blocks|key|890807|text|你需要做的是为你正在运行的服务器准备两个ip地址。Apache有一个ip绑定到端口80，然后node.js有另一个ip绑定到端口80。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|890808|Using节点及其listen指令有两个值，例如。.listen(80，NODEJS_IP或DNS名称)；|890809|一些其他的建议。|890810|我不会将apache与nodejs一起使用，因为它没有事件。所以我们并不推荐这样做。实际上，我会考虑使用NGINX，因为它与Node配对要好得多。|890811|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

What you need to do is have 2 ip's for the server you are running. Apache has 1 ip bound to port 80 and then node.js has the other ip bound to port 80.

Using node and its listen directive has 2 values eg. .listen(80, NODEJS_IP or DNS NAME);

Some other advice.

I would not use apache with nodejs as it's not evented. So this really isn't recommended. I would actually look into using NGINX as its a much better pairing with Node.

blocks|key|890870|text|目前不建议在端口80上运行node，因为这需要以root身份运行node。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|890871|你对阿帕奇的依恋程度如何？通过nginx代理节点是一个行之有效的解决方案，nginx-config如下：|890872|upstream+node_cluster+{
++++ip_hash;+++
++++server+127.0.0.1:8000;
++++server+127.0.0.1:8001;
++++server+127.0.0.1:8002;
}

server+{
++++listen+0.0.0.0:80;
++++server_name+foo;
++++access_log+/var/log/nginx/foo.log;

++++location+/+{
++++++proxy_set_header+X-Real-IP+$remote_addr;
++++++proxy_set_header+X-Forwarded-For+$proxy_add_x_forwarded_for;
++++++proxy_set_header+Host+$http_host;

++++++proxy_pass+http://node_cluster/;
++++++proxy_redirect+off;
++++}
}|code-block|syntax|javascript|890873|Nginx文档：|890874|http://wiki.nginx.org/HttpProxyModule|offset|length|890875|http://wiki.nginx.org/HttpUpstreamModule|890876|entityMap|0|LINK|mutability|MUTABLE|url|1^0|0|0|0|0|0|11|0|0|0|14|1|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Z|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|10|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|11|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|12|8|@]|9|@$M|13|N|14|1|15]]|A|$]]|$1|O|3|P|5|6|7|16|8|@]|9|@$M|17|N|18|1|19]]|A|$]]|$1|Q|3|-4|5|6|7|1A|8|@]|9|@]|A|$]]]|R|$S|$5|T|U|V|A|$W|L]]|X|$5|T|U|V|A|$W|P]]]]

It is currently not recommended to run node on port 80, as that requires running node as root.

How attached are you to apache? Proxying node through nginx is a tried and true solution, with an nginx-config such as this:

<pre><code>upstream node_cluster {
 ip_hash; 
 server 127.0.0.1:8000;
 server 127.0.0.1:8001;
 server 127.0.0.1:8002;
}

server {
 listen 0.0.0.0:80;
 server_name foo;
 access_log /var/log/nginx/foo.log;

 location / {
 proxy_set_header X-Real-IP $remote_addr;
 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 proxy_set_header Host $http_host;

 proxy_pass http://node_cluster/;
 proxy_redirect off;
 }
}
</code></pre>

Nginx documentation:

<a href="http://wiki.nginx.org/HttpProxyModule" rel="noreferrer">http://wiki.nginx.org/HttpProxyModule</a>

<a href="http://wiki.nginx.org/HttpUpstreamModule" rel="noreferrer">http://wiki.nginx.org/HttpUpstreamModule</a>

blocks|key|890934|text|您的代码类似于示例代码，其中创建了一个从端口80到端口9000的基于Node的代理，然后在端口9000上创建了一个基于Node的HTTP服务器。(即Node:80+->+Node:9000)|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|890935|启动Node时，您会得到"address+in+use“，因为Apache已经在使用端口80。如果要使用Apache进行代理，则必须在不同的端口(比如9000)上使用Node，并让Apache侦听端口80并将请求转发到端口9000上的Node。(即Apache:80+->+Node:9000)|890936|看起来您正在使用的库做的是相反的事情:使用Node作为代理并将请求转发到Apache。在这种情况下，您必须将Apache配置为在端口80以外的另一个端口上运行。(即Node:80+->+Apache:9000)。|890937|你到底想做Node:80+->+Apache:9000还是Apache:9000+->+Node:80？|890938|注释后编辑:如果您想执行Apache:80+->+Node:9000，可以在Apache上使用mod_proxy并使用ProxyPass/ProxyPassReverse指令，如下所示|890939|ProxyPass+/nodeurls/+http://localhost:9000/
ProxyPassReverse+/nodeurls/+http://localhost:9000/++|code-block|syntax|javascript|890940|其中nodeurls是您希望Apache转发到Node的URL系列。|890941|entityMap^0|22|K|0|3G|M|0|2A|M|0|5|M|T|M|0|C|M|1B|9|1N|9|1X|G|0|0|2|8|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Z|8|@$9|10|A|11|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|12|8|@$9|13|A|14|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|15|8|@$9|16|A|17|B|C]|$9|18|A|19|B|C]]|D|@]|E|$]]|$1|L|3|M|5|6|7|1A|8|@$9|1B|A|1C|B|C]|$9|1D|A|1E|B|C]|$9|1F|A|1G|B|C]|$9|1H|A|1I|B|C]]|D|@]|E|$]]|$1|N|3|O|5|P|7|1J|8|@]|D|@]|E|$Q|R]]|$1|S|3|T|5|6|7|1K|8|@$9|1L|A|1M|B|C]]|D|@]|E|$]]|$1|U|3|-4|5|6|7|1N|8|@]|D|@]|E|$]]]|V|$]]

Your code looks like example code in which you're creating a Node-based proxy from port 80 to port 9000, and then creating a Node-based HTTP server on port 9000. (i.e. <code>Node:80 -&gt; Node:9000</code>)

You are getting "address in use" when you launch Node because Apache is already using port 80. If you want to use Apache to proxy, you must use Node on a different port (say 9000) and have Apache listening on port 80 and forwarding the requests to Node on port 9000. (i.e. <code>Apache:80 -&gt; Node:9000</code>)

It looks like the library you're using is for doing the opposite: using Node as the proxy and forwarding requests to Apache. In this case you must configure Apache to run on another port than port 80. (i.e. <code>Node:80 -&gt; Apache:9000</code>).

Are you wanting to do <code>Node:80 -&gt; Apache:9000</code> or <code>Apache:9000 -&gt; Node:80</code>, in the end?

EDIT after comments: 
If you want to do <code>Apache:80 -&gt; Node:9000</code>, you can use <code>mod_proxy</code> on Apache and use the <code>ProxyPass</code>/<code>ProxyPassReverse</code> directives, something like

<pre><code>ProxyPass /nodeurls/ http://localhost:9000/
ProxyPassReverse /nodeurls/ http://localhost:9000/ 
</code></pre>

where <code>nodeurls</code> is the family of URLs you wish for Apache to forward to Node.

blocks|key|674231|text|在8080或更高的端口上运行你的应用程序|type|unstyled|depth|inlineStyleRanges|entityRanges|data|674232|sudo+iptables+-A+PREROUTING+-t+nat+-i+eth0+-p+tcp+--dport+80+-j+REDIRECT+--to-port+8080|code-block|syntax|javascript|674233|如果您没有使用ngnix或apache|674234|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

run your app on a high port 8080 or whatev then

<pre><code>sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080
</code></pre>

If you are not using ngnix or apache

blocks|key|674271|text|我也遇到了同样的问题，下面是我如何使用node-http-proxy侦听端口80，然后转发到express或apache来解决这个问题的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|674272|https://stackoverflow.com/a/9645091/500270|offset|length|674273|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|16|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@$D|O|E|P|1|Q]]|A|$]]|$1|F|3|-4|5|6|7|R|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|C]]]]

I was having the same issue, here is how I resolved it using node-http-proxy to listen on port 80, then forward to either express or apache.

<a href="https://stackoverflow.com/a/9645091/500270">https://stackoverflow.com/a/9645091/500270</a>

blocks|key|891019|text|如果您只是在开发环境模式下|type|unstyled|depth|inlineStyleRanges|entityRanges|data|891020|然后，您可以使用su+root|offset|length|style|CODE|891021|node+index.js或./node_modules/coffee-script/bin/coffee+index.coffee|891022|entityMap^0|0|8|7|0|0|D|E|1G|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@$D|N|E|O|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@$D|Q|E|R|F|G]|$D|S|E|T|F|G]]|9|@]|A|$]]|$1|J|3|-4|5|6|7|U|8|@]|9|@]|A|$]]]|K|$]]

if you just in develop environment mode 

you can <code>su root</code>, then

<code>node index.js</code> or <code>./node_modules/coffee-script/bin/coffee index.coffee</code>

blocks|key|891077|text|如果您是非root用户，则不能运行或绑定低于1024的端口(在Unix系统中)。要允许非root用户在低于1024的端口上运行node，请使用以下命令。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|891078|$+sudo+setcap+'cap_net_bind_service=%2Bep'+$(which+node)|code-block|syntax|javascript|891079|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|$]]

If you are a non-root user, you cannot run or bind with ports lower than 1024 (in Unix system). To allow non-root user can run node on port lower than 1024 use this command.

<pre><code>$ sudo setcap 'cap_net_bind_service=+ep' $(which node)
</code></pre>

blocks|key|674384|text|我也有同样的问题，我只是把我的端口改成了8080，它就起作用了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|674385|httpsServer.listen(8080,+()+=>
++++console.log(chalk.rgb(208,+60,+240)(`Server+listening+on+port:+8080`))
++);|code-block|syntax|javascript|674386|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|$]]

I had the same issue, I just changed my port to 8080 and it worked.
<pre><code>httpsServer.listen(8080, () =&gt;
 console.log(chalk.rgb(208, 60, 240)(`Server listening on port: 8080`))
 );
</code></pre>

My aim is to run Node.js on port 80. This is because I am finding node.js is being blocked from certain networks which do not allow traffic from any other port.

It appears that the best way to do this is by proxying Apache through Node.js. I have tried using <a href="https://github.com/nodejitsu/node-http-proxy">node-http-proxy</a> to do this but I have not had any luck. 

The code I am using is here:

<pre><code>var util = require('util'),
 http = require('http'),
 httpProxy = require('http-proxy');

httpProxy.createServer(9000, 'localhost').listen(80);

http.createServer(function (req, res) {
 res.writeHead(200, { 'Content-Type': 'text/plain' });
 res.write('request successfully proxied to: ' + req.url + '\n' + JSON.stringify(req.headers, true, 2));
 res.end();
}).listen(9000);
</code></pre>

But I keep getting the error "Address in use" for port 80. I must be doing something wrong.

How do I proxy Apache through node.js using node-http-proxy? Will this enable me to run node.js on port 80? And is node-http-proxy the best way to achieve this?

Thank you.

How do I run Node.js on port 80?

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我的目标是在端口80上运行Node.js。这是因为我发现某些网络阻止了node.js，这些网络不允许来自任何其他端口的流量。看起来最好的方法是通过Node.js代理Apache。我尝试过使用来做这件事，但是我没有任何运气。我使用的代码如下：var util = require('util'),    http = re...

问如何在端口80上运行Node.js？
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