secure_ubuntu_system:base_security
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secure_ubuntu_system:base_security [2016/07/14 00:18] – peter | secure_ubuntu_system:base_security [2020/07/15 09:30] (current) – external edit 127.0.0.1 | ||
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...and entering the Administrator' | ...and entering the Administrator' | ||
- | **IMPORTANT**: | + | <WRAP notice> |
+ | **IMPORTANT**: | ||
+ | </ | ||
- | **IMPORTANT**: Do __NOT__ use the following command: | + | <WRAP alert> |
+ | **DANGER**: Do **__NOT__** use the following command: | ||
<code bash> | <code bash> | ||
Line 19: | Line 22: | ||
</ | </ | ||
- | and do __NOT__ enable the root login by running: | + | and do **__NOT__** enable the root login by running: |
<code bash> | <code bash> | ||
Line 34: | Line 37: | ||
sudo passwd -dl root | sudo passwd -dl root | ||
</ | </ | ||
+ | </ | ||
+ | ---- | ||
===== Disable Ctrl-Alt-Delete ===== | ===== Disable Ctrl-Alt-Delete ===== | ||
- | Anyone that has physical access to the keyboard can simply use the Ctrl+Alt+Delete key combination to reboot the server without having to log on. Sure, someone could simply unplug the power source, but you should still prevent the use of this key combination on a production server. | + | Anyone that has physical access to the keyboard can simply use the Ctrl+Alt+Delete key combination to reboot the server without having to log on. |
+ | |||
+ | Sure, someone could simply unplug the power source, but you should still prevent the use of this key combination on a production server. | ||
+ | |||
+ | This forces an attacker to take more drastic measures to reboot the server, and will prevent accidental reboots at the same time. | ||
Issue the following command: | Issue the following command: | ||
Line 52: | Line 61: | ||
</ | </ | ||
+ | |||
+ | ---- | ||
===== Setup the correct time zone (optional, but highly-recommended) ===== | ===== Setup the correct time zone (optional, but highly-recommended) ===== | ||
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+ | ---- | ||
+ | |||
+ | ===== Continue ===== | ||
+ | |||
+ | Continue to [[Secure Ubuntu System:Add Software]] |
secure_ubuntu_system/base_security.1468455516.txt.gz · Last modified: 2020/07/15 09:30 (external edit)