/usr/share/jmeter/bin/system.properties is in jmeter 2.11-2+deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93  | # Sample system.properties file
#
##   Licensed to the Apache Software Foundation (ASF) under one or more
##   contributor license agreements.  See the NOTICE file distributed with
##   this work for additional information regarding copyright ownership.
##   The ASF licenses this file to You under the Apache License, Version 2.0
##   (the "License"); you may not use this file except in compliance with
##   the License.  You may obtain a copy of the License at
## 
##       http://www.apache.org/licenses/LICENSE-2.0
## 
##   Unless required by applicable law or agreed to in writing, software
##   distributed under the License is distributed on an "AS IS" BASIS,
##   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
##   See the License for the specific language governing permissions and
##   limitations under the License.
#
# For details of Oracle Java network properties, see for example:
# http://download.oracle.com/javase/1.5.0/docs/guide/net/properties.html
#
# Sample properties:
#
#java.net.preferIPv4Stack=false
#java.net.preferIPv6Addresses=false
#networkaddress.cache.ttl=-1
#networkaddress.cache.negative.ttl=10
#
#
# SSL properties (moved from jmeter.properties)
# See http://download.oracle.com/javase/1.5.0/docs/guide/security/jsse/JSSERefGuide.html#Customization
# for information on the javax.ssl system properties
# Truststore properties (trusted certificates)
#javax.net.ssl.trustStore=/path/to/[jsse]cacerts
#javax.net.ssl.trustStorePassword
#javax.net.ssl.trustStoreProvider
#javax.net.ssl.trustStoreType [default = KeyStore.getDefaultType()]
# Keystore properties (client certificates)
# Location
#javax.net.ssl.keyStore=.keystore
#
#The password to your keystore
#javax.net.ssl.keyStorePassword=changeit
#
#javax.net.ssl.keyStoreProvider
#javax.net.ssl.keyStoreType [default = KeyStore.getDefaultType()]
# SSL debugging:
# See http://download.oracle.com/javase/1.5.0/docs/guide/security/jsse/JSSERefGuide.html#Debug
#
# javax.net.debug=help - generates the list below:
#all            turn on all debugging
#ssl            turn on ssl debugging
#
#The following can be used with ssl:
#        record       enable per-record tracing
#        handshake    print each handshake message
#        keygen       print key generation data
#        session      print session activity
#        defaultctx   print default SSL initialization
#        sslctx       print SSLContext tracing
#        sessioncache print session cache tracing
#        keymanager   print key manager tracing
#        trustmanager print trust manager tracing
#
#        handshake debugging can be widened with:
#        data         hex dump of each handshake message
#        verbose      verbose handshake message printing
#
#        record debugging can be widened with:
#        plaintext    hex dump of record plaintext
#
# Examples:
#javax.net.debug=ssl
#javax.net.debug=sslctx,session,sessioncache
#
#
# We enable the following property to allow headers such as "Host" to be passed through.
# See http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6996110
sun.net.http.allowRestrictedHeaders=true
#Uncomment for Kerberos authentication and edit the 2 config files to match your domains
#With the following configuration krb5.conf and jaas.conf must be located in bin folder
#You can modify these file paths to use absolute location
#java.security.krb5.conf=krb5.conf
#java.security.auth.login.config=jaas.conf
# Location of keytool application
# This property can be defined if JMeter cannot find the application automatically
# It should not be necessary in most cases.
#keytool.directory=<Java Home Directory>/bin
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