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  2. Electronic Travel Authorisation (United Kingdom) - Wikipedia

    en.wikipedia.org/wiki/Electronic_Travel...

    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.

  3. Visa requirements for British Overseas Territories citizens

    en.wikipedia.org/wiki/Visa_requirements_for...

    Visa not required [ 202] Visa not required for a visit of up to six months, or if the BOTC passport holder also has a British Citizen passport and/or a certificate of the right of abode. Otherwise, a visa is required for work, study, joining family or any other stay of more than six months. [ 203] United States.

  4. Visa requirements for British citizens - Wikipedia

    en.wikipedia.org/wiki/Visa_requirements_for...

    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.

  5. Transport Layer Security - Wikipedia

    en.wikipedia.org/wiki/Transport_Layer_Security

    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.

  6. Visa policy of Canada - Wikipedia

    en.wikipedia.org/wiki/Visa_policy_of_Canada

    Visa policy map. Canada. Visa not required; eTA not required. Visa not required; eTA required for travel by air, not required by land or sea. Visitors who held a Canadian visa within the last 10 years or currently hold a valid U.S. non-immigrant visa do not need a visa for air travel, but an eTA is required. For travel by land or sea, a visa is ...

  7. Certificate authority - Wikipedia

    en.wikipedia.org/wiki/Certificate_authority

    Certificate authority. In cryptography, a certificate authority or certification authority ( CA) is an entity that stores, signs, and issues digital certificates. A digital certificate certifies the ownership of a public key by the named subject of the certificate. This allows others (relying parties) to rely upon signatures or on assertions ...

  8. Visa requirements for Canadian citizens - Wikipedia

    en.wikipedia.org/wiki/Visa_requirements_for...

    Visa requirements for Canadian citizens are administrative entry restrictions by the authorities of other states placed on citizens of Canada. As of 2024, Canadian citizens had visa-free or visa on arrival access to 190 countries and territories, ranking the Canadian passport 6th in the world according to the Henley Passport Index . [ 1 ]

  9. Version history for TLS/SSL support in web browsers - Wikipedia

    en.wikipedia.org/wiki/Version_history_for_TLS/...

    Complete mitigation; disabling cipher suites with RC4. Partial mitigations to keeping compatibility with old systems; setting the priority of RC4 to lower. ^ Google Chrome (and Chromium) supports TLS 1.0, and TLS 1.1 from version 22 (it was added, then dropped from version 21).