做个记录
http://www.ttlsa.com/web/multiple-https-host-nginx-with-a-ip-configuration/
做个记录
http://www.ttlsa.com/web/multiple-https-host-nginx-with-a-ip-configuration/
一个客户Centos Linux系统出现dz通信失败,
ssh登录到服务器后发现,服务器有双ip, 1.1.1.1 和 1.1.1.2
经询问得知原来1.1.1.1 废弃不用,更改为1.1.1.2,但是原来的系统管理员图省事,
只是增加了1.1.1.2的新ip,并未去掉老的ip,导致服务器对外ping和从服务器的主动动作都
被认为是从老的ip发出,估计外围交换机做了限制,导致失败
去掉旧ip,只保留新ip,问题解决
注意,此方法运行缓慢,切不可在大量访问处使用!或者请使用缓存!
感谢 http://snowcoal.com/article/324.html
function ip_info($ip = NULL, $purpose = "location", $deep_detect = TRUE) { $output = NULL; if (filter_var($ip, FILTER_VALIDATE_IP) === FALSE) { $ip = $_SERVER["REMOTE_ADDR"]; if ($deep_detect) { if (filter_var(@$_SERVER['HTTP_X_FORWARDED_FOR'], FILTER_VALIDATE_IP)) $ip = $_SERVER['HTTP_X_FORWARDED_FOR']; if (filter_var(@$_SERVER['HTTP_CLIENT_IP'], FILTER_VALIDATE_IP)) $ip = $_SERVER['HTTP_CLIENT_IP']; } } $purpose = str_replace(array("name", "\n", "\t", " ", "-", "_"), NULL, strtolower(trim($purpose))); $support = array("country", "countrycode", "state", "region", "city", "location", "address"); $continents = array( "AF" => "Africa", "AN" => "Antarctica", "AS" => "Asia", "EU" => "Europe", "OC" => "Australia (Oceania)", "NA" => "North America", "SA" => "South America" ); if (filter_var($ip, FILTER_VALIDATE_IP) && in_array($purpose, $support)) { $ipdat = @json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=" . $ip)); if (@strlen(trim($ipdat->geoplugin_countryCode)) == 2) { switch ($purpose) { case "location": $output = array( "city" => @$ipdat->geoplugin_city, "state" => @$ipdat->geoplugin_regionName, "country" => @$ipdat->geoplugin_countryName, "country_code" => @$ipdat->geoplugin_countryCode, "continent" => @$continents[strtoupper($ipdat->geoplugin_continentCode)], "continent_code" => @$ipdat->geoplugin_continentCode ); break; case "address": $address = array($ipdat->geoplugin_countryName); if (@strlen($ipdat->geoplugin_regionName) >= 1) $address[] = $ipdat->geoplugin_regionName; if (@strlen($ipdat->geoplugin_city) >= 1) $address[] = $ipdat->geoplugin_city; $output = implode(", ", array_reverse($address)); break; case "city": $output = @$ipdat->geoplugin_city; break; case "state": $output = @$ipdat->geoplugin_regionName; break; case "region": $output = @$ipdat->geoplugin_regionName; break; case "country": $output = @$ipdat->geoplugin_countryName; break; case "countrycode": $output = @$ipdat->geoplugin_countryCode; break; } } } return $output; }
/etc/sysconfig/network-scripts/ifcfg-eth0-range0
IPADDR_START=起始IP(含ifcfg-eth0本身那个)
IPADDR_END=结束IP
CLONENUM_START=0