-
Notifications
You must be signed in to change notification settings - Fork 1
/
centos6x-cis-ks.cfg
285 lines (247 loc) · 10.6 KB
/
centos6x-cis-ks.cfg
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
#!/usr/bin/env python
#
# Copyright 2013 Major Hayden
#
# Licensed 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.
#
install
url --url=http://mirrors.kernel.org/centos/6/os/x86_64/
text
lang en_US.UTF-8
keyboard us
network --onboot yes --device eth0 --bootproto dhcp --ipv6 auto
rootpw qwerty
# CIS 4.7
firewall --enabled --ssh
# CIS 6.3.1
authconfig --enableshadow --passalgo=sha512
# CIS 1.4.2-1.4.3 (targeted is enabled by default w/enforcing)
selinux --enforcing
timezone --utc America/Chicago
services --enabled network,sshd
zerombr
clearpart --all
part /boot --fstype ext4 --size=250
part swap --size=1024
part pv.01 --size=1 --grow
volgroup vg_root pv.01
logvol / --vgname vg_root --name root --fstype=ext4 --size=10240
# CIS 1.1.1-1.1.4
logvol /tmp --vgname vg_root --name tmp --size=500 --fsoptions="nodev,nosuid,noexec"
# CIS 1.1.5
logvol /var --vgname vg_root --name var --size=500
# CIS 1.1.7
logvol /var/log --vgname vg_root --name log --size=1024
# CIS 1.1.8
logvol /var/log/audit --vgname vg_root --name audit --size=1024
# CIS 1.1.9-1.1.0
logvol /home --vgname vg_root --name home --size=1024 --grow --fsoptions="nodev"
# CIS 1.4.1, 5.2.3
bootloader --location=mbr --driveorder=sda --append="selinux=1 audit=1"
reboot
%packages
@core
setroubleshoot-server
aide # CIS 1.3.2
selinux-policy-targeted # CIS 1.4.3
-setroublsehoot # CIS 1.4.4
-mcstrans # CIS 1.4.5
-telnet-server # CIS 2.1.1
-telnet # CIS 2.1.2
-rsh-server # CIS 2.1.3
-rsh # CIS 2.1.4
-ypbind # CIS 2.1.5
-ypserv # CIS 2.1.6
-tftp # CIS 2.1.7
-tftp-server # CIS 2.1.8
-talk-server # CIS 2.1.10
-xinetd # CIS 2.1.11
-@"X Window System" # CIS 3.2
-dhcp # CIS 3.5
ntp # CIS 3.6
postfix # CIS 3.16
rsyslog # CIS 5.1.2
cronie-anacron # CIS 6.1.1
pam_passwdqc # CIS 6.3.3
%post --log=/root/postinstall.log
###############################################################################
# /etc/fstab
echo -e "\n# CIS Benchmark Adjustments" >> /etc/fstab
# CIS 1.1.6
echo "/tmp /var/tmp none bind 0 0" >> /etc/fstab
# CIS 1.1.14-1.1.16
awk '$2~"^/dev/shm$"{$4="nodev,noexec,nosuid"}1' OFS="\t" /etc/fstab >> /tmp/fstab
mv /tmp/fstab /etc/fstab
restorecon -v /etc/fstab && chmod 644 /etc/fstab
# CIS 1.3.2
echo "0 5 * * * /usr/sbin/aide --check" >> /var/spool/cron/root
# CIS 1.5.5
sed -i 's/^PROMPT=yes$/PROMPT=no/' /etc/sysconfig/init
###############################################################################
# /etc/sysctl.conf
cat << 'EOF' >> /etc/sysctl.conf
# CIS Benchmark Adjustments
kernel.exec-shield = 1 # CIS 1.6.2
kernel.randomize_va_space = 2 # CIS 1.6.3
net.ipv4.ip_forward = 0 # CIS 4.1.1
net.ipv4.conf.all.send_redirects = 0 # CIS 4.1.2
net.ipv4.conf.default.send_redirects = 0 # CIS 4.1.2
net.ipv4.conf.all.accept_source_route = 0 # CIS 4.2.1
net.ipv4.conf.default.accept_source_route = 0 # CIS 4.2.1
net.ipv4.conf.all.accept_redirects = 0 # CIS 4.2.2
net.ipv4.conf.default.accept_redirects = 0 # CIS 4.2.2
net.ipv4.conf.all.secure_redirects = 0 # CIS 4.2.3
net.ipv4.conf.default.secure_redirects = 0 # CIS 4.2.3
net.ipv4.conf.all.log_martians = 1 # CIS 4.2.4
net.ipv4.conf.default.log_martians = 1 # CIS 4.2.4
net.ipv4.icmp_echo_ignore_broadcasts = 1 # CIS 4.2.5
net.ipv4.icmp_ignore_bogus_error_responses = 1 # CIS 4.2.6
net.ipv4.conf.all.rp_filter = 1 # CIS 4.2.7
net.ipv4.conf.default.rp_filter = 1 # CIS 4.2.7
net.ipv4.tcp_syncookies = 1 # CIS 4.2.8
EOF
###############################################################################
# /etc/audit/audit.rules
cat << 'EOF' >> /etc/audit/audit.rules
# CIS Benchmark Adjustments
# CIS 5.2.4
-a always,exit -F arch=b64 -S adjtimex -S settimeofday -k time-change
-a always,exit -F arch=b32 -S adjtimex -S settimeofday -S stime -k time-change
-a always,exit -F arch=b64 -S clock_settime -k time-change
-a always,exit -F arch=b32 -S clock_settime -k time-change
-w /etc/localtime -p wa -k time-change
# CIS 5.2.5
-w /etc/group -p wa -k identity
-w /etc/passwd -p wa -k identity
-w /etc/gshadow -p wa -k identity
-w /etc/shadow -p wa -k identity
-w /etc/security/opasswd -p wa -k identity
# CIS 5.2.6
-a always,exit -F arch=b64 -S sethostname -S setdomainname -k system-locale
-a always,exit -F arch=b32 -S sethostname -S setdomainname -k system-locale
-w /etc/issue -p wa -k system-locale
-w /etc/issue.net -p wa -k system-locale
-w /etc/hosts -p wa -k system-locale
-w /etc/sysconfig/network -p wa -k system-locale
# CIS 5.2.7
-w /etc/selinux/ -p wa -k MAC-policy
# CIS 5.2.8
-w /var/log/faillog -p wa -k logins
-w /var/log/lastlog -p wa -k logins
-w /var/log/tallylog -p wa -k logins
# CIS 5.2.9
-w /var/run/utmp -p wa -k session
-w /var/log/wtmp -p wa -k session
-w /var/log/btmp -p wa -k session
# CIS 5.2.10
-a always,exit -F arch=b64 -S chmod -S fchmod -S fchmodat -F auid>=500 -F auid!=4294967295 -k perm_mod
-a always,exit -F arch=b32 -S chmod -S fchmod -S fchmodat -F auid>=500 -F auid!=4294967295 -k perm_mod
-a always,exit -F arch=b64 -S chown -S fchown -S fchownat -S lchown -F auid>=500 -F auid!=4294967295 -k perm_mod
-a always,exit -F arch=b32 -S chown -S fchown -S fchownat -S lchown -F auid>=500 -F auid!=4294967295 -k perm_mod
-a always,exit -F arch=b64 -S setxattr -S lsetxattr -S fsetxattr -S removexattr -S lremovexattr -S fremovexattr -F auid>=500 -F auid!=4294967295 -k perm_mod
-a always,exit -F arch=b32 -S setxattr -S lsetxattr -S fsetxattr -S removexattr -S lremovexattr -S fremovexattr -F auid>=500 -F auid!=4294967295 -k perm_mod
# CIS 5.2.11
-a always,exit -F arch=b64 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EACCES -F auid>=500 -F auid!=4294967295 -k access
-a always,exit -F arch=b32 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EACCES -F auid>=500 -F auid!=4294967295 -k access
-a always,exit -F arch=b64 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EPERM -F auid>=500 -F auid!=4294967295 -k access
-a always,exit -F arch=b32 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EPERM -F auid>=500 -F auid!=4294967295 -k access
# CIS 5.2.13
-a always,exit -F arch=b64 -S mount -F auid>=500 -F auid!=4294967295 -k mounts
-a always,exit -F arch=b32 -S mount -F auid>=500 -F auid!=4294967295 -k mounts
# CIS 5.2.14
-a always,exit -F arch=b64 -S unlink -S unlinkat -S rename -S renameat -F auid>=500 -F auid!=4294967295 -k delete
-a always,exit -F arch=b32 -S unlink -S unlinkat -S rename -S renameat -F auid>=500 -F auid!=4294967295 -k delete
# CIS 5.2.15
-w /etc/sudoers -p wa -k scope
# CIS 5.2.16
-w /var/log/sudo.log -p wa -k actions
# CIS 5.2.17
-w /sbin/insmod -p x -k modules
-w /sbin/rmmod -p x -k modules
-w /sbin/modprobe -p x -k modules
-a always,exit -F arch=b64 -S init_module -S delete_module -k modules
-a always,exit -F arch=b32 -S init_module -S delete_module -k modules
EOF
# CIS 5.2.12
echo -e "\n# CIS 5.2.12" >> /etc/audit/audit.rules
find PART -xdev \( -perm -4000 -o -perm -2000 \) -type f | awk '{print "-a always,exit -F path=" $1 " -F perm=x -F auid>=500 -F auid!=4294967295 -k privileged" }' >> /etc/audit/audit.rules
# CIS 5.2.18
echo -e "\n# CIS 5.2.18"
echo "-e 2" >> /etc/audit/audit.rules
# CIS 2.1.12
chkconfig chargen-dgram off
# CIS 2.1.13
chkconfig chargen-stream off
# CIS 2.1.14
chkconfig daytime-dgram off
# CIS 2.1.15
chkconfig daytime-stream off
# CIS 2.1.16
chkconfig echo-dgram off
# CIS 2.1.17
chkconfig echo-stream off
# CIS 2.1.18
chkconfig tcpmux-server off
# CIS 3.1
echo "\n# CIS Benchmarks"
echo "umask 027" >> /etc/sysconfig/init
# CIS 3.3
chkconfig avahi-daemon off
# CIS 3.4
chkconfig cups off
# CIS 3.6 (ntp.conf defaults meet requirements)
chkconfig ntpd on
# CIS 3.16 (postfix defaults meet requirements)
chkconfig sendmail off
alternatives --set mta /usr/sbin/sendmail.postfix
chkconfig postfix on
# CIS 5.1.3
chkconfig syslog off && chkconfig rsyslog on
# CIS 5.2.2
chkconfig auditd on
# CIS 6.1.2
chkconfig crond on
# CIS 6.2.4
sed -i 's/^#X11Forwarding no$/X11Forwarding no/' /etc/ssh/sshd_config
sed -i '/^X11Forwarding yes$/d' /etc/ssh/sshd_config
# CIS 6.2.5
sed -i 's/^.*MaxAuthTries.*$/MaxAuthTries 4/' /etc/ssh/sshd_config
# CIS 6.2.8
sed -i 's/^#PermitRootLogin.*$/PermitRootLogin no/' /etc/ssh/sshd_config
# CIS 6.2.11
echo -e "\n# CIS Benchmarks\n# CIS 6.2.12" >> /etc/ssh/sshd_config
echo "Ciphers aes128-ctr,aes192-ctr,aes256-ctr" >> /etc/ssh/sshd_config
# CIS 6.2.12
sed -i 's/^.*ClientAliveInterval.*$/ClientAliveInterval 300/' /etc/ssh/sshd_config
sed -i 's/^.*ClientAliveCountMax.*$/ClientAliveCountMax 0/' /etc/ssh/sshd_config
# CIS 6.2.14
echo "Unauthorized access is prohibited." > /etc/ssh/sshd_banner
echo -e "\n# CIS 6.2.14" >> /etc/ssh/sshd_config
echo "Banner /etc/ssh/sshd_banner" >> /etc/ssh/sshd_config
# CIS 6.3.2
sed -i 's/password.+requisite.+pam_cracklib.so/password required pam_cracklib.so try_first_pass retry=3 minlen=14,dcredit=-1,ucredit=-1,ocredit=-1 lcredit=-1/' /etc/pam.d/system-auth
# CIS 6.3.3
sed -i -e '/pam_cracklib.so/{:a;n;/^$/!ba;i\password requisite pam_passwdqc.so min=disabled,disabled,16,12,8' -e '}' /etc/pam.d/system-auth
# CIS 6.3.6
sed -i 's/^\(password.*sufficient.*pam_unix.so.*\)$/\1 remember=5/' /etc/pam.d/system-auth
# CIS 6.5
sed -i 's/^#\(auth.*required.*pam_wheel.so.*\)$/\1/' /etc/pam.d/su
# CIS 7.1.1-7.1.3
sed -i 's/^PASS_MAX_DAYS.*$/PASS_MAX_DAYS 90/' /etc/login.defs
sed -i 's/^PASS_MIN_DAYS.*$/PASS_MIN_DAYS 7/' /etc/login.defs
sed -i 's/^PASS_WARN_AGE.*$/PASS_WARN_AGE 7/' /etc/login.defs
# CIS 8.1
echo "Authorized uses only. All activity may be monitored and reported." > /etc/motd
echo "Authorized uses only. All activity may be monitored and reported." > /etc/issue
echo "Authorized uses only. All activity may be monitored and reported." > /etc/issue.net
%end