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Andrew Bartlett 614d9c2235 CVE-2023-42670 s3-rpc_server: Strictly refuse to start RPC servers in conflict with AD DC
Just as we refuse to start NETLOGON except on the DC, we must refuse
to start all of the RPC services that are provided by the AD DC.

Most critically of course this applies to netlogon, lsa and samr.

This avoids the supression of these services being the result of a
runtime epmapper lookup, as if that fails these services can disrupt
service to end users by listening on the same socket as the AD DC
servers.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15473

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
2023-10-08 22:07:05 +02:00
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