blocks|key|858833|text|好的，从0.7.7开始，这是可用的，但不是以lubar描述的方式。我最终需要在git集线器上解析一些提交日志来解决这个问题，但下面的代码现在确实对我有效：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|858834|var+io+=+require('socket.io').listen(server);

io.sockets.on('connection',+function+(socket)+{
++var+address+=+socket.handshake.address;
++console.log('New+connection+from+'+%2B+address.address+%2B+':'+%2B+address.port);
});|code-block|syntax|javascript|858835|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Okay, as of 0.7.7 this is available, but not in the manner that lubar describes. I ended up needing to parse through some commit logs on git hub to figure this one out, but the following code does actually work for me now:

<pre><code>var io = require('socket.io').listen(server);

io.sockets.on('connection', function (socket) {
 var address = socket.handshake.address;
 console.log('New connection from ' + address.address + ':' + address.port);
});
</code></pre>

blocks|key|641477|text|对于1.0.4：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|641478|io.sockets.on('connection',+function+(socket)+{
++var+socketId+=+socket.id;
++var+clientIp+=+socket.request.connection.remoteAddress;

++console.log(clientIp);
});|code-block|syntax|javascript|641479|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

for 1.0.4:

<pre><code>io.sockets.on('connection', function (socket) {
 var socketId = socket.id;
 var clientIp = socket.request.connection.remoteAddress;

 console.log(clientIp);
});
</code></pre>

blocks|key|641820|text|如果您使用其他服务器作为反向代理，则所有提到的字段都将包含localhost。最简单的解决方法是在代理服务器中添加ip/端口的标头。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|641821|nginx的例子:在你的proxy_pass后面添加这个|offset|length|style|CODE|641822|proxy_set_header++X-Real-IP+$remote_addr;
proxy_set_header++X-Real-Port+$remote_port;|code-block|syntax|javascript|641823|这将使标头在socket.io节点服务器中可用：|641824|var+ip+=+socket.handshake.headers["x-real-ip"];
var+port+=+socket.handshake.headers["x-real-port"];|641825|请注意，标头在内部转换为小写。|641826|如果要将节点服务器直接连接到客户端，|641827|var+ip+=+socket.conn.remoteAddress;|641828|适用于我的socket.io版本1.4.6。|641829|entityMap^0|0|C|A|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|11|8|@$D|12|E|13|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|14|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|15|8|@]|9|@]|A|$]]|$1|O|3|P|5|J|7|16|8|@]|9|@]|A|$K|L]]|$1|Q|3|R|5|6|7|17|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|18|8|@]|9|@]|A|$]]|$1|U|3|V|5|J|7|19|8|@]|9|@]|A|$K|L]]|$1|W|3|X|5|6|7|1A|8|@]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]]|Z|$]]

If you use an other server as reverse proxy all of the mentioned fields will contain localhost. The easiest workaround is to add headers for ip/port in the proxy server.

Example for nginx: 
add this after your <code>proxy_pass</code>:

<pre><code>proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Real-Port $remote_port;
</code></pre>

This will make the headers available in the socket.io node server:

<pre><code>var ip = socket.handshake.headers["x-real-ip"];
var port = socket.handshake.headers["x-real-port"];
</code></pre>

Note that the header is internally converted to lower case.

If you are connecting the node server directly to the client,

<pre><code>var ip = socket.conn.remoteAddress;
</code></pre>

works with socket.io version 1.4.6 for me.

blocks|key|641523|text|有关最新的socket.io版本，请使用|type|unstyled|depth|inlineStyleRanges|entityRanges|data|641524|socket.request.connection.remoteAddress|code-block|syntax|javascript|641525|例如：|641526|var+socket+=+io.listen(server);
socket.on('connection',+function+(client)+{
++var+client_ip_address+=+socket.request.connection.remoteAddress;
}|641527|注意，下面的代码返回的是服务器的IP，而不是客户端的IP|641528|var+address+=+socket.handshake.address;
console.log('New+connection+from+'+%2B+address.address+%2B+':'+%2B+address.port);|641529|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

For latest socket.io version use

<pre><code>socket.request.connection.remoteAddress
</code></pre>

For example:

<pre><code>var socket = io.listen(server);
socket.on('connection', function (client) {
 var client_ip_address = socket.request.connection.remoteAddress;
}
</code></pre>

beware that the code below returns the Server's IP, not the Client's IP

<pre><code>var address = socket.handshake.address;
console.log('New connection from ' + address.address + ':' + address.port);
</code></pre>

blocks|key|859018|text|使用Socket.IO的最新1.0.6版本并将我的应用程序部署在Heroku上，我使用headers将客户端IP和port放入socket+handshake|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|859019|var+socketio+=+require('socket.io').listen(server);

socketio.on('connection',+function(socket)+{

++var+sHeaders+=+socket.handshake.headers;
++console.info('[%25s:%25s]+CONNECT',+sHeaders['x-forwarded-for'],+sHeaders['x-forwarded-port']);

}|code-block|syntax|javascript|859020|entityMap^0|2|9|E|5|W|6|17|7|1I|2|1L|4|1R|G|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]|$9|P|A|Q|B|C]|$9|R|A|S|B|C]|$9|T|A|U|B|C]|$9|V|A|W|B|C]|$9|X|A|Y|B|C]|$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|11|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|L|$]]

Using the latest <code>1.0.6</code> version of <code>Socket.IO</code> and have my app deployed on <code>Heroku</code>, I get the client <code>IP</code> and <code>port</code> using the <code>headers</code> into the <code>socket handshake</code>:

<pre><code>var socketio = require('socket.io').listen(server);

socketio.on('connection', function(socket) {

 var sHeaders = socket.handshake.headers;
 console.info('[%s:%s] CONNECT', sHeaders['x-forwarded-for'], sHeaders['x-forwarded-port']);

}
</code></pre>

blocks|key|858739|text|0.7.7版的Socket.IO现在声称可以返回客户端的IP地址。我在以下方面取得了成功：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|858740|var+socket+=+io.listen(server);
socket.on('connection',+function+(client)+{
++var+ip_address+=+client.connection.remoteAddress;
}|code-block|syntax|javascript|858741|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Version 0.7.7 of Socket.IO now claims to return the client's IP address. 
I've had success with:

<pre><code>var socket = io.listen(server);
socket.on('connection', function (client) {
 var ip_address = client.connection.remoteAddress;
}
</code></pre>

blocks|key|858837|text|这似乎起作用了：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|858838|var+io+=+require('socket.io').listen(80);
io.sockets.on('connection',+function+(socket)+{
++var+endpoint+=+socket.manager.handshaken[socket.id].address;
++console.log('Client+connected+from:+'+%2B+endpoint.address+%2B+":"+%2B+endpoint.port);
});|code-block|syntax|javascript|858839|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This seems to work:

<pre><code>var io = require('socket.io').listen(80);
io.sockets.on('connection', function (socket) {
 var endpoint = socket.manager.handshaken[socket.id].address;
 console.log('Client connected from: ' + endpoint.address + ":" + endpoint.port);
});
</code></pre>

blocks|key|641698|text|非常简单。第一个put|type|unstyled|depth|inlineStyleRanges|entityRanges|data|641699|io.sockets.on('connection',+function+(socket)+{

console.log(socket);|code-block|syntax|javascript|641700|您将看到socket的所有字段。然后使用CTRL%2BF并搜索单词address。最后，当您找到字段remoteAddress时，使用点来过滤数据。在我的情况下是|641701|console.log(socket.conn.remoteAddress);|641702|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

Very easy.
First put 

<pre><code>io.sockets.on('connection', function (socket) {

console.log(socket);
</code></pre>

You will see all fields of socket. then use CTRL+F and search the word address.
Finally, when you find the field remoteAddress use dots to filter data.
in my case it is

<pre><code>console.log(socket.conn.remoteAddress);
</code></pre>

blocks|key|858671|text|从socket.io源代码看，"listen“方法接受参数(+server，options，fn)，如果"server”是一个HTTP/S服务器的实例，它将简单地为您包装它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|858672|所以你可以假设给它一个空的服务器，它监听‘remoteAddress’事件并处理套接字连接；但是，如果你需要把这个地址和一个实际的socket.io套接字对象关联起来，事情可能会变得非常困难。|858673|var+http+=+require('http')
++,+io+=+require('socket.io');
io.listen(new+http.Server().on('connection',+function(sock)+{
++console.log('Client+connected+from:+'+%2B+sock.remoteAddress);
}).listen(80));|code-block|syntax|javascript|858674|向socket.io提交一个补丁可能会更容易，在这个补丁中，他们自己的Socket对象是用连接时分配的remoteAddress属性扩展的……|858675|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

From reading the socket.io source code it looks like the "listen" method takes arguments (server, options, fn) and if "server" is an instance of an HTTP/S server it will simply wrap it for you.

So you could presumably give it an empty server which listens for the 'connection' event and handles the socket remoteAddress; however, things might be very difficult if you need to associate that address with an actual socket.io Socket object.

<pre><code>var http = require('http')
 , io = require('socket.io');
io.listen(new http.Server().on('connection', function(sock) {
 console.log('Client connected from: ' + sock.remoteAddress);
}).listen(80));
</code></pre>

Might be easier to submit a patch to socket.io wherein their own Socket object is extended with the remoteAddress property assigned at connection time...

blocks|key|641762|text|在socket.io+1.3.4上，您有以下可能性。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|641763|socket.handshake.address，|641764|socket.conn.remoteAddress或|641765|socket.request.client._peername.address|641766|entityMap^0|1|9|0|0|O|0|0|P|0|0|13|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Q|8|@$9|R|A|S|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|T|8|@$9|U|A|V|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|W|8|@$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|L|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|M|$]]

on <code>socket.io</code> 1.3.4 you have the following possibilities.

<code>socket.handshake.address</code>,

<code>socket.conn.remoteAddress</code> or

<code>socket.request.client._peername.address</code>

blocks|key|858974|text|使用socket.request.connection.remoteAddress|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|858975|entityMap^0|2|13|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

use <code>socket.request.connection.remoteAddress</code>

blocks|key|859135|text|最新版本与以下各项配合使用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|859136|console.log(socket.handshake.address);|code-block|syntax|javascript|859137|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Latest version works with:

<pre><code>console.log(socket.handshake.address);
</code></pre>

blocks|key|859283|text|下面是如何获取客户端的ip地址(3.1.0版)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|859284|859285|//+Current+Client
const+ip+=+socket.handshake.headers["x-forwarded-for"].split(",")[1].toString().substring(1,+this.length);
//+Server+
const+ip2+=+socket.handshake.headers["x-forwarded-for"].split(",")[0].toString();|code-block|syntax|javascript|859286|859287|要检查它是否正常工作，请转到geoplugin.net/json.gsp?ip=，只需确保切换链路中的ip即可。完成后，它应该会给出客户端的准确位置，这意味着它起作用了。|offset|length|859288|entityMap|0|LINK|mutability|MUTABLE|url|http://geoplugin.net/json.gsp?ip=^0|0|0|0|0|E|Q|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|V|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|W|8|@]|9|@]|A|$F|G]]|$1|H|3|-4|5|6|7|X|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|Y|8|@]|9|@$K|Z|L|10|1|11]]|A|$]]|$1|M|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]]]

Here's how to get your client's ip address (v 3.1.0):
<hr />
<pre><code>// Current Client
const ip = socket.handshake.headers[&quot;x-forwarded-for&quot;].split(&quot;,&quot;)[1].toString().substring(1, this.length);
// Server 
const ip2 = socket.handshake.headers[&quot;x-forwarded-for&quot;].split(&quot;,&quot;)[0].toString();
</code></pre>
<hr />
And just to check if it works go to <a href="http://geoplugin.net/json.gsp?ip=" rel="nofollow noreferrer">geoplugin.net/json.gsp?ip=</a>
just make sure to switch the ip in the link. After you have done that it should give you the accurate location of the client which means that it worked.

blocks|key|859316|text|对于我的情况|type|unstyled|depth|inlineStyleRanges|entityRanges|data|859317|我改变了我的|859318|app.configure(socketio)|code-block|syntax|javascript|859319|至|859320|app.configure(socketio(function(io)+{
+io.use(function+(socket,+next)+{
+++socket.feathers.clientIP+=+socket.request.connection.remoteAddress;
+++next();
+});
}));|859321|我可以得到这样的ip地址|859322|function+checkIP()+{
++return+async+context+=>+{
++++context.data.clientIP+=+context.params.clientIP
++}
}

module.exports+=+{
++before:+{
++++all:+[],
++++find:+[
++++++checkIp()
++++]}
++}|859323|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|V|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|W|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|X|8|@]|9|@]|A|$]]|$1|O|3|P|5|F|7|Y|8|@]|9|@]|A|$G|H]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

for my case
i change my
<pre><code>app.configure(socketio)
</code></pre>
to
<pre><code>app.configure(socketio(function(io) {
 io.use(function (socket, next) {
 socket.feathers.clientIP = socket.request.connection.remoteAddress;
 next();
 });
}));
</code></pre>
and i'm able to get ip like this
<pre><code>function checkIP() {
 return async context =&gt; {
 context.data.clientIP = context.params.clientIP
 }
}

module.exports = {
 before: {
 all: [],
 find: [
 checkIp()
 ]}
 }
</code></pre>

blocks|key|641662|text|在1.3.5中：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|641663|var+clientIP+=+socket.handshake.headers.host;|code-block|syntax|javascript|641664|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

In 1.3.5 :

<pre><code>var clientIP = socket.handshake.headers.host;
</code></pre>

When using socket.IO in a Node.js server, is there an easy way to get the IP address of an incoming connection? I know you can get it from a standard HTTP connection, but socket.io is a bit of a different beast.

Get the client's IP address in socket.io

服务器

在Node.js服务器中使用socket.IO时，有没有一种简单的方法可以获取传入连接的IP地址？我知道你可以从一个标准的超文本传输协议连接中获得它，但是socket.io有点不同。

问在socket.io中获取客户端的IP地址
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问在socket.io中获取客户端的IP地址
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