OSTechNix<p>How To Check And Secure Open Ports In Linux <a href="https://floss.social/tags/Linuxnetworking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Linuxnetworking</span></a> <a href="https://floss.social/tags/Linuxsecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Linuxsecurity</span></a> <a href="https://floss.social/tags/Linuxadmin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Linuxadmin</span></a> <a href="https://floss.social/tags/Linuxhowto" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Linuxhowto</span></a> <a href="https://floss.social/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Linux</span></a> <a href="https://floss.social/tags/netstat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>netstat</span></a> <a href="https://floss.social/tags/ss" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ss</span></a> <a href="https://floss.social/tags/firewalld" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>firewalld</span></a> <a href="https://floss.social/tags/iptables" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iptables</span></a> <a href="https://floss.social/tags/nmap" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nmap</span></a> <a href="https://floss.social/tags/lsof" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lsof</span></a> <br><a href="https://ostechnix.com/check-and-secure-open-ports-in-linux/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">ostechnix.com/check-and-secure</span><span class="invisible">-open-ports-in-linux/</span></a></p>
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#lsof
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Michael Boelen<p>The <a href="https://mastodon.social/tags/lsof" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lsof</span></a> tool can be useful, but the amount of options is overwhelming. Collecting the ones that I would use, so that I don't have to look things up next time.</p><p>Another cheat sheet to simplify the life of a <a href="https://mastodon.social/tags/sysadmin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sysadmin</span></a> running <a href="https://mastodon.social/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>linux</span></a> </p><p><a href="https://linux-audit.com/cheat-sheets/lsof/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">linux-audit.com/cheat-sheets/l</span><span class="invisible">sof/</span></a></p><p>Do you have other ones that you on a regular basis and that I missed?</p>
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