arsoft.tools.net(DNS服务器)将流量从一个URL重定向到另一个URL(DNS转发) [英] arsoft.tools.net(DNS Server) Redirect traffic from one URL to another (DNS forwarding)
问题描述
遵循arsoft.tools.net上 https://docs.ar上的文档-soft.de/arsoft.tools.net/,我们刚刚开发了一个dns服务器来拦截来自网络的每个请求,一切正常!
Following the documentation of arsoft.tools.net on https://docs.ar-soft.de/arsoft.tools.net/, we just developed a dns server to intercept every request from the network, everything is working fine!
让我们放慢脚步的是:当客户端输入www.google.com(例如)时,我们想要显示或重定向到www.yahoo.com(或IP地址),如何执行的任何提示我们实现了吗?
The thing that is slowing us down is: When the client types www.google.com (for example), we want to show or redirect to www.yahoo.com(or an IP address), any clue of how can we achieve that?
有些人在这里寻找相同的解决方案: https://arsofttoolsnet.codeplex.com/discussions?searchText=redirect
There is some people looking for the same solution here: https://arsofttoolsnet.codeplex.com/discussions?searchText=redirect
Tks
更新1:
到目前为止,这就是我所拥有的,但是重定向不起作用:
So far, this is what I have, but, redirecting is not working:
class Program
{
static void Main(string[] args)
{
using (DnsServer server = new DnsServer(System.Net.IPAddress.Any, 10, 10))
{
server.QueryReceived += OnQueryReceived;
server.Start();
Console.WriteLine("Press any key to stop server");
Console.ReadLine();
}
}
static async Task OnQueryReceived(object sender, QueryReceivedEventArgs e)
{
DnsMessage query = e.Query as DnsMessage;
if (query == null)
return;
DnsMessage response = query.CreateResponseInstance();
//response.AnswerRecords.Clear();
//response.AdditionalRecords.Clear();
if ((response.Questions.Count == 1))
{
// send query to upstream server
DnsQuestion question = response.Questions[0];
if (question.Name.ToString().Contains("www.google.com"))
{
DnsMessage upstreamResponse = await DnsClient.Default.ResolveAsync(DomainName.Parse("www.yahoo.com"), question.RecordType, question.RecordClass);
//DnsMessage upstreamResponse = await DnsClient.Default.ResolveAsync(question.Name, question.RecordType, question.RecordClass);
foreach (DnsRecordBase record in (upstreamResponse.AnswerRecords))
{
response.AnswerRecords.Add(record);
}
foreach (DnsRecordBase record in (upstreamResponse.AdditionalRecords))
{
response.AdditionalRecords.Add(record);
}
response.ReturnCode = ReturnCode.NoError;
e.Response = response;
}
}
}
}
推荐答案
一段时间后,这是操作方法:
After some time, here is how to do:
class Program
{
static void Main(string[] args)
{
using (DnsServer server = new DnsServer(System.Net.IPAddress.Any, 10, 10))
{
server.QueryReceived += OnQueryReceived;
server.Start();
Console.WriteLine("Press any key to stop server");
Console.ReadLine();
}
}
static async Task OnQueryReceived(object sender, QueryReceivedEventArgs e)
{
DnsMessage query = e.Query as DnsMessage;
if (query == null)
return;
DnsMessage response = query.CreateResponseInstance();
DnsQuestion question = response.Questions[0];
DnsMessage upstreamResponse = await DnsClient.Default.ResolveAsync(!question.Name.ToString().Contains("www.google.com") ? question.Name : DomainName.Parse("www.yahoo.com"), question.RecordType, question.RecordClass);
foreach (DnsRecordBase record in upstreamResponse.AnswerRecords)
{
response.AnswerRecords.Add(record);
}
foreach (DnsRecordBase record in (upstreamResponse.AdditionalRecords))
{
response.AdditionalRecords.Add(record);
}
response.ReturnCode = ReturnCode.NoError;
e.Response = response;
}
}
如果您要指向某个IP地址:
If you want to point to some ip address:
static async Task OnQueryReceived(object sender, QueryReceivedEventArgs e)
{
DnsMessage query = e.Query as DnsMessage;
if (query == null) return;
DnsMessage response = query.CreateResponseInstance();
if (response.Questions.Any())
{
DnsQuestion question = response.Questions[0];
DnsMessage upstreamResponse = await DnsClient.Default.ResolveAsync(question.Name, question.RecordType, question.RecordClass);
response.AdditionalRecords.AddRange(upstreamResponse.AdditionalRecords);
response.ReturnCode = ReturnCode.NoError;
if (!question.Name.ToString().Contains("yourdomain.com"))
{
response.AnswerRecords.AddRange(upstreamResponse.AnswerRecords);
}
else
{
response.AnswerRecords.AddRange(
upstreamResponse.AnswerRecords
.Where(w => !(w is ARecord))
.Concat(
upstreamResponse.AnswerRecords
.OfType<ARecord>()
.Select(a => new ARecord(a.Name, a.TimeToLive, IPAddress.Parse("192.168.0.199"))) // some local ip address
)
);
}
e.Response = response;
}
}
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