{"id":212,"date":"2012-09-11T11:06:52","date_gmt":"2012-09-11T11:06:52","guid":{"rendered":"https:\/\/olkn.homelinux.net\/2012\/09\/rsyslog-remote-logging\/"},"modified":"2012-09-11T11:06:52","modified_gmt":"2012-09-11T11:06:52","slug":"rsyslog-remote-logging","status":"publish","type":"post","link":"https:\/\/olkn.myvnc.com\/?p=212","title":{"rendered":"rsyslog &#8211; remote logging including TLS encryption"},"content":{"rendered":"<p>I just enhanced my logging with rsyslog by enabling remote logging form other machines and here are the config sniplets:<br \/>\non <\/p>\n<ul>logging server side<\/ul>\n<p><code><br \/>\n$ModLoad imtcp # enable TCB module<br \/>\n$InputTCPServerRun <port> # bind rsyslog remote logging to specific port<\/p>\n<p>$AllowSender TCP, 127.0.0.1, <network>\/<netmask> # restrict access to specified network<\/p>\n<p>$template REMOTE,\"\/var\/log\/system-%HOSTNAME%.log\" # template to seperate logfiles received from remote hosts<br \/>\nif $fromhost-ip startswith '<network>' then -?REMOTE # from local ones<br \/>\n#&~  # do not discard messages because we wont to keep all<br \/>\n<\/code><br \/>\nand on<\/p>\n<ul>client side<\/ul>\n<p><code><br \/>\n$ModLoad imtcp # enable TCP module for rsyslog<br \/>\n*.*       @@<server ip> # just send everything to remote logging host<br \/>\n<\/code><br \/>\n<br \/>Do not forget to adjust the firewall settings in order to allow remote access to the specified port.<\/p>\n<p>And now to the encryption. On server side the following directivs are necessary:<code><br \/>\n# make gtls driver the default<br \/>\n$DefaultNetstreamDriver gtls<\/p>\n<p># certificate files<br \/>\n$DefaultNetstreamDriverCAFile \/path\/to\/contrib\/gnutls\/ca.pem<br \/>\n$DefaultNetstreamDriverCertFile \/path\/to\/contrib\/gnutls\/cert.pem<br \/>\n$DefaultNetstreamDriverKeyFile \/path\/to\/contrib\/gnutls\/key.pem<\/p>\n<p>$ModLoad imtcp # load TCP listener<\/p>\n<p>$InputTCPServerStreamDriverMode 1 # run driver in TLS-only mode<br \/>\n$InputTCPServerStreamDriverAuthMode anon # client is NOT authenticated<br \/>\n$InputTCPServerRun 10514 # start up listener at port 10514<br \/>\n<\/code><br \/>On client side only the following directives are necessary:<code><br \/>\n# certificate files - just CA for a client<br \/>\n$DefaultNetstreamDriverCAFile \/path\/to\/contrib\/gnutls\/ca.pem<\/p>\n<p># set up the action<br \/>\n$DefaultNetstreamDriver gtls # use gtls netstream driver<br \/>\n$ActionSendStreamDriverMode 1 # require TLS for the connection<br \/>\n$ActionSendStreamDriverAuthMode anon # server is NOT authenticated<br \/>\n*.* @@(o)server.example.net:10514 # send (all) messages<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I just enhanced my logging with rsyslog by enabling remote logging form other machines and here are the config sniplets: on logging server side $ModLoad imtcp # enable TCB module $InputTCPServerRun # bind rsyslog remote logging to specific port $AllowSender TCP, 127.0.0.1, \/ # restrict access to specified network $template REMOTE,&#8221;\/var\/log\/system-%HOSTNAME%.log&#8221; # template to seperate &hellip; <a href=\"https:\/\/olkn.myvnc.com\/?p=212\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">rsyslog &#8211; remote logging including TLS encryption<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-212","post","type-post","status-publish","format-standard","hentry","category-configs"],"_links":{"self":[{"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=\/wp\/v2\/posts\/212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=212"}],"version-history":[{"count":0,"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=\/wp\/v2\/posts\/212\/revisions"}],"wp:attachment":[{"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}