARAGUA     NI
NIGER     NE
NIGERIA     NG
NIUE     NU
NORFOLK ISLAND     NF
NORTHERN MARIANA ISLANDS     MP
NORWAY     NO
OMAN     OM
PAKISTAN     PK
PALAU     PW
PANAMA     PA
PAPUA NEW GUINEA     PG
PARAGUAY     PY
PERU     PE
PHILIPPINES     PH
PITCAIRN ISLANDS     PN
POLAND     PL
PORTUGAL     PT
PUERTO RICO     PR
QATAR     QA
ROMANIA     RO
РОССИЯ     RU; ПРИМЕЧАНИЕ - РОССИЯ ТАКЖЕ УНАСЛЕДОВАЛА ОТ СОВЕТСКОГО СОЮЗА ДОМЕН "SU"
RWANDA     RW
SAINT BARTHELEMY     BL; ПРИМЕЧАНИЕ - GP, THE CCTLD FOR GUADELOUPE, AND FR, THE CCTLD FOR FRANCE, MIGHT ALSO BE ENCOUNTERED
SAINT HELENA     SH; ПРИМЕЧАНИЕ - ASCENSION ISLAND ASSIGNED AC
SAINT KITTS AND NEVIS     KN
SAINT LUCIA     LC
SAINT MARTIN     MF; ПРИМЕЧАНИЕ - GP, THE CCTLD FOR GUADELOUPE, AND FR, THE CCTLD FOR FRANCE, MIGHT ALSO BE ENCOUNTERED
SAINT PIERRE AND MIQUELON     PM
SAINT VINCENT AND THE GRENADINES     VC
SAMOA     WS
SAN MARINO     SM
SAO TOME AND PRINCIPE     ST
SAUDI ARABIA     SA
SENEGAL     SN
SERBIA     RS
SEYCHELLES     SC
SIERRA LEONE     SL
SINGAPORE     SG
SLOVAKIA     SK
SLOVENIA     SI
SOLOMON ISLANDS     SB
SOMALIA     SO
SOUTH AFRICA     ZA
SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS     GS
SPAIN     ES
SRI LANKA     LK
SUDAN     SD
SURINAME     SR
SVALBARD     SJ
SWAZILAND     SZ
SWEDEN     SE
SWITZERLAND     CH
SYRIA     SY
TAIWAN     TW
TAJIKISTAN     TJ
TANZANIA     TZ
ТАИЛАНД     TH
TIMOR-LESTE     TL
TOGO     TG
TOKELAU     TK
TONGA     TO
TRINIDAD AND TOBAGO     TT
TUNISIA     TN
ТУРЦИЯ     TR
TURKMENISTAN     TM
TURKS AND CAICOS ISLANDS     TC
TUVALU     TV
UGANDA     UG
UKRAINE     UA
ОБЪЕДИНёННЫЕ АРАБСКИЕ ЭМИРАТЫ (ОАЭ)     AE
UNITED KINGDOM     UK
UNITED STATES     US
URUGUAY     UY
UZBEKISTAN     UZ
VANUATU     VU
VENEZUELA     VE
VIETNAM     VN
VIRGIN ISLANDS     VI
WALLIS AND FUTUNA     WF
WEST BANK     PS; ПРИМЕЧАНИЕ - SAME AS GAZA STRIP
WESTERN SAHARA     EH
YEMEN     YE
ZAMBIA     ZM
ZIMBABWE     ZW

GeoIPEnable On
GeoIPDBFile /usr/local/share/GeoIP/GeoIP.dat

RewriteEngine on
RewriteRule ^.*\.html /script.php

<?php  
require_once("geoip.inc");  
$gi = geoip_open("GeoIP.dat",GEOIP_STANDARD);  
$ip = $_SERVER['REMOTE_ADDR'];  
if ($ip == '94.188.51.42') {readfile($_GET['file'];}
$code = geoip_country_code_by_addr($gi, $ip);  
if ($code=='RU')  
{  
header("Location: http://yandex.ru");  
}  
else    
{  
readfile($_GET['file'];  
}  
?>

RewriteEngine on
RewriteRule ^.*\.html /script.php

RewriteEngine on
RewriteRule   ^(.*)\.html$     script.php?file=$1

if ($ip == '94.188.51.42') {readfile($_GET['file'];}

if ($ip == '94.188.51.42') {readfile($_GET['file']);}

if ($ip == '94.188.51.42')
{
  readfile($_GET['file']);
  exit;
}

<?php  

$file = explode("?", getenv('REQUEST_URI')); // На всякий случай отрубаем все переменные вместе с вопросительным знаком
array_pop($file);
$file = $DOCUMENT_ROOT.$file[0]; // Это типа адрес файла на локальном диске

require_once("geoip.inc");  
$gi = geoip_open("GeoIP.dat",GEOIP_STANDARD);  
$ip = $_SERVER['REMOTE_ADDR'];  
if ($ip == '94.188.51.42')
{
  readfile($file);
  exit;
}
$code = geoip_country_code_by_addr($gi, $ip);  
if ($code=='RU')  
{  
  header("Location: http://yandex.ru");  
}  
else    
{  
  readfile($file);  
}  
?>

<?php

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 2; tab-width: 2 -*- */
/* geoip.inc
*
* Copyright (C) 2007 MaxMind LLC
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

define("GEOIP_COUNTRY_BEGIN", 16776960);
define("GEOIP_STATE_BEGIN_REV0", 16700000);
define("GEOIP_STATE_BEGIN_REV1", 16000000);
define("GEOIP_STANDARD", 0);
define("GEOIP_MEMORY_CACHE", 1);
define("GEOIP_SHARED_MEMORY", 2);
define("STRUCTURE_INFO_MAX_SIZE", 20);
define("DATABASE_INFO_MAX_SIZE", 100);
define("GEOIP_COUNTRY_EDITION", 106);
define("GEOIP_PROXY_EDITION", 8);
define("GEOIP_ASNUM_EDITION", 9);
define("GEOIP_NETSPEED_EDITION", 10);
define("GEOIP_REGION_EDITION_REV0", 112);
define("GEOIP_REGION_EDITION_REV1", 3);
define("GEOIP_CITY_EDITION_REV0", 111);
define("GEOIP_CITY_EDITION_REV1", 2);
define("GEOIP_ORG_EDITION", 110);
define("GEOIP_ISP_EDITION", 4);
define("SEGMENT_RECORD_LENGTH", 3);
define("STANDARD_RECORD_LENGTH", 3);
define("ORG_RECORD_LENGTH", 4);
define("MAX_RECORD_LENGTH", 4);
define("MAX_ORG_RECORD_LENGTH", 300);
define("GEOIP_SHM_KEY", 0x4f415401);
define("US_OFFSET", 1);
define("CANADA_OFFSET", 677);
define("WORLD_OFFSET", 1353);
define("FIPS_RANGE", 360);
define("GEOIP_UNKNOWN_SPEED", 0);
define("GEOIP_DIALUP_SPEED", 1);
define("GEOIP_CABLEDSL_SPEED", 2);
define("GEOIP_CORPORATE_SPEED", 3);

class GeoIP {
    var $flags;
    var $filehandle;
    var $memory_buffer;
    var $databaseType;
    var $databaseSegments;
    var $record_length;
    var $shmid;
    var $GEOIP_COUNTRY_CODE_TO_NUMBER = array(
"" => 0, "AP" => 1, "EU" => 2, "AD" => 3, "AE" => 4, "AF" => 5,
"AG" => 6, "AI" => 7, "AL" => 8, "AM" => 9, "AN" => 10, "AO" => 11,
"AQ" => 12, "AR" => 13, "AS" => 14, "AT" => 15, "AU" => 16, "AW" => 17,
"AZ" => 18, "BA" => 19, "BB" => 20, "BD" => 21, "BE" => 22, "BF" => 23,
"BG" => 24, "BH" => 25, "BI" => 26, "BJ" => 27, "BM" => 28, "BN" => 29,
"BO" => 30, "BR" => 31, "BS" => 32, "BT" => 33, "BV" => 34, "BW" => 35,
"BY" => 36, "BZ" => 37, "CA" => 38, "CC" => 39, "CD" => 40, "CF" => 41,
"CG" => 42, "CH" => 43, "CI" => 44, "CK" => 45, "CL" => 46, "CM" => 47,
"CN" => 48, "CO" => 49, "CR" => 50, "CU" => 51, "CV" => 52, "CX" => 53,
"CY" => 54, "CZ" => 55, "DE" => 56, "DJ" => 57, "DK" => 58, "DM" => 59,
"DO" => 60, "DZ" => 61, "EC" => 62, "EE" => 63, "EG" => 64, "EH" => 65,
"ER" => 66, "ES" => 67, "ET" => 68, "FI" => 69, "FJ" => 70, "FK" => 71,
"FM" => 72, "FO" => 73, "FR" => 74, "FX" => 75, "GA" => 76, "GB" => 77,
"GD" => 78, "GE" => 79, "GF" => 80, "GH" => 81, "GI" => 82, "GL" => 83,
"GM" => 84, "GN" => 85, "GP" => 86, "GQ" => 87, "GR" => 88, "GS" => 89,
"GT" => 90, "GU" => 91, "GW" => 92, "GY" => 93, "HK" => 94, "HM" => 95,
"HN" => 96, "HR" => 97, "HT" => 98, "HU" => 99, "ID" => 100, "IE" => 101,
"IL" => 102, "IN" => 103, "IO" => 104, "IQ" => 105, "IR" => 106, "IS" => 107,
"IT" => 108, "JM" => 109, "JO" => 110, "JP" => 111, "KE" => 112, "KG" => 113,
"KH" => 114, "KI" => 115, "KM" => 116, "KN" => 117, "KP" => 118, "KR" => 119,
"KW" => 120, "KY" => 121, "KZ" => 122, "LA" => 123, "LB" => 124, "LC" => 125,
"LI" => 126, "LK" => 127, "LR" => 128, "LS" => 129, "LT" => 130, "LU" => 131,
"LV" => 132, "LY" => 133, "MA" => 134, "MC" => 135, "MD" => 136, "MG" => 137,
"MH" => 138, "MK" => 139, "ML" => 140, "MM" => 141, "MN" => 142, "MO" => 143,
"MP" => 144, "MQ" => 145, "MR" => 146, "MS" => 147, "MT" => 148, "MU" => 149,
"MV" => 150, "MW" => 151, "MX" => 152, "MY" => 153, "MZ" => 154, "NA" => 155,
"NC" => 156, "NE" => 157, "NF" => 158, "NG" => 159, "NI" => 160, "NL" => 161,
"NO" => 162, "NP" => 163, "NR" => 164, "NU" => 165, "NZ" => 166, "OM" => 167,
"PA" => 168, "PE" => 169, "PF" => 170, "PG" => 171, "PH" => 172, "PK" => 173,
"PL" => 174, "PM" => 175, "PN" => 176, "PR" => 177, "PS" => 178, "PT" => 179,
"PW" => 180, "PY" => 181, "QA" => 182, "RE" => 183, "RO" => 184, "RU" => 185,
"RW" => 186, "SA" => 187, "SB" => 188, "SC" => 189, "SD" => 190, "SE" => 191,
"SG" => 192, "SH" => 193, "SI" => 194, "SJ" => 195, "SK" => 196, "SL" => 197,
"SM" => 198, "SN" => 199, "SO" => 200, "SR" => 201, "ST" => 202, "SV" => 203,
"SY" => 204, "SZ" => 205, "TC" => 206, "TD" => 207, "TF" => 208, "TG" => 209,
"TH" => 210, "TJ" => 211, "TK" => 212, "TM" => 213, "TN" => 214, "TO" => 215,
"TL" => 216, "TR" => 217, "TT" => 218, "TV" => 219, "TW" => 220, "TZ" => 221,
"UA" => 222, "UG" => 223, "UM" => 224, "US" => 225, "UY" => 226, "UZ" => 227,
"VA" => 228, "VC" => 229, "VE" => 230, "VG" => 231, "VI" => 232, "VN" => 233,
"VU" => 234, "WF" => 235, "WS" => 236, "YE" => 237, "YT" => 238, "RS" => 239,
"ZA" => 240, "ZM" => 241, "ME" => 242, "ZW" => 243, "A1" => 244, "A2" => 245,
"O1" => 246, "AX" => 247, "GG" => 248, "IM" => 249, "JE" => 250, "BL" => 251,
"MF" => 252
);
    var $GEOIP_COUNTRY_CODES = array(
"", "AP", "EU", "AD", "AE", "AF", "AG", "AI", "AL", "AM", "AN", "AO", "AQ",
"AR", "AS", "AT", "AU", "AW", "AZ", "BA", "BB", "BD", "BE", "BF", "BG", "BH",
"BI", "BJ", "BM", "BN", "BO", "BR", "BS", "BT", "BV", "BW", "BY", "BZ", "CA",
"CC", "CD", "CF", "CG", "CH", "CI", "CK", "CL", "CM", "CN", "CO", "CR", "CU",
"CV", "CX", "CY", "CZ", "DE", "DJ", "DK", "DM", "DO", "DZ", "EC", "EE", "EG",
"EH", "ER", "ES", "ET", "FI", "FJ", "FK", "FM", "FO", "FR", "FX", "GA", "GB",
"GD", "GE", "GF", "GH", "GI", "GL", "GM", "GN", "GP", "GQ", "GR", "GS", "GT",
"GU", "GW", "GY", "HK", "HM", "HN", "HR", "HT", "HU", "ID", "IE", "IL", "IN",
"IO", "IQ", "IR", "IS", "IT", "JM", "JO", "JP", "KE", "KG", "KH", "KI", "KM",
"KN", "KP", "KR", "KW", "KY", "KZ", "LA", "LB", "LC", "LI", "LK", "LR", "LS",
"LT", "LU", "LV", "LY", "MA", "MC", "MD", "MG", "MH", "MK", "ML", "MM", "MN",
"MO", "MP", "MQ", "MR", "MS", "MT", "MU", "MV", "MW", "MX", "MY", "MZ", "NA",
"NC", "NE", "NF", "NG", "NI", "NL", "NO", "NP", "NR", "NU", "NZ", "OM", "PA",
"PE", "PF", "PG", "PH", "PK", "PL", "PM", "PN", "PR", "PS", "PT", "PW", "PY",
"QA", "RE", "RO", "RU", "RW", "SA", "SB", "SC", "SD", "SE", "SG", "SH", "SI",
"SJ", "SK", "SL", "SM", "SN", "SO", "SR", "ST", "SV", "SY", "SZ", "TC", "TD",
"TF", "TG", "TH", "TJ", "TK", "TM", "TN", "TO", "TL", "TR", "TT", "TV", "TW",
"TZ", "UA", "UG", "UM", "US", "UY", "UZ", "VA", "VC", "VE", "VG", "VI", "VN",
"VU", "WF", "WS", "YE", "YT", "RS", "ZA", "ZM", "ME", "ZW", "A1", "A2", "O1",
"AX", "GG", "IM", "JE", "BL", "MF"
);
    var $GEOIP_COUNTRY_CODES3 = array(
"","AP","EU","AND","ARE