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Merge pull request #5182 from Potapy4/patch-1

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Fix code snippet
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Daniel Simpson 2019-10-15 09:38:25 -07:00 committed by GitHub
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windows/client-management/troubleshoot-tcpip-connectivity.md
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@ -89,7 +89,7 @@ The application which is causing the reset (identified by port numbers) should b
>The above information is about resets from a TCP standpoint and not UDP. UDP is a connectionless protocol and the packets are sent unreliably. You would not see retransmission or resets when using UDP as a transport protocol. However, UDP makes use of ICMP as a error reporting protocol. When you have the UDP packet sent out on a port and the destination does not have port listed, you will see the destination sending out **ICMP Destination host unreachable: Port unreachable** message immediately after the UDP packet >The above information is about resets from a TCP standpoint and not UDP. UDP is a connectionless protocol and the packets are sent unreliably. You would not see retransmission or resets when using UDP as a transport protocol. However, UDP makes use of ICMP as a error reporting protocol. When you have the UDP packet sent out on a port and the destination does not have port listed, you will see the destination sending out **ICMP Destination host unreachable: Port unreachable** message immediately after the UDP packet
```typescript ```
10.10.10.1 10.10.10.2 UDP UDP:SrcPort=49875,DstPort=3343 10.10.10.1 10.10.10.2 UDP UDP:SrcPort=49875,DstPort=3343
10.10.10.2 10.10.10.1 ICMP ICMP:Destination Unreachable Message, Port Unreachable,10.10.10.2:3343 10.10.10.2 10.10.10.1 ICMP ICMP:Destination Unreachable Message, Port Unreachable,10.10.10.2:3343
@ -98,7 +98,7 @@ The application which is causing the reset (identified by port numbers) should b
During the course of troubleshooting connectivity issue, you might also see in the network trace that a machine receives packets but does not respond to. In such cases, there could be a drop at the server level. You should enable firewall auditing on the machine to understand if the local firewall is dropping the packet. During the course of troubleshooting connectivity issue, you might also see in the network trace that a machine receives packets but does not respond to. In such cases, there could be a drop at the server level. You should enable firewall auditing on the machine to understand if the local firewall is dropping the packet.
```typescript ```
auditpol /set /subcategory:"Filtering Platform Packet Drop" /success:enable /failure:enable auditpol /set /subcategory:"Filtering Platform Packet Drop" /success:enable /failure:enable
``` ```