【ivp6服务器可通过ivp4网络访问教程】

服务器没有公网ivp4地址,只有ivp6地址,通过ddns可以实现ivp6访问到服务器,可是一般的网络没有配备ivp6,只有ivp4网络,这时可以使用Cloudflare的ivp6转ivp4实现访问,通过java定时调用Cloudflare接口更新ivp6地址值实现,前提是有域名

导入依赖

        <dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.78</version></dependency><dependency><groupId>org.apache.httpcomponents</groupId><artifactId>httpclient</artifactId><version>4.5.6</version></dependency><dependency><groupId>org.apache.httpcomponents</groupId><artifactId>httpcore</artifactId><version>4.4.10</version></dependency><dependency><groupId>org.apache.httpcomponents</groupId><artifactId>httpmime</artifactId><version>4.5.6</version></dependency>

需要填入url,秘钥,账号

package com.example.ddns;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;import org.apache.http.HttpEntity;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;import java.io.*;
import java.net.SocketException;
import java.util.*;@Component
public class CloudFlareSetIp {private static final String TYPE = "AAAA";private static final String URL = ""; //这里填你的网址private static final String X_AUTH_KEY = "";//这里填你的秘钥private static final String X_AUTH_EMAIL = "";//这里填你的邮箱账号private static final String CONTENT_TYPE = "application/json";private static final int TTL = 1;private static final boolean PROXIED = true;@Autowiredprivate Ipv6Util ipv6Util;/*** 定时任务*/@Scheduled(cron = "0 0/15 * * * ?")public void setIp() throws IOException {String zoneUrl = "https://api.cloudflare.com/client/v4/zones?name=";zoneUrl += URL + "&status=active&page=1&per_page=20&order=status&direction=desc&match=all";String zoneId = null;String dnsId = null;String content = null;Map map = JSON.parseObject(sendGet(zoneUrl), Map.class);List<Map> result = (List) map.get("result");for (Map map1 : result) {zoneId = (String) map1.get("id");}String dnsUrl = "https://api.cloudflare.com/client/v4/zones/" + zoneId + "/dns_records?";Map map1 = JSON.parseObject(sendGet(dnsUrl), Map.class);List<Map> result1 = (List) map1.get("result");for (Map map2 : result1) {dnsId = (String) map2.get("id");content = (String) map2.get("content");}String updateUrl = "https://api.cloudflare.com/client/v4/zones/" + zoneId + "/dns_records/" + dnsId;if (ipv6Util.getIpv6().equals(content)) {System.out.println("dns地址未变动,不执行更新");return;}String s = doPut(updateUrl);System.out.println("接口返回信息:" + s);Map map2 = JSON.parseObject(s, Map.class);if (true == ((boolean) map2.get("success"))) {System.out.println("执行更新dns成功");} else {System.out.println("执行更新dns失败");}}public String sendGet(String url) {CloseableHttpClient httpClient = HttpClients.createDefault();HttpGet httpGet = new HttpGet(url);httpGet.setHeader("Content-type", CONTENT_TYPE);httpGet.setHeader("DataEncoding", "UTF-8");httpGet.setHeader("X-Auth-Email", X_AUTH_EMAIL);httpGet.setHeader("X-Auth-Key", X_AUTH_KEY);RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(35000).setConnectionRequestTimeout(35000).setSocketTimeout(60000).build();httpGet.setConfig(requestConfig);CloseableHttpResponse httpResponse = null;try {httpResponse = httpClient.execute(httpGet);HttpEntity entity = httpResponse.getEntity();String result = EntityUtils.toString(entity);return result;} catch (ClientProtocolException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();} finally {if (httpResponse != null) {try {httpResponse.close();} catch (IOException e) {e.printStackTrace();}}if (null != httpClient) {try {httpClient.close();} catch (IOException e) {e.printStackTrace();}}}return null;}/*** 原生字符串发送put请求** @param url* @return* @throws ClientProtocolException* @throws IOException*/public String doPut(String url) throws SocketException {CloseableHttpClient httpClient = HttpClients.createDefault();HttpPut httpPut = new HttpPut(url);RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(35000).setConnectionRequestTimeout(35000).setSocketTimeout(60000).build();httpPut.setConfig(requestConfig);httpPut.setHeader("Content-type", CONTENT_TYPE);httpPut.setHeader("DataEncoding", "UTF-8");httpPut.setHeader("X-Auth-Email", X_AUTH_EMAIL);httpPut.setHeader("X-Auth-Key", X_AUTH_KEY);//bodyJSONObject contentMap = new JSONObject();contentMap.put("type", TYPE);contentMap.put("name", URL);contentMap.put("content", ipv6Util.getIpv6());contentMap.put("ttl", TTL);contentMap.put("proxied", PROXIED);CloseableHttpResponse httpResponse = null;try {httpPut.setEntity(new StringEntity(contentMap.toJSONString()));httpResponse = httpClient.execute(httpPut);HttpEntity entity = httpResponse.getEntity();String result = EntityUtils.toString(entity);return result;} catch (ClientProtocolException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();} finally {if (httpResponse != null) {try {httpResponse.close();} catch (IOException e) {e.printStackTrace();}}if (null != httpClient) {try {httpClient.close();} catch (IOException e) {e.printStackTrace();}}}return null;}}

获取网卡ipv6地址,需要先查看服务器网卡名称填入即可

package com.example.ddns;import org.springframework.stereotype.Component;import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;@Component
public class Ipv6Util {/*** 获取ipv6地址信息** @return* @throws SocketException*/public String getIpv6() throws SocketException {try {InetAddress ads = null;Enumeration<?> adds = NetworkInterface.getNetworkInterfaces();String myIp = null;while (adds.hasMoreElements()) {NetworkInterface netInterface = (NetworkInterface) adds.nextElement();Enumeration<?> inetAds = netInterface.getInetAddresses();while (inetAds.hasMoreElements()) {ads = (InetAddress) inetAds.nextElement();//判断是否与InetAddress相同且非保留地址if (ads instanceof InetAddress && !isReservedAddr(ads)) {//ip地址String ipAddress = ads.getHostAddress();//对应ip的网卡名称String eth = netInterface.getName();//System.out.println(eth + "-" + ipAddress);//网卡信息过滤//enp2s0是我的网卡名称,需要填入自己的网卡名称if ("enp2s0".equals(eth) && ipAddress.length() > 20) {myIp = ipAddress.replace("%enp2s0", "");}}}}System.out.println("ipv6地址是:" + myIp);return myIp;} catch (Exception e) {e.printStackTrace();System.out.println("获取ipv6地址失败-" + e);return null;}}private boolean isReservedAddr(InetAddress inetAddr) {if (inetAddr.isAnyLocalAddress() || inetAddr.isLinkLocalAddress() || inetAddr.isLoopbackAddress()) {return true;}return false;}
}

打包后在linux后台运行jar包即可

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【ivp6服务器可通过ivp4网络访问教程】

导入依赖

需要填入url,秘钥,账号

获取网卡ipv6地址,需要先查看服务器网卡名称填入即可

打包后在linux后台运行jar包即可

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