如何获取 iPhone 聊天应用程序的端口号
我正在开发一个聊天应用程序。
但现在只能通过谷歌聊天，因为我只知道谷歌的端口号。
xmppClient = [[XMPPClient alloc] init];
[xmppClient addDelegate:self];
// Replace me with the proper domain and port.
// The example below is setup for a typical google talk account.
[xmppClient setDomain:@"talk.google.com"];
[xmppClient setPort:5222];
可以看到，google已经将端口号设置为5222。
同样，我想为 yahoo、windows Messenger 和 Windows 设置端口号。其他热门网站，我怎样才能获得所有这些？
（是这样的 - “XMPP 是 Google 专用的”吗？？）
I am developing a chat application.
But Right now chatting is possible with only google because I know only google's port no.
xmppClient = [[XMPPClient alloc] init];
[xmppClient addDelegate:self];
// Replace me with the proper domain and port.
// The example below is setup for a typical google talk account.
[xmppClient setDomain:@"talk.google.com"];
[xmppClient setPort:5222];
You can see that, google has set 5222 as port number.
Same way I want to set port no for yahoo, windows messenger & other popular sites, How can I get all these?
(Is it something like that - "XMPP is specific for Google ones" ? ? )
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Kraken 的 Openfire 属性页面 有您需要的端口和域信息。只需重复使用并尝试您的应用程序即可。
Kraken's Openfire Properties Page has the port and domain information you need. Just re-use and try with your application.
5222/tcp 是 XMPP 的默认端口，但您的实现可能有不同的端口。要找到答案，您可以对
_xmpp-client._tcp 执行 DNS SRV 查询。 YOURDOMAIN，将YOURDOMAIN替换为您尝试连接的域。这将返回 0+ 条记录，其中包含有关如何连接的主机名/端口组合。如果返回 0 条记录，则假设端口为 5222。例如，我要连接到 GoogleTalk 服务器，并使用帐户
[电子邮件受保护]。我的客户端执行可以在命令行上使用 dig 模拟的查找，如下所示：优先级最低的结果是
5 0 5222 talk.l.google.com.，这意味着您打开一个TCP 连接到端口 5222 上的talk.l.google.com。要从代码进行 SRV 查询，请查看 这个答案，它依赖于 DNSServiceQueryRecord。
5222/tcp is the default port for XMPP, but your implementation may have a different one. To find out, you do a DNS SRV query for
_xmpp-client._tcp.YOURDOMAIN, where you replaceYOURDOMAINwith the domain you're trying to connect to. This will return 0+ records that have hostname/port combinations for how to connect. If you get 0 records back, assume port 5222.For example, I want to connect to the GoogleTalk server, and log in with the account
[email protected]. My client performs the lookup that can be simulated with dig on the command line like this:The result with the lowest priority number is
5 0 5222 talk.l.google.com., which means you open a TCP connection totalk.l.google.comon port 5222.To make SRV queries from code, check out this answer, which relies on DNSServiceQueryRecord.