{"id":684,"date":"2018-04-28T18:58:00","date_gmt":"2018-04-28T17:58:00","guid":{"rendered":"https:\/\/jeremyverda.net\/?p=684"},"modified":"2018-04-28T19:02:28","modified_gmt":"2018-04-28T18:02:28","slug":"ssh-avoid-connection-reset-by-peer","status":"publish","type":"post","link":"https:\/\/jeremyverda.net\/ssh-avoid-connection-reset-by-peer\/","title":{"rendered":"SSH avoid &#8220;Connection reset by peer&#8221;"},"content":{"rendered":"\n<p>If you are a regular SSH user, there are chances that you sometimes faced the error message &#8220;Connection reset by peer&#8221;. To avoid this message, you can edit some settings on server side or on client side. In this post I will show you both case.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Client side<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Putty<\/h3>\n\n\n\n<p>If you are using Putty, there is a setting under the &#8220;Connection&#8221; tab that allow you to set the keepalive value. By default it&#8217;s disabled (value is 0).<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"452\" height=\"442\" src=\"https:\/\/jeremyverda.net\/wp-content\/uploads\/2018\/04\/image.png\" alt=\"\" class=\"wp-image-704\" \/><\/figure>\n\n\n\n<p>You can set the value at 240 and each 240 seconds, Putty will send a null packets to keep the connection open.<\/p>\n\n\n\n<p>Be sure to set this value by default each time you launch Putty by following this post :\u00a0<a href=\"https:\/\/jeremyverda.net\/change-putty-default-settings\/\">Change Putty default settings<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">OpenSSH<\/h3>\n\n\n\n<p>If you are using OpenSSH (from a Linux machine or using WSL under Windows 10), you can change a settings for your user by editing the config file under the SSH directory in your home directory.<\/p>\n\n\n\n<p>You can follow those steps :<\/p>\n\n\n\n<ul>\n    <li>Edit the config file<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">vi ~\/.ssh\/config<\/pre>\n\n\n\n<ul>\n    <li>Add the settings to enable the keepalive<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">Host *<br\/>ServerAliveInterval 240<\/pre>\n\n\n\n<ul>\n    <li>Set the following rights to the file<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">chmod 600 ~\/.ssh\/config<\/pre>\n\n\n\n<p>With this setting, your client will send a keepalive packet each 240 seconds to the remote host.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Server side<\/h2>\n\n\n\n<p>On the server side, you can edit the SSH server configuration file. If you are using Debian it will be &#8220;\/etc\/ssh\/sshd_config&#8221;.<\/p>\n\n\n\n<p>First, uncomment the following line :<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#ClientAliveInterval 0<\/pre>\n\n\n\n<p>Then replace the value 0 by 240, save the file and restart the service.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you are a regular SSH user, there are chances that you sometimes faced the error message &#8220;Connection reset by peer&#8221;. To avoid this message, you can edit some settings on server side or on client side. In this post <a class=\"more-link\" href=\"https:\/\/jeremyverda.net\/ssh-avoid-connection-reset-by-peer\/\">Read More &#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":704,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[18,25],"tags":[24],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SSH avoid &quot;Connection reset by peer&quot; - J\u00e9r\u00e9my Verda&#039;s IT Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jeremyverda.net\/ssh-avoid-connection-reset-by-peer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SSH avoid &quot;Connection reset by peer&quot; - J\u00e9r\u00e9my Verda&#039;s IT Blog\" \/>\n<meta property=\"og:description\" content=\"If you are a regular SSH user, there are chances that you sometimes faced the error message &#8220;Connection reset by peer&#8221;. 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To set default settings, there is only a few steps to follow. Launch Putty. You will see that there is default profile called \"Default Settings\".\u2026","rel":"","context":"In &quot;Tips &amp; Tricks&quot;","block_context":{"text":"Tips &amp; Tricks","link":"https:\/\/jeremyverda.net\/category\/tips-tricks\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/jeremyverda.net\/wp-content\/uploads\/2018\/04\/putty-default.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":876,"url":"https:\/\/jeremyverda.net\/how-to-reset-wsl-password\/","url_meta":{"origin":684,"position":1},"title":"How to reset WSL password","author":"J\u00e9r\u00e9my Verda","date":"February 9, 2019","format":false,"excerpt":"If you are using Windows Subsystem for Linux and you forgot your password, here is a small howto to reset it. This howto is based on Ubuntu 18.04 but it seems it can be used for any other version. Launch Ubuntu 18.04 and run the following command to get your\u2026","rel":"","context":"In &quot;Software&quot;","block_context":{"text":"Software","link":"https:\/\/jeremyverda.net\/category\/software\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/jeremyverda.net\/wp-content\/uploads\/2019\/02\/reset_password_ISL.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/jeremyverda.net\/wp-content\/uploads\/2019\/02\/reset_password_ISL.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/jeremyverda.net\/wp-content\/uploads\/2019\/02\/reset_password_ISL.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/jeremyverda.net\/wp-content\/uploads\/2019\/02\/reset_password_ISL.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":897,"url":"https:\/\/jeremyverda.net\/change-openssh-server-default-shell-on-windows-server-2019\/","url_meta":{"origin":684,"position":2},"title":"Change OpenSSH Server default shell on Windows Server 2019","author":"J\u00e9r\u00e9my Verda","date":"February 23, 2019","format":false,"excerpt":"If you are using OpenSSH Server on Windows Server 2019, the default shell is cmd.exe. If you want to set the default shell to PowerShell or even PowerShell Core, you can run the following PowerShell command (it will create a registry key) then restart the OpenSSH server service : New-ItemProperty\u2026","rel":"","context":"In &quot;System&quot;","block_context":{"text":"System","link":"https:\/\/jeremyverda.net\/category\/system\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":443,"url":"https:\/\/jeremyverda.net\/zabbix-and-pure-storage-monitoring-v2\/","url_meta":{"origin":684,"position":3},"title":"Zabbix and Pure Storage monitoring V2","author":"J\u00e9r\u00e9my Verda","date":"March 25, 2018","format":false,"excerpt":"At the end of 2017, I've shared a post talking about Zabbix and Pure Storage monitoring. At this time we were using it as a POC. A few weeks later, we were so happy with the product that we decided to use it in production. 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I'm using this NAS as a SMB repository for the backup of my home lab and following the upgrade all my backup failed with the following error : \"Agent failed\u2026","rel":"","context":"In &quot;Backup&quot;","block_context":{"text":"Backup","link":"https:\/\/jeremyverda.net\/category\/backup\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/jeremyverda.net\/wp-content\/uploads\/2021\/09\/image2021-9-22_15-25-1.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/jeremyverda.net\/wp-content\/uploads\/2021\/09\/image2021-9-22_15-25-1.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/jeremyverda.net\/wp-content\/uploads\/2021\/09\/image2021-9-22_15-25-1.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/jeremyverda.net\/wp-content\/uploads\/2021\/09\/image2021-9-22_15-25-1.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":196,"url":"https:\/\/jeremyverda.net\/traceroute-with-zabbix-and-mtr\/","url_meta":{"origin":684,"position":5},"title":"Traceroute with Zabbix and MTR","author":"J\u00e9r\u00e9my Verda","date":"March 5, 2017","format":false,"excerpt":"At the company I work for, we are using Zabbix to monitor our infrastructure and in some case we are using \"traceroute\" to keep an eye on our network from different locations. 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