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Update ldap-kerberos-server-not-respond-udp-request-reset-tcp-sessions.md
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support/windows-server/identity/ldap-kerberos-server-not-respond-udp-request-reset-tcp-sessions.md

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@@ -47,7 +47,7 @@ You're running the Windows Server role AD DS. The client sends a Kerberos authen
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> [!NOTE]
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> The Microsoft Kerberos client uses TCP Kerberos authentication by default since Windows Vista. Therefore, this issue likely occurs only with third-party products that use UDP for Kerberos requests.
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The KDC has a built-in protection against request loops and blocks Kerberos authentication requests on source ports 88/udp and 464/UDP. However, the implementation has a bug in byte ordering, so source ports 22528/UDP and 53249/UDP are blocked.
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The KDC has a built-in protection against request loops and blocks Kerberos authentication requests on source ports 88/UDP and 464/UDP. However, the implementation has a bug in byte ordering, so source ports 22528/UDP and 53249/UDP are blocked.
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You have to exclude 22528/UDP and 53249/UDP from the ephemeral port range of UDP on the client.
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