Peter N. M. Hansteen<p>Whenever I see the a "How to protect your <a href="https://mastodon.social/tags/SSH" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SSH</span></a> server against <a href="https://mastodon.social/tags/bruteforce" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bruteforce</span></a> attacks" post or article centered on some <a href="https://mastodon.social/tags/Linux" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Linux</span></a> woodo, I always think to post about how easy it is to deal with those on <a href="https://mastodon.social/tags/OpenBSD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenBSD</span></a> and <a href="https://mastodon.social/tags/FreeBSD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FreeBSD</span></a> with <a href="https://mastodon.social/tags/PF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PF</span></a> add <a href="https://mastodon.social/tags/statetracking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>statetracking</span></a> options: As in <a href="https://home.nuug.no/~peter/pf/en/bruteforce.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">home.nuug.no/~peter/pf/en/brut</span><span class="invisible">eforce.html</span></a>, supplemented with <a href="https://nxdomain.no/~peter/forcing_the_password_gropers_through_a_smaller_hole.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nxdomain.no/~peter/forcing_the</span><span class="invisible">_password_gropers_through_a_smaller_hole.html</span></a>, alternatively the PF tutorial <a href="https://nxdomain.no/~peter/pf_fullday.pdf" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nxdomain.no/~peter/pf_fullday.</span><span class="invisible">pdf</span></a> and of course The Book of PF, <a href="https://nostarch.com/pf3" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">nostarch.com/pf3</span><span class="invisible"></span></a></p><p>Also the slowpoke version: <a href="https://nxdomain.no/~peter/hailmary_lessons_learned.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nxdomain.no/~peter/hailmary_le</span><span class="invisible">ssons_learned.html</span></a></p>