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  2. VFS Global - Wikipedia

    en.wikipedia.org/wiki/VFS_Global

    8960 (as on 30 November 2022) [ 1] Parent. The Blackstone Group. Website. www.vfsglobal.com. VFS Global is a visa and passport administration outsourcing company for governments and diplomatic missions. [ 2] Zubin Karkaria founded the company in 2001 while he was chief executive at Kuoni Travel. [ 3] Formerly based in India, the company is now ...

  3. UK Visas and Immigration - Wikipedia

    en.wikipedia.org/wiki/UK_Visas_and_Immigration

    The then Home Secretary, Theresa May, announced the abolition of the UK Border Agency on 26 March 2013, with the intention that its work would be returned to the Home Office. [1] The agency's executive agency status was removed, and internally it was split, with one division responsible for the visa system and the other for immigration ...

  4. Online Certificate Status Protocol - Wikipedia

    en.wikipedia.org/wiki/Online_Certificate_Status...

    The Online Certificate Status Protocol ( OCSP) is an Internet protocol used for obtaining the revocation status of an X.509 digital certificate. [ 2] It is described in RFC 6960 and is on the Internet standards track. It was created as an alternative to certificate revocation lists (CRL), specifically addressing certain problems associated with ...

  5. 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.

  6. 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.

  7. OCSP stapling - Wikipedia

    en.wikipedia.org/wiki/OCSP_stapling

    The Online Certificate Status Protocol (OCSP) stapling, formally known as the TLS Certificate Status Request extension, is a standard for checking the revocation status of X.509 digital certificates. [ 1] It allows the presenter of a certificate to bear the resource cost involved in providing Online Certificate Status Protocol (OCSP) responses ...

  8. 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.

  9. Visa requirements for British Overseas citizens - Wikipedia

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

    Visa Free Access only to BOCs with right of abode in the UK. ETA required if arriving by air. Not applicable to BOCs with indefinite leave to remain in the UK. [37] Cape Verde: Visa on arrival [38] Central African Republic: Visa required [39] Chad: Visa required [40] Chile: Visa not required [41] 90 days Extension of stay possible for ...