{"id":7566,"date":"2017-09-23T17:29:04","date_gmt":"2017-09-23T15:29:04","guid":{"rendered":"http:\/\/www.b.shuttle.de\/hayek\/hayek\/jochen\/wp\/blog-en\/?p=7566"},"modified":"2017-09-23T17:29:04","modified_gmt":"2017-09-23T15:29:04","slug":"disabling-password-authentication-with-sshd","status":"publish","type":"post","link":"https:\/\/wp.jochen.hayek.name\/blog-en\/2017\/09\/23\/disabling-password-authentication-with-sshd\/","title":{"rendered":"disabling password authentication with sshd"},"content":{"rendered":"<ul>\n<li><a href=\"https:\/\/stackoverflow.com\/questions\/20898384\/ssh-disable-password-authentication\">https:\/\/stackoverflow.com\/questions\/20898384\/ssh-disable-password-authentication<\/a><\/li>\n<\/ul>\n<p>Apparently there are numerous attempts to log into my NAS (with invalid passwords) from the WAN side. Synology offers a feature to block IP addresses after a couple of invalid attempts and also log that blocking, and I am making use of that feature. After quite some months I got worried by the overwhelming number of such attempts. Today I disabled\u00a0password authentication all together. I (and &#8220;everybody&#8221;) can still log in through the web GUI DSM interface.\t\t\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/stackoverflow.com\/questions\/20898384\/ssh-disable-password-authentication Apparently there are numerous attempts to log into my NAS (with invalid passwords) from the WAN side. Synology offers a feature to block IP addresses after a couple of invalid attempts and also log that blocking, and I am making use of that feature. After quite some months I got worried by the overwhelming [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_share_on_mastodon":"0"},"categories":[575],"tags":[],"class_list":["post-7566","post","type-post","status-publish","format-standard","hentry","category-synology"],"share_on_mastodon":{"url":"","error":""},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paO0kP-1Y2","jetpack_likes_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/posts\/7566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/comments?post=7566"}],"version-history":[{"count":0,"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/posts\/7566\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/media?parent=7566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/categories?post=7566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.jochen.hayek.name\/blog-en\/wp-json\/wp\/v2\/tags?post=7566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}