secure_ubuntu_system:base_security
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secure_ubuntu_system:base_security [2016/11/22 14:15] – [Get root privileges (optional)] peter | secure_ubuntu_system:base_security [2020/07/15 09:30] (current) – external edit 127.0.0.1 | ||
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Line 11: | Line 11: | ||
...and entering the Administrator' | ...and entering the Administrator' | ||
+ | <WRAP notice> | ||
**IMPORTANT**: | **IMPORTANT**: | ||
- | |||
- | <WRAP danger> | ||
- | **IMPORTANT**: | ||
</ | </ | ||
+ | |||
+ | <WRAP alert> | ||
+ | **DANGER**: | ||
<code bash> | <code bash> | ||
Line 21: | 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 36: | 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 54: | Line 61: | ||
</ | </ | ||
+ | |||
+ | ---- | ||
===== Setup the correct time zone (optional, but highly-recommended) ===== | ===== Setup the correct time zone (optional, but highly-recommended) ===== | ||
Line 70: | Line 79: | ||
+ | ---- | ||
+ | |||
+ | ===== Continue ===== | ||
+ | |||
+ | Continue to [[Secure Ubuntu System:Add Software]] |
secure_ubuntu_system/base_security.1479824150.txt.gz · Last modified: 2020/07/15 09:30 (external edit)