{"id":681,"date":"2013-08-15T23:27:08","date_gmt":"2013-08-16T04:27:08","guid":{"rendered":"http:\/\/blog.xfloyd.net\/?p=681"},"modified":"2014-12-20T11:04:09","modified_gmt":"2014-12-20T16:04:09","slug":"sshd-slow-on-login","status":"publish","type":"post","link":"https:\/\/xfloyd.net\/blog\/?p=681","title":{"rendered":"SSHD slow on login"},"content":{"rendered":"<p>Does the IP you&#8217;re connecting from have reverse DNS on it?<\/p>\n<p>When you connect to SSH, By default it will try to do a DNS lookup on the IP connecting and if it can&#8217;t find a record it causes a long delay when logging in.<\/p>\n<p>If you want you can disable sshd from doing a reverse lookup by setting<\/p>\n<pre>UseDNS no<\/pre>\n<p>In \/etc\/ssh\/sshd_config and restarting sshd.<\/p>\n<p>service sshd restart<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Does the IP you&#8217;re connecting from have reverse DNS on it? When you connect to SSH, By default it will try to do a DNS lookup on the IP connecting and if it can&#8217;t find a record it causes a long delay when logging in. If you want you can disable sshd from doing a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/681"}],"collection":[{"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=681"}],"version-history":[{"count":4,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/681\/revisions"}],"predecessor-version":[{"id":685,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/681\/revisions\/685"}],"wp:attachment":[{"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=681"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=681"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xfloyd.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}