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| author | Stefan Metzmacher <metze@samba.org> | 2020-06-23 18:30:15 +0200 |
|---|---|---|
| committer | Jeremy Allison <jra@samba.org> | 2020-06-27 04:20:39 +0000 |
| commit | 6fc8ed1385aa8309b7ae6263541505ac978e4591 (patch) | |
| tree | f449723087f65ee2136dee3233700be080430d4d /docs-xml | |
| parent | 6b5bd280f0f85aeb166559fc074cbbfb220911a9 (diff) | |
| download | samba-6fc8ed1385aa8309b7ae6263541505ac978e4591.tar.gz | |
docs-xml/smbdotconf: add "smb2 disable lock sequence checking"
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Diffstat (limited to 'docs-xml')
| -rw-r--r-- | docs-xml/smbdotconf/protocol/smb2_disable_lock_sequence_checking.xml | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/docs-xml/smbdotconf/protocol/smb2_disable_lock_sequence_checking.xml b/docs-xml/smbdotconf/protocol/smb2_disable_lock_sequence_checking.xml new file mode 100644 index 00000000000..9ca7187fb51 --- /dev/null +++ b/docs-xml/smbdotconf/protocol/smb2_disable_lock_sequence_checking.xml @@ -0,0 +1,41 @@ +<samba:parameter name="smb2 disable lock sequence checking" + context="G" + type="boolean" + xmlns:samba="http://www.samba.org/samba/DTD/samba-doc"> +<description> + <para>This boolean parameter controls whether + <citerefentry><refentrytitle>smbd</refentrytitle> + <manvolnum>8</manvolnum></citerefentry> will disable + lock sequence checking even for multi-channel connections + as well as durable handles. + </para> + + <para>The [MS-SMB2] specification (under 3.3.5.14 Receiving an SMB2 LOCK Request) + documents that a server should do lock sequence if Open.IsResilient or Open.IsDurable + or Open.IsPersistent is TRUE or if Connection.Dialect belongs to the SMB 3.x dialect + family and Connection.ServerCapabilities includes SMB2_GLOBAL_CAP_MULTI_CHANNEL. + </para> + + <para>But Windows Server (at least up to v2004) only does these checks + for the Open.IsResilient and Open.IsPersistent. + That means they do not implement the behavior specified + in [MS-SMB2].</para> + + <para>By default Samba behaves according to the specification + and sends smb2 oplock break notification retries.</para> + + <para>Warning: Only enable this option if existing clients can't + handle lock sequence checking for handles without Open.IsResilient and Open.IsPersistent. + And it turns out that the Windows Server behavior is required.</para> + + <para>Note: it's likely that this option will be removed again + if future Windows versions change their behavior.</para> + + <para>Note: Samba does not implement Open.IsResilient and Open.IsPersistent yet.</para> +</description> + +<related>server multi channel support</related> + +<value type="default">no</value> +<value type="example">yes</value> +</samba:parameter> |