Samba 4.22.0rc4 released

The fourth release candidate for Samba 4.22.0 has been released for testing. The update introduces several new features, including SMB3 Directory Leases, Netlogon Ping over LDAP and LDAPS, as well as experimental Himmelblaud Authentication in Samba. Samba has introduced support for SMB3 Directory Leases, enabling clients to cache directory listings and minimize SMB requests.Netlogon Ping over LDAP and LDAPS enables Samba to retrieve domain controller information through straightforward queries on the AD rootDSE's netlogon attribute. Samba can now be configured to utilize TCP through the newly introduced "client netlogon ping protocol" parameter, facilitating operation in environments where firewalls entirely restrict port 389 or UDP traffic to domain controllers.

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