https://lms.onnocenter.or.id/wiki/index.php?action=history&feed=atom&title=SECURITY%3A_Basic_OS_Security_%28en%29 2026-04-20T14:29:02Z Revision history for this page on the wiki MediaWiki 1.45.1 https://lms.onnocenter.or.id/wiki/index.php?title=SECURITY:_Basic_OS_Security_(en)&diff=71770&oldid=prev 2025-01-06T04:58:13Z

<p><span class="autocomment">Interesting Links</span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 04:58, 6 January 2025</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l84">Line 84:</td> <td colspan="2" class="diff-lineno">Line 84:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Interesting Links==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Interesting Links==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [[20 Linux Server Hardening Security Tips]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [[<ins style="font-weight: bold; text-decoration: none;">SECURITY: </ins>20 Linux Server Hardening Security Tips <ins style="font-weight: bold; text-decoration: none;">(en)</ins>]]</div></td></tr> </table>

Unknown user https://lms.onnocenter.or.id/wiki/index.php?title=SECURITY:_Basic_OS_Security_(en)&diff=71769&oldid=prev 2025-01-06T04:57:27Z

<p><span class="autocomment">Password</span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 04:57, 6 January 2025</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l81">Line 81:</td> <td colspan="2" class="diff-lineno">Line 81:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Ensure No Non-Root Accounts Have UID 0</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Ensure No Non-Root Accounts Have UID 0</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">Read </del>[[20 Linux Server Hardening Security Tips]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==Interesting Links==</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* </ins>[[20 Linux Server Hardening Security Tips]]</div></td></tr> </table>

Unknown user https://lms.onnocenter.or.id/wiki/index.php?title=SECURITY:_Basic_OS_Security_(en)&diff=71768&oldid=prev 2025-01-06T04:56:53Z

<p>Created page with &quot;==Disable Services== * Disable Remote Desktop * Check active ports nmap -sT -O localhost netstat -tulpn netstat -ntlupa * Check daemons, in Ubuntu, you can use: ap...&quot;</p> <p><b>New page</b></p><div>==Disable Services==<br /> <br /> * Disable Remote Desktop<br /> * Check active ports<br /> <br /> nmap -sT -O localhost<br /> netstat -tulpn<br /> netstat -ntlupa<br /> <br /> * Check daemons, in Ubuntu, you can use:<br /> <br /> apt-get install sysv-rc-conf<br /> sysv-rc-conf --list | grep &#039;3:on&#039;<br /> <br /> service serviceName stop<br /> sysv-rc-conf serviceName off<br /> <br /> Alternative interesting commands:<br /> <br /> sysv-rc-conf apache2 on<br /> sysv-rc-conf --list apache2<br /> <br /> Other alternative commands:<br /> <br /> update-rc.d &lt;service&gt; defaults<br /> update-rc.d &lt;service&gt; start 20 3 4 5<br /> update-rc.d -f &lt;service&gt; remove<br /> <br /> ==Files Security==<br /> <br /> * File Permission<br /> <br /> [[chmod]]<br /> <br /> * File Owner<br /> <br /> [[chown]]<br /> <br /> * File Encryption<br /> <br /> <br /> * Hard Disk Partition<br /> <br /> df -h ensure separate partition<br /> <br /> * Find World Writable files<br /> <br /> find / -xdev -type d \( -perm -0002 -a ! -perm -1000 \) -print<br /> <br /> * Find No owner files<br /> <br /> find / -xdev \( -nouser -o -nogroup \) -print<br /> <br /> ==File Transfer==<br /> <br /> * Disable FTP<br /> <br /> /etc/init.d/ftp stop<br /> iptables block<br /> <br /> * Habitually use SCP<br /> <br /> scp<br /> <br /> ==Sharing Files==<br /> <br /> * Enable / Disable SMB<br /> <br /> /etc/init.d/smbd stop<br /> iptables block<br /> <br /> ==Password==<br /> <br /> User Account and Strong Password Policy<br /> <br /> * Password Age<br /> * Force Password Change<br /> * Restrictions on Using Old Passwords<br /> * Lock User Accounts after Several Failed Logins<br /> * Verify No Accounts with Empty Passwords?<br /> * Ensure No Non-Root Accounts Have UID 0<br /> <br /> Read [[20 Linux Server Hardening Security Tips]]</div>

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