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In computer networking, port knocking is a method of externally opening ports on a firewall by generating a connection attempt on a set of prespecified closed ports. Once a correct sequence of connection attempts is received, the firewall rules are dynamically modified to allow the host which sent the connection attempts to connect over specific port(s).
A port knock setup needs a firewall that logs every port access, a daemon which has means to change the firewall rules (!), and, depending on how complex the knock sequences should be, cryptographic hash generators, handling of multiple knock attempts coming in at the same time, etc.
Knocking (2021 film), a Swedish thriller film "Knockin'" (song), by Spanish band Double Vision (1995) Engine knocking, or the sound accompanying automotive combustion malfunction; Port knocking, a covert method of opening a port on a server; Roof knocking, a bombing practice of the Israeli Defense Forces; Gene knockin, genetic engineering method
Hò khoan Lệ Thủy, the "ho! row!" song of Lệ Thủy District, Quảng Bình Province, is a Vietnamese folk music song style. [1] The term hò can be translated "heave-ho!" and is a generic call in labouring songs, [2] khoan means to row. [3] The refrain "khoan khoan hò khoan!" ("row-row! ho! row!") references rowing.
Chữ khoa đẩu is a term claimed by the Vietnamese pseudohistorian Đỗ Văn Xuyền to be an ancient, pre-Sinitic script for the Vietnamese language. Đỗ Văn Xuyền's works supposedly shows the script have been in use during the Hồng Bàng period, and it is believed to have disappeared later during the Chinese domination of Vietnam .
When an outbound connection from a private endpoint passes through a firewall, it receives a public endpoint (public IP address and port number), and the firewall translates traffic between them. Until the connection is closed, the client and server communicate through the public endpoint, and the firewall directs traffic appropriately.
At noon on 24 July 1968, on the 15th day of bombing, a bomb fell very close to the mouth of the tunnel where the 10 girls were hiding killing them all. The story of the ten girls was made into a film Ngã ba Đồng Lộc The Girls at Dong Loc Crossroads (1997) [ 2 ] directed by Lưu Trọng Ninh starring Thúy Hường, Hương Dung, Ngọc ...
Sai Gon Joint Stock Commercial Bank or Saigon Commercial Bank, abbreviated as SCB (Vietnamese: Ngân hàng Thương mại cổ phần Sài Gòn), [3] is the largest commercial bank in Vietnam by assets, founded in 2012 and headquartered in Ho Chi Minh City.