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[DOCS] Remove references to bootstrap.system_call_filter #85964

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Apr 18, 2022
Merged

[DOCS] Remove references to bootstrap.system_call_filter #85964

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5 changes: 2 additions & 3 deletions docs/reference/setup/bootstrap-checks.asciidoc
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Original file line number Diff line number Diff line change
Expand Up @@ -194,10 +194,9 @@ filters are installed to prevent the ability to execute system calls
related to forking as a defense mechanism against arbitrary code
execution attacks on Elasticsearch. The system call filter check ensures
that if system call filters are enabled, then they were successfully
installed. To pass the system call filter check you must either fix any
installed. To pass the system call filter check you must fix any
configuration errors on your system that prevented system call filters
from installing (check your logs), or *at your own risk* disable system
call filters by setting `bootstrap.system_call_filter` to `false`.
from installing (check your logs).

=== OnError and OnOutOfMemoryError checks

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7 changes: 1 addition & 6 deletions server/src/main/java/org/elasticsearch/bootstrap/BootstrapSettings.java
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Expand Up @@ -23,12 +23,7 @@ private BootstrapSettings() {}
);

public static final Setting<Boolean> MEMORY_LOCK_SETTING = Setting.boolSetting("bootstrap.memory_lock", false, Property.NodeScope);
public static final Setting<Boolean> SYSTEM_CALL_FILTER_SETTING = Setting.boolSetting(
"bootstrap.system_call_filter",
true,
Property.DeprecatedWarning,
Property.NodeScope
);

public static final Setting<Boolean> CTRLHANDLER_SETTING = Setting.boolSetting("bootstrap.ctrlhandler", true, Property.NodeScope);

}
7 changes: 1 addition & 6 deletions server/src/test/java/org/elasticsearch/bootstrap/BootstrapChecksTests.java
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Expand Up @@ -447,12 +447,7 @@ String getUseSerialGC() {

public void testSystemCallFilterCheck() throws NodeValidationException {
final AtomicBoolean isSystemCallFilterInstalled = new AtomicBoolean();
final BootstrapContext context;
if (randomBoolean()) {
context = createTestContext(Settings.builder().put("bootstrap.system_call_filter", true).build(), null);
} else {
context = emptyContext;
}
final BootstrapContext context = emptyContext;

final BootstrapChecks.SystemCallFilterCheck systemCallFilterEnabledCheck = new BootstrapChecks.SystemCallFilterCheck() {

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