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我在所有计算机上都遇到了 DNS 查找超时的问题。我启用了 TMG DNS 系统策略并添加了另一个防火墙策略以允许所有 DNS 从任何地方到任何地方。监视器显示没有拒绝的 DNS 连接。

DC/DNS/DHCP/Wins 服务器是 Windows 2008 R2 64 位服务器。DNS 有 2 个外部转发服务器，它们无法解析和反向查找所有计算机的指针。

这是 ipconfig 和 dnslookup 控制台日志：

C:\>ipconfig/all

   Host Name . . . . . . . . . . . . : APOLLO
   Primary Dns Suffix  . . . . . . . : estar.com
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : estar.com

Ethernet adapter Local Area Connection 4:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Local Area Connection - Virtual Network
   Physical Address. . . . . . . . . : 84-2B-2B-00-8F-BF
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::c0a8:fe0f%16(Preferred)
   Link-local IPv6 Address . . . . . : fe80::7802:18:9370:4669%16(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.254.15(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : fe80::c0a8:fe0b%16
                                       192.168.254.11
   DHCPv6 IAID . . . . . . . . . . . : 293874475
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-1B-27-53-84-2B-2B-00-8F-BF

   DNS Servers . . . . . . . . . . . : 192.168.254.15
                                       68.87.68.162
                                       68.87.74.162
   Primary WINS Server . . . . . . . : 192.168.254.15
   NetBIOS over Tcpip. . . . . . . . : Enabled

C:\>nslookup
DNS request timed out.
    timeout was 2 seconds.
Default Server:  UnKnown
Address:  192.168.254.15

C:\>nslookup www.google.com
DNS request timed out.
    timeout was 2 seconds.
Server:  UnKnown
Address:  ::1

DNS request timed out.
    timeout was 2 seconds.
DNS request timed out.
    timeout was 2 seconds.
*** Request to UnKnown timed-out

Gateway/ForeFront TMG 服务器是 Windows 2008 R2 64 位服务器。这是 ipconfig 和 dnslookup 控制台日志：

C:\>ipconfig/all

   Host Name . . . . . . . . . . . . : AGUIRRE
   Primary Dns Suffix  . . . . . . . : estar.com
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : Yes
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : estar.com

Ethernet adapter Internal NIC:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Broadcom BCM5708C NetXtreme II GigE (NDIS
 VBD Client) #2
   Physical Address. . . . . . . . . : 00-1C-23-CD-87-24
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::211c:a611:bba9:6c09%12(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.254.11(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . :
   DHCPv6 IAID . . . . . . . . . . . : 301997091
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-D8-60-67-00-1C-23-CD-87-22

   DNS Servers . . . . . . . . . . . : 192.168.254.15
                                       68.87.68.162
                                       68.87.74.162
   Primary WINS Server . . . . . . . : 192.168.254.15
   NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter External NIC:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Broadcom BCM5708C NetXtreme II GigE (NDIS
 VBD Client)
   Physical Address. . . . . . . . . : 00-1C-23-CD-87-22
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::c574:e9c8:3e05:ab%11(Preferred)
   IPv4 Address. . . . . . . . . . . : 70.91.104.193(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.252
   Default Gateway . . . . . . . . . : 70.91.104.194
   DHCPv6 IAID . . . . . . . . . . . : 234888227
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-D8-60-67-00-1C-23-CD-87-22

   DNS Servers . . . . . . . . . . . : 192.168.254.15
                                       68.87.68.162
                                       68.87.74.162
   NetBIOS over Tcpip. . . . . . . . : Disabled

C:\ >nslookup
Default Server:  apollo.estar.com
Address:  192.168.254.15

C:\>nslookup www.google.com
Server:  apollo.estar.com
Address:  192.168.254.15

DNS request timed out.
    timeout was 2 seconds.
DNS request timed out.
    timeout was 2 seconds.
*** Request to apollo.estar.com timed-out
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1 回答 1

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您是否允许 TCP/53 和 UDP/53 入站和出站 DNS 流量？不确定 TMG 是否有自动允许所有这些在一个设置中的规则集，或者您是否需要单独指定它们。

于 2012-09-15T12:53:56.510 回答