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We are doing SSL certificate verification using Chilkat. T-Mobile enforces IPV6 in iOS 10.2. SSL socket connection using Chilkat always fails for us on this particular operator / OS combination. However, when we open an HTTP connection from the same device to the server (also on IPV6), it seems to connect fine. Our server is not IPV6 ready, but i'm kind of curious why the http connection works fine on IPV6 and the socket does not.

Unable to connect: ChilkatLog:
  Connect_Socket:
    DllDate: Mar  6 2015
    ChilkatVersion: 9.5.0.48
    UnlockPrefix: AUGMENSocket
    Architecture: Little Endian; 64-bit
    Language: IOS Objective-C
    VerboseLogging: 0
    objectId: 3
    Connect_Socket:
      hostname: api.hostname.com
      port: 443
      ssl: 1
      maxWaitMs: 10000
      socket2Connect:
        connect2:
          connectImplicitSsl:
            connectSocket:
              connect_ipv6_or_ipv4:
                socketErrno: 51
                socketError: Network is unreachable
              --connect_ipv6_or_ipv4
            --connectSocket
          --connectImplicitSsl
          ConnectFailReason: Connection rejected
        --connect2
      --socket2Connect
      Failed.
    --Connect_Socket
  --Connect_Socket
--ChilkatLog

Does anyone have insights on why this may be happening?

asked Jan 03 at 16:52

lazyme's gravatar image

lazyme
1


did you fix your issue already? I have same issue under tmobile,http fine but ftp not

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answered Jul 07 at 14:33

YeJ's gravatar image

YeJ
11

We ended up using the CocoaAsync socket library instead of Chilkat for our needs and that fixed our problem. Not sure if that supports ftp though.

link

answered Jul 07 at 16:10

lazyme's gravatar image

lazyme
1

Your error log (LastErrorText) shows version 9.5.0.48. Did you test with the latest version of Chilkat (v9.5.0.68)?

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answered Jul 08 at 07:21

chilkat's gravatar image

chilkat ♦♦
12.7k317362462

If the problem is only with FTP w/ data transfers, then it's likely an issue with a firewall blocking the data connection.

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answered Jul 11 at 10:57

chilkat's gravatar image

chilkat ♦♦
12.7k317362462

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Asked: Jan 03 at 16:52

Seen: 490 times

Last updated: Jul 11 at 10:57

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