详解C#使用AD(Active Directory)验证内网用户名密码

详解C#使用AD(Active Directory)验证内网用户名密码

1. 连到内网,找到AD的domain地址

nslookup 
set types=all
_ldap._tcp

2. 验证AD的函数

public bool ADLogin(string userName, string password) 
  { 
    // sample : 
    // LDAP://xxx.com 
    string domain = System.Configuration.ConfigurationManager.AppSettings["AD_Domain"]; 
     
    try 
    { 
      DirectoryEntry entry = new DirectoryEntry(domain, userName, password); 
      object obj = entry.NativeObject; 
      DirectorySearcher search = new DirectorySearcher(entry); 
      search.Filter = string.Format("(SAMAccountName={0})", userName); 
      search.PropertiesToLoad.Add("cn"); 


      SearchResult result = search.FindOne(); 
      if (result == null) 
        return false; 
    } 
    catch (Exception ex) 
    { 
      log.Error(ex); 
      return false; 
    } 


    return true; 
  } 



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