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ICS - Internet Component Suite

ICS is a TCP/IP communication component set (VCL and FMX). It supports most of the Internet protocols such as TCP, UDP, FTP, HTTP, POP3, SMTP, NNTP and much more. For both client and server and with of without SSL/TLS encryption. ICS is written in Delphi but can be used with C++ Builder as well.

544 topics in this forum

  1. slowdown tcp transfer under Windows 10 64bits

    By Alain1533,
    • 30 replies
    • 7370 views

  2. SmtpCli - wrong Encoding?!

    By magic2000,   
    • 1 reply
    • 885 views

  3. Some Let's Encrypt certificates being revoked on 28 January 2022

    By Angus Robertson,
    • 0 replies
    • 1081 views

  4. Sometimes a Ping fails (ICS v5)

    By Techo,
    • 11 replies
    • 3928 views

  5. Specifying Sec-WebSocket-Protocol for websocket connection

    By EugeneK,
    • 1 reply
    • 375 views

  6. SSL Faile

    By damos,
    • 1 reply
    • 492 views

  7. SSL GetRemoteFile not transferring the whole image

    By Brian Culverwell,
    • 9 replies
    • 2626 views

  8. SSL Hand shake Error on TSslHttpRest

    By Thomas RIVANO,
    • 5 replies
    • 6421 views

  9. SSL handshake failed - Failed TLS protocol negotiation: SSLv3/TLS write client hello

    By Kyle_Katarn,
    • 4 replies
    • 7965 views

  10. SSL Hanging on close

    By Eric Bonilha,
    • 4 replies
    • 1352 views

  11. SSL Pinning or HPKP

    By cychia,
    • 4 replies
    • 1973 views

  12. SSL_CTX_use_certificate:ee key too small

    By Dmytro Lendel,
    • 8 replies
    • 10032 views

  13. SSL/TLS and Certificate Improvements

    By Angus Robertson,
    • 4 replies
    • 593 views

  14. SSL/TLS Certificate Authority Root Stores

    By Angus Robertson,
    • 0 replies
    • 1744 views

  15. SSL/TLS certificate maximum issue period of 47 days is coming in 2029

    By Angus Robertson,
    • 5 replies
    • 880 views

  16. SslFtpClient1: TSslFtpClient; - Get Host Directories/Files

    By Yuppski,
    • 1 reply
    • 692 views

  17. sslHttpCli - the program freezes after executing the request

    By iddqd345,
    • 4 replies
    • 688 views

  18. SslHttpClient Post problem

    By GillesL.,
    • 6 replies
    • 3665 views

  19. sslOpt_NO_TLSv1 seems to have no effect

    By nSolvePaul,
    • 2 replies
    • 1814 views

  20. SSLWebSocketCli as DLL

    By sfrazor,
    • 7 replies
    • 964 views

  21. Stable Communication between ICS TSslWSocket and TSslWSocketServer

    By idontknow,   
    • 12 replies
    • 4625 views

  22. Studying TSslHttpAppSrv

    By Clément,
    • 9 replies
    • 2781 views

  23. Subscribe to a topic with TIcsMQTTClient

    By Alberto Fornés,
    • 9 replies
    • 723 views

  24. Suggestion/discussion. Process incoming data when Server has closed connection

    By Fr0sT.Brutal,
    • 2 replies
    • 1650 views

  25. SuppProtoCertCentre functionality seems all broken now

    By ap2021,   
    • 4 replies
    • 704 views
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