Python: Getting Active Directory Subnets

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by Lisa

Like my script that pulls the AD site information – this lets me see what subnets are defined and which sites are assigned to those subnets. I was able to quickly confirm that the devices that had problems communicating with Active Directory don’t have a site defined. Way back in 2000, we created a “catch all” 10.0.0.0/8 subnet and assigned it to the user authentication site. New networks on a whole different addressing scheme don’t have a site assignment. It should still work, but the application in question has historically had issues with going the “Ok, list ’em all” route. 

from ldap3 import Server, Connection, ALL, SUBTREE, Tls
import ssl
import getpass

# Attempt to import USERNAME and PASSWORD from config.py
try:
    from config import USERNAME, PASSWORD
except ImportError:
    USERNAME, PASSWORD = None, None

# Define constants
LDAP_SERVER = 'ad.example.com'
LDAP_PORT = 636

def get_subnets_and_sites(username, password):
    # Set up TLS configuration
    tls_configuration = Tls(validate=ssl.CERT_REQUIRED, version=ssl.PROTOCOL_TLSv1_2)

    # Connect to the LDAP server
    server = Server(LDAP_SERVER, port=LDAP_PORT, use_ssl=True, tls=tls_configuration, get_info=ALL)
    connection = Connection(server, user=username, password=password, authentication='SIMPLE', auto_bind=True)

    # Define the search base for subnets
    search_base = 'CN=Subnets,CN=Sites,CN=Configuration,DC=example,DC=com'  # Change this to match your domain's DN
    search_filter = '(objectClass=subnet)'  # Filter to find all subnet objects
    search_attributes = ['cn', 'siteObject']  # Retrieve the common name and site object references

    # Perform the search
    connection.search(search_base, search_filter, SUBTREE, attributes=search_attributes)

    # Extract and return subnets and their site assignments
    subnets_sites = []
    for entry in connection.entries:
        subnet_name = entry.cn.value
        site_dn = entry.siteObject.value if entry.siteObject else "No site assigned"
        subnets_sites.append((subnet_name, site_dn))

    return subnets_sites

def print_subnets_and_sites(subnets_sites):
    if subnets_sites:
        print("\nSubnets and their Site Assignments:")
        for subnet, site in subnets_sites:
            print(f"Subnet: {subnet}, Site: {site}")
    else:
        print("No subnets found in the domain.")

def main():
    # Prompt for username and password if not available in config.py
    username = USERNAME if USERNAME else input("Enter your LDAP username: ")
    password = PASSWORD if PASSWORD else getpass.getpass("Enter your LDAP password: ")

    subnets_sites = get_subnets_and_sites(username, password)
    print_subnets_and_sites(subnets_sites)

if __name__ == "__main__":
    main()

Python: Get Active Directory Sites

Avatar
by Lisa

One down side of not administering the Active Directory domain anymore is that I don’t have the quick GUI tools that show you how “stuff” is set up. Luckily, the sites are all reflected in AD objects that can be read by authenticated users:

from ldap3 import Server, Connection, ALL, SIMPLE, SUBTREE, Tls
import ssl
import getpass

# Attempt to import USERNAME and PASSWORD from config.py
try:
    from config import USERNAME, PASSWORD
except ImportError:
    USERNAME, PASSWORD = None, None

# Define constants
LDAP_SERVER = 'ad.example.com'
LDAP_PORT = 636

def get_all_sites(username, password):
    # Set up TLS configuration
    tls_configuration = Tls(validate=ssl.CERT_REQUIRED, version=ssl.PROTOCOL_TLSv1_2)

    # Connect to the LDAP server
    server = Server(LDAP_SERVER, port=LDAP_PORT, use_ssl=True, tls=tls_configuration, get_info=ALL)
    connection = Connection(server, user=username, password=password, authentication='SIMPLE', auto_bind=True)

    # Define the search base for sites
    search_base = 'CN=Sites,CN=Configuration,DC=example,DC=com'  # Update to match your domain's DN structure
    search_filter = '(objectClass=site)'  # Filter to find all site objects
    search_attributes = ['cn']  # We only need the common name (cn) of the sites

    # Perform the search
    connection.search(search_base, search_filter, SUBTREE, attributes=search_attributes)

    # Extract and return site names
    site_names = [entry['cn'].value for entry in connection.entries]
    return site_names

def print_site_names(site_names):
    if site_names:
        print("\nAD Sites:")
        for site in site_names:
            print(f"- {site}")
    else:
        print("No sites found in the domain.")

def main():
    # Prompt for username and password if not available in config.py
    username = USERNAME if USERNAME else input("Enter your LDAP username: ")
    password = PASSWORD if PASSWORD else getpass.getpass("Enter your LDAP password: ")

    site_names = get_all_sites(username, password)
    print_site_names(site_names)

if __name__ == "__main__":
    main()

Ohio Voter Turnout

Avatar
by Lisa

The current data from https://liveresults.ohiosos.gov/ shows the five biggest counties in Ohio are all in the top ten “bad” voter turnout counties. Ohio’s unofficial turnout is 69.69%. At least so far.

County Registered Voters Ballots Counted Unofficial Voter Turnout Outstanding Absentees Outstanding Provisionals Total Precincts Election Day Precincts Reporting Election Day % Precincts Reporting Metro NonVoter Count
Greene 122,193 49,991 40.91 1,267 2,044 146 146 100 72,204
Lucas 304,907 187,235 61.41 2,856 4,426 303 303 100 Toledo 117,664
Lawrence 43,020 26,586 61.8 239 423 84 84 100 16,434
Cuyahoga 893,801 571,397 63.93 15,697 14,183 967 967 100 Cleveland 322,394
Athens 38,592 24,956 64.67 265 1,537 56 56 100 13,635
Franklin 903,493 592,418 65.57 9,235 19,563 888 888 100 Columbus 311,073
Pike 18,010 12,072 67.03 113 314 22 22 100 5,938
Hamilton 604,178 405,825 67.17 6,360 12,659 562 562 100 Cincinnati 198,352
Montgomery 373,582 251,763 67.39 4,909 6,200 381 381 100 Dayton 121,825
Scioto 45,434 30,666 67.5 247 1,041 77 77 100 14,766

ElasticSearch 7.7.0 with Log4j 2.24.1

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by Lisa

Interestingly, I am still able to manually upgrade the log4j components of ElasticSearch 7.7.0 to keep off the “naughty list” of vulnerabilities at work. I am successfully using 2.24.1 with ElasticSearch 7.7.0, OpenDistro, and the S3 backup plug-in.

Same script as before — just downloaded newer JARs, placed them into the /tmp folder on each server, and set the l4jver variable to the current release. 

export l4jver=2.24.1
systemctl stop elasticsearch 

# Remove old jars
rm  --interactive=never /opt/elk/elasticsearch/lib/log4j-api-*.jar
rm  --interactive=never /opt/elk/elasticsearch/lib/log4j-core-*.jar
rm  --interactive=never /opt/elk/elasticsearch/modules/x-pack-identity-provider/log4j-slf4j-impl-*.jar
rm  --interactive=never /opt/elk/elasticsearch/modules/x-pack-security/log4j-slf4j-impl-*.jar
rm  --interactive=never /opt/elk/elasticsearch/plugins/opendistro_security/log4j-slf4j-impl-*.jar
rm  --interactive=never /opt/elk/elasticsearch/modules/x-pack-core/log4j-1.2-api-*.jar 
rm  --interactive=never /opt/elk/elasticsearch/plugins/repository-s3/log4j-1.2-api-*.jar 

# Copy in upgraded jars
cp /tmp/log4j-api-$l4jver*.jar /opt/elk/elasticsearch/lib/
cp /tmp/log4j-core-$l4jver*.jar /opt/elk/elasticsearch/lib/
cp /tmp/log4j-slf4j-impl-$l4jver*.jar /opt/elk/elasticsearch/modules/x-pack-identity-provider/
cp /tmp/log4j-slf4j-impl-$l4jver*.jar /opt/elk/elasticsearch/modules/x-pack-security/
cp /tmp/log4j-slf4j-impl-$l4jver*.jar /opt/elk/elasticsearch/plugins/opendistro_security/
cp /tmp/log4j-1.2-api-$l4jver*.jar /opt/elk/elasticsearch/modules/x-pack-core/
cp /tmp/log4j-1.2-api-$l4jver*.jar /opt/elk/elasticsearch/plugins/repository-s3/

# Fix permissions
chown elkadmin:elkadmin /opt/elk/elasticsearch/lib/log4j*
chown elkadmin:elkadmin /opt/elk/elasticsearch/modules/x-pack-core/log4j*
chown elkadmin:elkadmin /opt/elk/elasticsearch/modules/x-pack-identity-provider/log4j*
chown elkadmin:elkadmin /opt/elk/elasticsearch/modules/x-pack-security/log4j*
chown elkadmin:elkadmin /opt/elk/elasticsearch/plugins/repository-s3/log4j*
chown elkadmin:elkadmin /opt/elk/elasticsearch/plugins/opendistro_security/log4j*

systemctl start elasticsearch

SNMPWalk

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by Lisa

I’ve been doing a lot of testing with SNMP this week, and it is helpful to have an ad hoc SNMP client that can retrieve data before you go about trying to retrieve and parse data in your own code. I’m a lot more confident telling someone they gave me a bad community string if someone else’s “known working” program fails! Enter snmpwalk

Some of our devices return data out of order, so I need the -Cc (turn off check for increasing OID numbers). The following command walks the 1.3.6.1.2.1.2.2.1.2 (ifDescr) tree for host 10.13.115.82 using the community string C0mmun1tyStr1ngH3r3: 

snmpwalk -v 2c -c C0mmun1tyStr1ngH3r3 -Cc "10.13.115.82" .1.3.6.1.2.1.2.2.1.2
IF-MIB::ifDescr.1 = STRING: eth 6/0
IF-MIB::ifDescr.2 = STRING: eth 7/0
IF-MIB::ifDescr.1000072 = STRING: XGige 6/0
IF-MIB::ifDescr.1000073 = STRING: XGige 6/1
IF-MIB::ifDescr.1000074 = STRING: XGige 6/2
IF-MIB::ifDescr.1000075 = STRING: XGige 6/3
IF-MIB::ifDescr.1000076 = STRING: XGige 6/4
IF-MIB::ifDescr.1000077 = STRING: XGige 6/5
IF-MIB::ifDescr.1000078 = STRING: XGige 6/6
IF-MIB::ifDescr.1000079 = STRING: XGige 6/7
IF-MIB::ifDescr.1000080 = STRING: Gige 6/0

PowerShell to Uninstall an Application

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by Lisa

I was curious if, instead of getting prompted for the local admin account for each application I want to remove, I could run PowerShell “as a different user” then use it to uninstall an application or list of applications. In this case, all of the .NET 6 stuff. Answer: absolutely. 

# List all installed applications containing string "NET"
# Get-WmiObject -Class Win32_Product | Where-Object { $_.Name -like '*NET*' } | Select-Object -Property Name

# Define a static list of application names to uninstall
$appsToUninstall = @(
    'Microsoft .NET Runtime - 6.0.36 (x86)',
    'Microsoft .NET Host FX Resolver - 6.0.36 (x64)',
    'Microsoft .NET Host - 6.0.36 (x64)',
    'Microsoft .NET Host FX Resolver - 6.0.36 (x86)',
    'Microsoft .NET Host - 6.0.36 (x86)',
    'Microsoft .NET Runtime - 6.0.36 (x64)',
    'Microsoft.NET.Workload.Emscripten.net6.Manifest (x64)'
)

# Loop through each application name in the static list
foreach ($appName in $appsToUninstall) {
    # Find the application object by name
    $app = Get-WmiObject -Class Win32_Product | Where-Object { $_.Name -eq $appName }
    
    # Check if the application was found before attempting to uninstall
    if ($app) {
        Write-Output "Uninstalling $($app.Name)..."
        $app.Uninstall() | Out-Null
        Write-Output "$($app.Name) has been uninstalled successfully."
    }
    else {
        Write-Output "Application $appName not found."
    }
}

On Formula

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by Lisa

Throughout history, there have been wild swings in public perception of scientific progress. Ages of “enlightenment” and “dark ages”. We’re in yet another swing — this time from “Ooh, science! How amazing! Nothing science does could possibly be bad” to “eww, chemicals. You scientists are gonna give us all cancer and destroy the planet”.

My personal opinion — humans do not understand all of the little, interconnected, nuanced things that have evolved naturally over millions of years. We may discover some symbiotic relationship between soil bacteria and plants that mean food grown on regenerative farms is actually healthier than food grown with artificial fertilizers, herbicides, and pesticides. Maybe the plants produce different components because cabbage worms are starting to eat the leaves, thus eliminating the bugs reduced the nutritional value of the food.

But I certainly don’t think we should all stop eating anything that isn’t grown in our own back yard today because mass agriculture isn’t 100% producing the same food. We’ve got to eat something. A lot of somethings. Every day. And I view formula the same way … it’s certainly good enough to sustain growth and development. Is it missing something we don’t even understand yet? Maybe! I expect the first formula formulation and what is in the store today differ as new discoveries were made. But villainizing formula is just as silly as refusing to eat anything you didn’t grow.

Debugging Logstash

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by Lisa

Running all of the logstash pipelines in debug mode produces an inundating amount of data, but you can stop logstash and manually run an individual pipeline file (-f) from the command line:

/opt/elk/logstash/bin/logstash -f /opt/elk/logstash/config/ljr_testing.conf --log.level debug

Which still produces a lot of output, but it’s all relevant to the pipeline that is experiencing a problem:

Using bundled JDK: /opt/elk/logstash/jdk
/opt/elk/logstash-8.13.1/vendor/bundle/jruby/3.1.0/gems/concurrent-ruby-1.1.9/lib/concurrent-ruby/concurrent/executor/java_thread_pool_executor.rb:13: warning: method redefined; discarding old to_int
/opt/elk/logstash-8.13.1/vendor/bundle/jruby/3.1.0/gems/concurrent-ruby-1.1.9/lib/concurrent-ruby/concurrent/executor/java_thread_pool_executor.rb:13: warning: method redefined; discarding old to_f
Sending Logstash logs to /opt/elk/logstash/logs which is now configured via log4j2.properties
[2024-10-23T10:47:36,364][INFO ][logstash.runner          ] Log4j configuration path used is: /opt/elk/logstash/config/log4j2.properties
[2024-10-23T10:47:36,369][INFO ][logstash.runner          ] Starting Logstash {"logstash.version"=>"8.13.1", "jruby.version"=>"jruby 9.4.5.0 (3.1.4) 2023-11-02 1abae2700f OpenJDK 64-Bit Server VM 17.0.10+7 on 17.0.10+7 +indy +jit [x86_64-linux]"}
[2024-10-23T10:47:36,371][INFO ][logstash.runner          ] JVM bootstrap flags: [-Xms1g, -Xmx1g, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djdk.io.File.enableADS=true, -Djruby.compile.invokedynamic=true, -Djruby.jit.threshold=0, -Djruby.regexp.interruptible=true, -XX:+HeapDumpOnOutOfMemoryError, -Djava.security.egd=file:/dev/urandom, -Dlog4j2.isThreadContextMapInheritable=true, --add-opens=java.base/sun.nio.ch=ALL-UNNAMED, --add-opens=java.base/java.io=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED, --add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED, --add-opens=java.base/java.security=ALL-UNNAMED, --add-opens=java.base/java.io=ALL-UNNAMED, --add-opens=java.base/java.nio.channels=ALL-UNNAMED, --add-opens=java.base/sun.nio.ch=ALL-UNNAMED, --add-opens=java.management/sun.management=ALL-UNNAMED, -Dio.netty.allocator.maxOrder=11]
[2024-10-23T10:47:36,376][DEBUG][logstash.modules.scaffold] Found module {:module_name=>"fb_apache", :directory=>"/opt/elk/logstash/modules/fb_apache/configuration"}
[2024-10-23T10:47:36,376][DEBUG][logstash.plugins.registry] Adding plugin to the registry {:name=>"fb_apache", :type=>:modules, :class=>#<LogStash::Modules::Scaffold:0x14917e38 @directory="/opt/elk/logstash/modules/fb_apache/configuration", @module_name="fb_apache", @kibana_version_parts=["6", "0", "0"]>}
[2024-10-23T10:47:36,379][DEBUG][logstash.modules.scaffold] Found module {:module_name=>"netflow", :directory=>"/opt/elk/logstash/modules/netflow/configuration"}
[2024-10-23T10:47:36,379][DEBUG][logstash.plugins.registry] Adding plugin to the registry {:name=>"netflow", :type=>:modules, :class=>#<LogStash::Modules::Scaffold:0x5909021c @directory="/opt/elk/logstash/modules/netflow/configuration", @module_name="netflow", @kibana_version_parts=["6", "0", "0"]>}
[2024-10-23T10:47:36,408][DEBUG][logstash.runner          ] Setting global FieldReference escape style: none
[2024-10-23T10:47:36,606][DEBUG][logstash.runner          ] -------- Logstash Settings (* means modified) ---------
[2024-10-23T10:47:36,606][DEBUG][logstash.runner          ] allow_superuser: true
[2024-10-23T10:47:36,606][DEBUG][logstash.runner          ] node.name: "logstashhost.example.net"
[2024-10-23T10:47:36,606][DEBUG][logstash.runner          ] *path.config: "/opt/elk/logstash/config/ljr_testing.conf"
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] path.data: "/opt/elk/logstash/data"
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] modules.cli: #<Java::OrgLogstashUtil::ModulesSettingArray: []>
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] modules: []
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] modules_list: []
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] modules_variable_list: []
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] modules_setup: false
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] config.test_and_exit: false
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] config.reload.automatic: false
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] config.reload.interval: #<Java::OrgLogstashUtil::TimeValue:0x4e8224cf>
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] config.support_escapes: false
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] config.field_reference.escape_style: "none"
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] event_api.tags.illegal: "rename"
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] metric.collect: true
[2024-10-23T10:47:36,607][DEBUG][logstash.runner          ] pipeline.id: "main"
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] pipeline.system: false
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] pipeline.workers: 4
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] pipeline.batch.size: 125
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] pipeline.batch.delay: 50
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] pipeline.unsafe_shutdown: false
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] pipeline.reloadable: true
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] pipeline.plugin_classloaders: false
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] pipeline.separate_logs: false
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] pipeline.ordered: "auto"
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] pipeline.ecs_compatibility: "v8"
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] path.plugins: []
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] config.debug: false
[2024-10-23T10:47:36,608][DEBUG][logstash.runner          ] *log.level: "debug" (default: "info")
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] version: false
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] help: false
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] enable-local-plugin-development: false
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] log.format: "plain"
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] api.enabled: true
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] *api.http.host: "10.166.25.148" (via deprecated `http.host`; default: "127.0.0.1")
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] *http.host: "10.166.25.148"
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] *api.http.port: 9600..9600 (via deprecated `http.port`; default: 9600..9700)
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] *http.port: 9600..9600
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] api.environment: "production"
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] api.auth.type: "none"
[2024-10-23T10:47:36,609][DEBUG][logstash.runner          ] api.auth.basic.password_policy.mode: "WARN"
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] api.auth.basic.password_policy.length.minimum: 8
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] api.auth.basic.password_policy.include.upper: "REQUIRED"
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] api.auth.basic.password_policy.include.lower: "REQUIRED"
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] api.auth.basic.password_policy.include.digit: "REQUIRED"
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] api.auth.basic.password_policy.include.symbol: "OPTIONAL"
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] api.ssl.enabled: false
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] api.ssl.supported_protocols: []
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] queue.type: "memory"
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] queue.drain: false
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] queue.page_capacity: 67108864
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] queue.max_bytes: 1073741824
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] queue.max_events: 0
[2024-10-23T10:47:36,610][DEBUG][logstash.runner          ] queue.checkpoint.acks: 1024
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] queue.checkpoint.writes: 1024
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] queue.checkpoint.interval: 1000
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] queue.checkpoint.retry: true
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] dead_letter_queue.enable: false
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] dead_letter_queue.max_bytes: 1073741824
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] dead_letter_queue.flush_interval: 5000
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] dead_letter_queue.storage_policy: "drop_newer"
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] slowlog.threshold.warn: #<Java::OrgLogstashUtil::TimeValue:0x3436da82>
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] slowlog.threshold.info: #<Java::OrgLogstashUtil::TimeValue:0x1001ede3>
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] slowlog.threshold.debug: #<Java::OrgLogstashUtil::TimeValue:0x41820105>
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] slowlog.threshold.trace: #<Java::OrgLogstashUtil::TimeValue:0x2bb4b203>
[2024-10-23T10:47:36,611][DEBUG][logstash.runner          ] keystore.classname: "org.logstash.secret.store.backend.JavaKeyStore"
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] keystore.file: "/opt/elk/logstash/config/logstash.keystore"
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] *monitoring.cluster_uuid: "hosq-h4ESECe63l2DvgymA"
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] path.queue: "/opt/elk/logstash/data/queue"
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] path.dead_letter_queue: "/opt/elk/logstash/data/dead_letter_queue"
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] path.settings: "/opt/elk/logstash/config"
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] path.logs: "/opt/elk/logstash/logs"
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] xpack.monitoring.enabled: false
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] xpack.monitoring.elasticsearch.hosts: ["http://localhost:9200"]
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] xpack.monitoring.collection.interval: #<Java::OrgLogstashUtil::TimeValue:0x35f2b220>
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] xpack.monitoring.collection.timeout_interval: #<Java::OrgLogstashUtil::TimeValue:0x296c863c>
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] xpack.monitoring.elasticsearch.username: "logstash_system"
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] xpack.monitoring.elasticsearch.ssl.verification_mode: "full"
[2024-10-23T10:47:36,612][DEBUG][logstash.runner          ] xpack.monitoring.elasticsearch.ssl.cipher_suites: []
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] xpack.monitoring.elasticsearch.sniffing: false
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] xpack.monitoring.collection.pipeline.details.enabled: true
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] xpack.monitoring.collection.config.enabled: true
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] monitoring.enabled: false
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] monitoring.elasticsearch.hosts: ["http://localhost:9200"]
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] monitoring.collection.interval: #<Java::OrgLogstashUtil::TimeValue:0x6d5f9907>
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] monitoring.collection.timeout_interval: #<Java::OrgLogstashUtil::TimeValue:0x69d0fac0>
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] monitoring.elasticsearch.username: "logstash_system"
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] monitoring.elasticsearch.ssl.verification_mode: "full"
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] monitoring.elasticsearch.ssl.cipher_suites: []
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] monitoring.elasticsearch.sniffing: false
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] monitoring.collection.pipeline.details.enabled: true
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] monitoring.collection.config.enabled: true
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] node.uuid: ""
[2024-10-23T10:47:36,613][DEBUG][logstash.runner          ] xpack.geoip.downloader.endpoint: "https://geoip.elastic.co/v1/database"
[2024-10-23T10:47:36,614][DEBUG][logstash.runner          ] xpack.geoip.downloader.poll.interval: #<Java::OrgLogstashUtil::TimeValue:0x52e2ea7a>
[2024-10-23T10:47:36,614][DEBUG][logstash.runner          ] xpack.geoip.downloader.enabled: true
[2024-10-23T10:47:36,614][DEBUG][logstash.runner          ] xpack.management.enabled: false
[2024-10-23T10:47:36,614][DEBUG][logstash.runner          ] xpack.management.logstash.poll_interval: #<Java::OrgLogstashUtil::TimeValue:0x6d5a43c1>
[2024-10-23T10:47:36,614][DEBUG][logstash.runner          ] xpack.management.pipeline.id: ["main"]
[2024-10-23T10:47:36,614][DEBUG][logstash.runner          ] xpack.management.elasticsearch.username: "logstash_system"
[2024-10-23T10:47:36,614][DEBUG][logstash.runner          ] xpack.management.elasticsearch.hosts: ["https://localhost:9200"]
[2024-10-23T10:47:36,614][DEBUG][logstash.runner          ] xpack.management.elasticsearch.ssl.cipher_suites: []
[2024-10-23T10:47:36,614][DEBUG][logstash.runner          ] xpack.management.elasticsearch.ssl.verification_mode: "full"
[2024-10-23T10:47:36,614][DEBUG][logstash.runner          ] xpack.management.elasticsearch.sniffing: false
[2024-10-23T10:47:36,614][DEBUG][logstash.runner          ] --------------- Logstash Settings -------------------
[2024-10-23T10:47:36,640][WARN ][logstash.config.source.multilocal] Ignoring the 'pipelines.yml' file because modules or command line options are specified
[2024-10-23T10:47:36,682][DEBUG][logstash.agent           ] Initializing API WebServer {"api.http.host"=>"10.166.25.148", "api.http.port"=>9600..9600, "api.ssl.enabled"=>false, "api.auth.type"=>"none", "api.environment"=>"production"}
[2024-10-23T10:47:36,790][DEBUG][logstash.api.service     ] [api-service] start
[2024-10-23T10:47:36,868][DEBUG][logstash.agent           ] Setting up metric collection
[2024-10-23T10:47:36,912][DEBUG][logstash.instrument.periodicpoller.os] Starting {:polling_interval=>5, :polling_timeout=>120}
[2024-10-23T10:47:37,121][DEBUG][logstash.instrument.periodicpoller.jvm] Starting {:polling_interval=>5, :polling_timeout=>120}
[2024-10-23T10:47:37,178][DEBUG][logstash.instrument.periodicpoller.jvm] collector name {:name=>"G1 Young Generation"}
[2024-10-23T10:47:37,182][DEBUG][logstash.instrument.periodicpoller.jvm] collector name {:name=>"G1 Old Generation"}
[2024-10-23T10:47:37,196][DEBUG][logstash.instrument.periodicpoller.persistentqueue] Starting {:polling_interval=>5, :polling_timeout=>120}
[2024-10-23T10:47:37,205][DEBUG][logstash.instrument.periodicpoller.deadletterqueue] Starting {:polling_interval=>5, :polling_timeout=>120}
[2024-10-23T10:47:37,208][DEBUG][logstash.instrument.periodicpoller.flowrate] Starting {:polling_interval=>5, :polling_timeout=>120}
[2024-10-23T10:47:37,519][DEBUG][logstash.agent           ] Starting agent
[2024-10-23T10:47:37,530][DEBUG][logstash.agent           ] Starting API WebServer (puma)
[2024-10-23T10:47:37,586][DEBUG][logstash.config.source.local.configpathloader] Reading config file {:config_file=>"/opt/elk/logstash/config/ljr_testing.conf"}
[2024-10-23T10:47:37,596][DEBUG][logstash.agent           ] Trying to start API WebServer {:port=>9600, :ssl_enabled=>false}
[2024-10-23T10:47:37,657][DEBUG][logstash.agent           ] Converging pipelines state {:actions_count=>1}
[2024-10-23T10:47:37,669][DEBUG][logstash.agent           ] Executing action {:action=>LogStash::PipelineAction::Create/pipeline_id:main}
[2024-10-23T10:47:37,683][DEBUG][org.logstash.secret.store.SecretStoreFactory] Attempting to exists or secret store with implementation: org.logstash.secret.store.backend.JavaKeyStore
[2024-10-23T10:47:37,758][INFO ][logstash.agent           ] Successfully started Logstash API endpoint {:port=>9600, :ssl_enabled=>false}
[2024-10-23T10:47:38,172][INFO ][org.reflections.Reflections] Reflections took 86 ms to scan 1 urls, producing 132 keys and 468 values
[2024-10-23T10:47:38,191][DEBUG][org.logstash.secret.store.SecretStoreFactory] Attempting to exists or secret store with implementation: org.logstash.secret.store.backend.JavaKeyStore
[2024-10-23T10:47:38,219][DEBUG][logstash.plugins.registry] On demand adding plugin to the registry {:name=>"generator", :type=>"input", :class=>LogStash::Inputs::Generator}
[2024-10-23T10:47:38,289][DEBUG][logstash.plugins.registry] On demand adding plugin to the registry {:name=>"json", :type=>"codec", :class=>LogStash::Codecs::JSON}
[2024-10-23T10:47:38,318][DEBUG][logstash.codecs.json     ] config LogStash::Codecs::JSON/@id = "json_3f7d0e36-fb51-4b2a-993f-4287698b2b63"
[2024-10-23T10:47:38,319][DEBUG][logstash.codecs.json     ] config LogStash::Codecs::JSON/@enable_metric = true
[2024-10-23T10:47:38,319][DEBUG][logstash.codecs.json     ] config LogStash::Codecs::JSON/@charset = "UTF-8"
[2024-10-23T10:47:38,346][DEBUG][logstash.inputs.generator] config LogStash::Inputs::Generator/@count = 1
[2024-10-23T10:47:38,350][DEBUG][logstash.inputs.generator] config LogStash::Inputs::Generator/@codec = <LogStash::Codecs::JSON id=>"json_3f7d0e36-fb51-4b2a-993f-4287698b2b63", enable_metric=>true, charset=>"UTF-8">
[2024-10-23T10:47:38,351][DEBUG][logstash.inputs.generator] config LogStash::Inputs::Generator/@id = "ca89bb64fce3017f652b7d9e15198c67ecfbcea7435cac7e2316ed9f567a0820"
[2024-10-23T10:47:38,351][DEBUG][logstash.inputs.generator] config LogStash::Inputs::Generator/@message = "{\"test\": \"data\"}"
[2024-10-23T10:47:38,351][DEBUG][logstash.inputs.generator] config LogStash::Inputs::Generator/@enable_metric = true
[2024-10-23T10:47:38,351][DEBUG][logstash.inputs.generator] config LogStash::Inputs::Generator/@add_field = {}
[2024-10-23T10:47:38,351][DEBUG][logstash.inputs.generator] config LogStash::Inputs::Generator/@threads = 1
[2024-10-23T10:47:38,392][DEBUG][logstash.plugins.registry] On demand adding plugin to the registry {:name=>"http", :type=>"output", :class=>LogStash::Outputs::Http}
[2024-10-23T10:47:38,405][DEBUG][logstash.codecs.json     ] config LogStash::Codecs::JSON/@id = "json_523f376a-5ed8-44dc-a17c-ff9f1daad51a"
[2024-10-23T10:47:38,406][DEBUG][logstash.codecs.json     ] config LogStash::Codecs::JSON/@enable_metric = true
[2024-10-23T10:47:38,406][DEBUG][logstash.codecs.json     ] config LogStash::Codecs::JSON/@charset = "UTF-8"
[2024-10-23T10:47:38,413][ERROR][logstash.outputs.http    ] Unknown setting 'ssl_verification_mode' for http
[2024-10-23T10:47:38,420][ERROR][logstash.agent           ] Failed to execute action {:action=>LogStash::PipelineAction::Create/pipeline_id:main, :exception=>"Java::JavaLang::IllegalStateException", :message=>"Unable to configure plugins: (ConfigurationError) Something is wrong with your configuration.", :backtrace=>["org.logstash.config.ir.CompiledPipeline.<init>(CompiledPipeline.java:120)", "org.logstash.execution.AbstractPipelineExt.initialize(AbstractPipelineExt.java:186)", "org.logstash.execution.AbstractPipelineExt$INVOKER$i$initialize.call(AbstractPipelineExt$INVOKER$i$initialize.gen)", "org.jruby.internal.runtime.methods.JavaMethod$JavaMethodN.call(JavaMethod.java:847)", "org.jruby.ir.runtime.IRRuntimeHelpers.instanceSuper(IRRuntimeHelpers.java:1319)", "org.jruby.ir.runtime.IRRuntimeHelpers.instanceSuperSplatArgs(IRRuntimeHelpers.java:1292)", "org.jruby.ir.targets.indy.InstanceSuperInvokeSite.invoke(InstanceSuperInvokeSite.java:30)", "opt.elk.logstash_minus_8_dot_13_dot_1.logstash_minus_core.lib.logstash.java_pipeline.RUBY$method$initialize$0(/opt/elk/logstash-8.13.1/logstash-core/lib/logstash/java_pipeline.rb:48)", "org.jruby.internal.runtime.methods.CompiledIRMethod.call(CompiledIRMethod.java:139)", "org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:112)", "org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:446)", "org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:92)", "org.jruby.RubyClass.newInstance(RubyClass.java:931)", "org.jruby.RubyClass$INVOKER$i$newInstance.call(RubyClass$INVOKER$i$newInstance.gen)", "org.jruby.ir.targets.indy.InvokeSite.performIndirectCall(InvokeSite.java:735)", "org.jruby.ir.targets.indy.InvokeSite.invoke(InvokeSite.java:657)", "opt.elk.logstash_minus_8_dot_13_dot_1.logstash_minus_core.lib.logstash.pipeline_action.create.RUBY$method$execute$0(/opt/elk/logstash-8.13.1/logstash-core/lib/logstash/pipeline_action/create.rb:49)", "opt.elk.logstash_minus_8_dot_13_dot_1.logstash_minus_core.lib.logstash.pipeline_action.create.RUBY$method$execute$0$__VARARGS__(/opt/elk/logstash-8.13.1/logstash-core/lib/logstash/pipeline_action/create.rb:48)", "org.jruby.internal.runtime.methods.CompiledIRMethod.call(CompiledIRMethod.java:139)", "org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:112)", "org.jruby.ir.targets.indy.InvokeSite.performIndirectCall(InvokeSite.java:735)", "org.jruby.ir.targets.indy.InvokeSite.invoke(InvokeSite.java:657)", "opt.elk.logstash_minus_8_dot_13_dot_1.logstash_minus_core.lib.logstash.agent.RUBY$block$converge_state$2(/opt/elk/logstash-8.13.1/logstash-core/lib/logstash/agent.rb:386)", "org.jruby.runtime.CompiledIRBlockBody.callDirect(CompiledIRBlockBody.java:141)", "org.jruby.runtime.IRBlockBody.call(IRBlockBody.java:64)", "org.jruby.runtime.IRBlockBody.call(IRBlockBody.java:58)", "org.jruby.runtime.Block.call(Block.java:144)", "org.jruby.RubyProc.call(RubyProc.java:352)", "org.jruby.internal.runtime.RubyRunnable.run(RubyRunnable.java:111)", "java.base/java.lang.Thread.run(Thread.java:840)"]}
[2024-10-23T10:47:38,448][DEBUG][logstash.agent           ] Shutting down all pipelines {:pipelines_count=>0}
[2024-10-23T10:47:38,449][DEBUG][logstash.agent           ] Converging pipelines state {:actions_count=>0}
[2024-10-23T10:47:38,452][DEBUG][logstash.instrument.periodicpoller.os] Stopping
[2024-10-23T10:47:38,457][DEBUG][logstash.instrument.periodicpoller.jvm] Stopping
[2024-10-23T10:47:38,458][DEBUG][logstash.instrument.periodicpoller.persistentqueue] Stopping
[2024-10-23T10:47:38,458][DEBUG][logstash.instrument.periodicpoller.deadletterqueue] Stopping
[2024-10-23T10:47:38,458][DEBUG][logstash.instrument.periodicpoller.flowrate] Stopping
[2024-10-23T10:47:38,483][DEBUG][logstash.agent           ] API WebServer has stopped running
[2024-10-23T10:47:38,484][INFO ][logstash.runner          ] Logstash shut down.
[2024-10-23T10:47:38,493][FATAL][org.logstash.Logstash    ] Logstash stopped processing because of an error: (SystemExit) exit
org.jruby.exceptions.SystemExit: (SystemExit) exit
        at org.jruby.RubyKernel.exit(org/jruby/RubyKernel.java:808) ~[jruby.jar:?]
        at org.jruby.RubyKernel.exit(org/jruby/RubyKernel.java:767) ~[jruby.jar:?]
        at opt.elk.logstash.lib.bootstrap.environment.<main>(/opt/elk/logstash/lib/bootstrap/environment.rb:90) ~[?:?]
logstashhost:config #

Voila — the error!

[2024-10-23T10:47:38,413][ERROR][logstash.outputs.http    ] Unknown setting 'ssl_verification_mode' for http

And, it turns out, the ssl_verification_mode setting didn’t exist in the older version of logstash that’s running in prod. Just as well, it appears to be working and verifying the cert chain on the destination.