Home›Browse›port knocking🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiTürkçeРусскийالعربيةفارسی中文EntityQ649608· pop 11· linked from 9 articlesport knockingSign in to savesending a specific sequence of requests to closed ports to open a port on a firewallWikidata factsInstance ofmethodShow 1 more facthas goalsafetySources (1)wikidata.orgvia Wikidata · CC0Available in 12 languagesEspañolFrançaisDeutsch中文РусскийItalianoالعربيةCzechPolskiTürkçeفارسیvia Wikidata sitelinks · CC0