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The United Kingdom Electronic Travel Authorisation ( ETA) is an advance travel permission required from foreign nationals who intend to visit or transit the United Kingdom without a visa. [ 1] The system, as part of the Nationality and Borders Act 2022, operates using an online application whose information is checked against security databases.
UK Visas and Immigration. UK Visas and Immigration ( UKVI) is a division of the Home Office responsible for the United Kingdom's visa system. It was formed in 2013 from the section of the UK Border Agency that had administered the visa system.
Visa requirements for British citizens are administrative entry restrictions by the authorities of other states placed on citizens of the United Kingdom . As of 2024, British citizens had visa-free or visa on arrival access to 192 countries and territories, ranking the British passport 4th in the world according to the Henley Passport Index.
Transport Layer Security ( TLS) is a cryptographic protocol designed to provide communications security over a computer network. The protocol is widely used in applications such as email, instant messaging, and voice over IP, but its use in securing HTTPS remains the most publicly visible. The TLS protocol aims primarily to provide security ...
Server Name Indication. Server Name Indication ( SNI) is an extension to the Transport Layer Security (TLS) computer networking protocol by which a client indicates which hostname it is attempting to connect to at the start of the handshaking process. [ 1] The extension allows a server to present one of multiple possible certificates on the ...
The Simple Mail Transfer Protocol ( SMTP) is an Internet standard communication protocol for electronic mail transmission. Mail servers and other message transfer agents use SMTP to send and receive mail messages. User-level email clients typically use SMTP only for sending messages to a mail server for relaying, and typically submit outgoing ...
Portal. v. t. e. A credit card is a payment card, usually issued by a bank, allowing its users to purchase goods or services or withdraw cash on credit. Using the card thus accrues debt that has to be repaid later. [ 1] Credit cards are one of the most widely used forms of payment across the world. [ 2]
Immigration policy of the United Kingdom. Immigration policies of the United Kingdom are the areas of modern British policy concerned with the immigration system of the United Kingdom —primarily, who has the right to visit or stay in the UK. British immigration policy is under the purview of UK Visas and Immigration. [ 1]