{"id":43,"date":"2016-12-31T00:46:14","date_gmt":"2016-12-31T00:46:14","guid":{"rendered":"https:\/\/jeremyverda.net\/?p=43"},"modified":"2017-01-01T12:40:01","modified_gmt":"2017-01-01T12:40:01","slug":"qnap-multiple-outgoing-connection-udp-port-6881","status":"publish","type":"post","link":"https:\/\/jeremyverda.net\/qnap-multiple-outgoing-connection-udp-port-6881\/","title":{"rendered":"QNAP – Multiple outgoing connection on UDP port 6881"},"content":{"rendered":"
A few weeks ago, while analyzing a customer’s network, I’ve discovered that their QNAP NAS was making a lot of outgoing connections on UDP port 6881.<\/p>\n
Knowing that this NAS is only used as an internal repository for Veeam backup, I knew that this traffic was not wanted.<\/p>\n
Here is an example of the traffic :<\/p>\n
<\/p>\n
After a quick search, it appears that this port is a BitTorrent port<\/a>. This search confirms that this is an unwanted network traffic.<\/p>\n So, I’ve looked up on the QNAP documentation and forum, and I’ve discovered a post<\/a> that was speaking about this problem.<\/p>\n This problem is linked to the package “Download Station<\/a>” that is installed on this QNAP.<\/p>\n Here is the way to solve the problem :<\/p>\n <\/p>\n <\/p>\n A few weeks ago, while analyzing a customer’s network, I’ve discovered that their QNAP NAS was making a lot of outgoing connections on UDP port 6881. Knowing that this NAS is only used as an internal repository for Veeam backup, Read More …<\/a><\/p>\n","protected":false},"author":1,"featured_media":66,"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":[4,5],"tags":[7,8],"jetpack_publicize_connections":[],"yoast_head":"\n\n
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