diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index 05a081a8086..3523b06e828 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -481,6 +481,9 @@ Other Changes
 * SOLR-14858: Add the server WEB-INF/lib directory to the classpath for the solr-exporter script. Will allow the script
   to work when the dist/solrj-lib jars are missing in the Docker image. (Houston Putman)
 
+* SOLR-14142: Jetty's RequestLog is enabled by default. If you don't want these logs, you can disable
+  via SOLR_REQUESTLOG_ENABLED=false.  (rmuir, janhoy)
+
 * SOLR-15924: Remove lucene-libs from contrib module packaging. The lucene libraries will be included in lib/ with all other dependencies. (Houston Putman)
 
 Bug Fixes
diff --git a/solr/bin/solr b/solr/bin/solr
index d0a64d79cab..898648ebc9f 100755
--- a/solr/bin/solr
+++ b/solr/bin/solr
@@ -270,7 +270,7 @@ else
 fi
 
 # Requestlog options
-if [ "$SOLR_REQUESTLOG_ENABLED" == "true" ]; then
+if [ "${SOLR_REQUESTLOG_ENABLED:-true}" == "true" ]; then
   SOLR_JETTY_CONFIG+=("--module=requestlog")
 fi
 
diff --git a/solr/bin/solr.cmd b/solr/bin/solr.cmd
index 03cbd2d0943..af25f9ab509 100755
--- a/solr/bin/solr.cmd
+++ b/solr/bin/solr.cmd
@@ -150,6 +150,9 @@ IF "%SOLR_SSL_ENABLED%"=="true" (
 )
 
 REM Requestlog options
+IF NOT DEFINED SOLR_REQUESTLOG_ENABLED (
+  set SOLR_REQUESTLOG_ENABLED=true
+)
 IF "%SOLR_REQUESTLOG_ENABLED%"=="true" (
   set "SOLR_JETTY_CONFIG=!SOLR_JETTY_CONFIG! --module=requestlog"
 )
diff --git a/solr/bin/solr.in.cmd b/solr/bin/solr.in.cmd
index 95da0aac394..ca411f9adcd 100755
--- a/solr/bin/solr.in.cmd
+++ b/solr/bin/solr.in.cmd
@@ -102,7 +102,7 @@ REM Location where Solr should write logs to. Absolute or relative to solr start
 REM set SOLR_LOGS_DIR=logs
 
 REM Enables jetty request log for all requests
-REM set SOLR_REQUESTLOG_ENABLED=false
+REM set SOLR_REQUESTLOG_ENABLED=true
 
 REM Sets the port Solr binds to, default is 8983
 REM set SOLR_PORT=8983
diff --git a/solr/bin/solr.in.sh b/solr/bin/solr.in.sh
index e1daa012b17..37e2ff8fc6f 100644
--- a/solr/bin/solr.in.sh
+++ b/solr/bin/solr.in.sh
@@ -126,7 +126,7 @@
 #SOLR_LOGS_DIR=logs
 
 # Enables jetty request log for all requests
-#SOLR_REQUESTLOG_ENABLED=false
+#SOLR_REQUESTLOG_ENABLED=true
 
 # Sets the port Solr binds to, default is 8983
 #SOLR_PORT=8983
diff --git a/solr/server/etc/jetty-requestlog.xml b/solr/server/etc/jetty-requestlog.xml
index 34a1e90200a..d976ebf0d88 100644
--- a/solr/server/etc/jetty-requestlog.xml
+++ b/solr/server/etc/jetty-requestlog.xml
@@ -30,7 +30,7 @@
         <New class="org.eclipse.jetty.server.AsyncRequestLogWriter">
           <Arg><Property name="solr.log.dir" default="logs"/>/yyyy_mm_dd.request.log</Arg>
           <Set name="filenameDateFormat">yyyy_MM_dd</Set>
-          <Set name="retainDays">90</Set>
+          <Set name="retainDays"><Property name="solr.log.requestlog.retaindays" default="3"/></Set>
           <Set name="append">true</Set>
           <Set name="timeZone">UTC</Set>
         </New>
diff --git a/solr/solr-ref-guide/src/configuring-logging.adoc b/solr/solr-ref-guide/src/configuring-logging.adoc
index 21c658ec0c4..e14fb8851ac 100644
--- a/solr/solr-ref-guide/src/configuring-logging.adoc
+++ b/solr/solr-ref-guide/src/configuring-logging.adoc
@@ -150,3 +150,10 @@ The log file under which you can find all these queries is called `solr_slow_req
 
 In addition to the logging options described above, it's possible to log only a selected list of request parameters (such as those sent with queries) with an additional request parameter called `logParamsList`.
 See the section on <<common-query-parameters.adoc#logparamslist-parameter,logParamsList Parameter>> for more information.
+
+== Request Logging
+
+Every incoming HTTP(s) request is by default logged in the standard https://en.wikipedia.org/wiki/Common_Log_Format[`NCSA format`]
+in files with name `$SOLR_LOG_DIR/<yyyy_mm_dd>.request.log`, rolled over daily. By default, 3 days worth of request logs are retained.
+You can disable request logging by setting `SOLR_REQUESTLOG_ENABLED=false` via environment variable or in `solr.in.sh`/`solr.in.cmd`.
+You can change the number of days to retain by system property `-Dsolr.log.requestlog.retaindays`.
diff --git a/solr/solr-ref-guide/src/major-changes-in-solr-9.adoc b/solr/solr-ref-guide/src/major-changes-in-solr-9.adoc
index 1033fb02e7f..dcf0a89d02b 100644
--- a/solr/solr-ref-guide/src/major-changes-in-solr-9.adoc
+++ b/solr/solr-ref-guide/src/major-changes-in-solr-9.adoc
@@ -85,6 +85,8 @@ All the usages are replaced by BaseHttpSolrClient.RemoteSolrException and BaseHt
 
 * SOLR-11623: Every request handler in Solr now implements PermissionNameProvider. Any custom or 3rd party request handler must also do this
 
+* SOLR-14142: Jetty low level request-logging in NCSA format is now enabled by default, with a retention of 3 days worth of logs.
+  This may require some more disk space for logs than was the case in 8.x. See Reference Guide chapter "Configuring Logging" for how to change this.
 
 == New Features & Enhancements
 
diff --git a/solr/solr-ref-guide/src/securing-solr.adoc b/solr/solr-ref-guide/src/securing-solr.adoc
index 39162eb8d64..76f65f47285 100644
--- a/solr/solr-ref-guide/src/securing-solr.adoc
+++ b/solr/solr-ref-guide/src/securing-solr.adoc
@@ -80,11 +80,6 @@ The authorization plugins that ship with Solr are:
 Audit logging will record an audit trail of incoming reqests to your cluster, such as users being denied access to admin APIs.
 Learn more about audit logging and how to implement an audit logger plugin in the section <<audit-logging.adoc#,Audit Logging>>.
 
-== Request Logging
-
-Solr can optionally log every incoming HTTP(s) request in the standard https://en.wikipedia.org/wiki/Common_Log_Format[`NCSA format`].
-You can enable request logging by setting `SOLR_REQUESTLOG_ENABLED=true` via environment variable or in `solr.in.sh`/`solr.in.cmd`.
-
 == IP Access Control
 
 Restrict network access to specific hosts, by setting `SOLR_IP_ALLOWLIST`/`SOLR_IP_DENYLIST` via environment variables or in `solr.in.sh`/`solr.in.cmd`.