{"id":3652,"date":"2019-01-29T08:36:16","date_gmt":"2019-01-29T08:36:16","guid":{"rendered":"https:\/\/tst-amo.net.ua\/blog\/?p=3652"},"modified":"2019-01-29T08:36:16","modified_gmt":"2019-01-29T08:36:16","slug":"postfix-ssl_accept-error-%d0%b8-tls-library-problem","status":"publish","type":"post","link":"https:\/\/tst-amo.net.ua\/blog\/?p=3652","title":{"rendered":"Postfix: SSL_accept error \u0438 TLS library problem"},"content":{"rendered":"<p>\u0412 \u043b\u043e\u0433\u0430\u0445 \u0431\u044b\u043b\u0430 \u0437\u0430\u043c\u0435\u0447\u0435\u043d\u0430 \u043e\u0448\u0438\u0431\u043a\u0430:<\/p>\n<pre>Jan 29 00:53:20 mail postfix\/smtpd[73728]: SSL_accept error from pirate.census.shodan.io[71.6.146.185]: -1\r\nJan 29 00:53:20 mail postfix\/smtpd[73728]: warning: TLS library problem: error:1408A10B:SSL routines:ssl3_get_client_hello:wrong version number:\/usr\/src\/crypto\/openssl\/ssl\/s3_srvr.c:969:<\/pre>\n<p>\u0447\u0442\u043e \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0432\u0435\u0440\u0441\u0438\u0438 openssl. \u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430:<\/p>\n<pre># openssl s_client -starttls smtp -crlf -connect mail.tst-amo.net.ua:587 <span style=\"color: #ff0000;\">-ssl3<\/span>\r\nCONNECTED(00000003)\r\n34380880456:error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure:\/usr\/src\/crypto\/openssl\/ssl\/s3_pkt.c:1498:SSL alert number 40\r\n34380880456:error:1409E0E5:SSL routines:ssl3_write_bytes:ssl handshake failure:\/usr\/src\/crypto\/openssl\/ssl\/s3_pkt.c:659:\r\n---\r\nno peer certificate available\r\n---\r\nNo client certificate CA names sent\r\n---\r\nSSL handshake has read 216 bytes and written 0 bytes\r\n---\r\nNew, (NONE), Cipher is (NONE)\r\n<span style=\"color: #ff0000;\">Secure Renegotiation IS NOT supported<\/span>\r\nCompression: NONE\r\nExpansion: NONE\r\nNo ALPN negotiated\r\nSSL-Session:\r\n    Protocol  : SSLv3\r\n    Cipher    : 0000\r\n    Session-ID:\r\n    Session-ID-ctx:\r\n    Master-Key:\r\n    Key-Arg   : None\r\n    PSK identity: None\r\n    PSK identity hint: None\r\n    SRP username: None\r\n    Start Time: 1548750442\r\n    Timeout   : 7200 (sec)\r\n    Verify return code: 0 (ok)\r\n---\r\n<\/pre>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u0431\u0435\u0437 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u044f \u0432\u0435\u0440\u0441\u0438\u0438:<\/p>\n<pre># openssl s_client -starttls smtp -crlf -connect mail.tst-amo.net.ua:587\r\n........\r\n    Start Time: 1548750495\r\n    Timeout   : 300 (sec)\r\n    Verify return code: 0 (ok)\r\n---\r\n<span style=\"color: #ff0000;\">250 SMTPUTF8<\/span><\/pre>\n<p>\u0421\u043c\u043e\u0442\u0440\u0438\u043c \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 postfix:<\/p>\n<pre>smtp_tls_mandatory_ciphers = high\r\nsmtp_tls_protocols=!SSLv2,!<span style=\"color: #ff0000;\">SSLv3<\/span>\r\nsmtp_tls_mandatory_protocols=!SSLv2,!<span style=\"color: #ff0000;\">SSLv3<\/span>\r\ntls_high_cipherlist = ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-S\r\nHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA\r\n384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256\r\n:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK\r\nsmtpd_tls_mandatory_ciphers = high\r\nsmtpd_tls_mandatory_protocols=!SSLv2,!<span style=\"color: #ff0000;\">SSLv3<\/span>\r\nsmtpd_tls_protocols=!SSLv2,!<span style=\"color: #ff0000;\">SSLv3<\/span>\r\n\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<div class=\"pdfprnt-buttons pdfprnt-buttons-post pdfprnt-bottom-right\"><a href=\"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=wpv2posts3652&print=pdf\" class=\"pdfprnt-button pdfprnt-button-pdf\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/tst-amo.net.ua\/blog\/wp-content\/plugins\/pdf-print\/images\/pdf.png\" alt=\"image_pdf\" title=\"View PDF\" \/><\/a><a href=\"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=wpv2posts3652&print=print\" class=\"pdfprnt-button pdfprnt-button-print\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/tst-amo.net.ua\/blog\/wp-content\/plugins\/pdf-print\/images\/print.png\" alt=\"image_print\" title=\"Print Content\" \/><\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>\u0412 \u043b\u043e\u0433\u0430\u0445 \u0431\u044b\u043b\u0430 \u0437\u0430\u043c\u0435\u0447\u0435\u043d\u0430 \u043e\u0448\u0438\u0431\u043a\u0430: Jan 29 00:53:20 mail postfix\/smtpd[73728]: SSL_accept error from pirate.census.shodan.io[71.6.146.185]: -1 Jan 29 00:53:20 mail postfix\/smtpd[73728]: warning: TLS library problem: error:1408A10B:SSL routines:ssl3_get_client_hello:wrong version number:\/usr\/src\/crypto\/openssl\/ssl\/s3_srvr.c:969: \u0447\u0442\u043e \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0432\u0435\u0440\u0441\u0438\u0438 openssl. \u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430: # openssl s_client -starttls smtp -crlf -connect mail.tst-amo.net.ua:587 -ssl3 CONNECTED(00000003) 34380880456:error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure:\/usr\/src\/crypto\/openssl\/ssl\/s3_pkt.c:1498:SSL alert number 40 34380880456:error:1409E0E5:SSL routines:ssl3_write_bytes:ssl &#8230;<\/p>\n<p><a href=\"https:\/\/tst-amo.net.ua\/blog\/?p=3652\" class=\"more-link\">Continue reading &lsquo;Postfix: SSL_accept error \u0438 TLS library problem&rsquo; &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46,50,47,7,70,91],"tags":[],"class_list":["post-3652","post","type-post","status-publish","format-standard","hentry","category-error","category-freebsd","category-linux","category-mail","category-postfix","category-91"],"_links":{"self":[{"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3652"}],"collection":[{"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3652"}],"version-history":[{"count":1,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3652\/revisions"}],"predecessor-version":[{"id":3653,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3652\/revisions\/3653"}],"wp:attachment":[{"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tst-amo.net.ua\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}