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alexistoulotte's avatar
alexistoulotte
New member | Level 1
2 months ago

Dropbox API randomly unreachable Australia

Hi,

A simple telnet to 162.125.11.19 (api.dropboxapi.com) on port 443 from my OVH server in Australia fails randomly. Ping is always ok.

Here is a part of the traceroute:

10  10.200.6.135 (10.200.6.135)  145.994 ms lax-la1-bb1-a9.ca.us (142.44.208.198)  147.296 ms 10.200.6.137 (10.200.6.137)  143.052 ms
11  10.200.6.135 (10.200.6.135)  145.924 ms  145.928 ms 10.200.6.137 (10.200.6.137)  146.958 ms

12  lax-b23-link.ip.twelve99.net (62.115.143.38)  196.255 ms * *

13  * lax-b23-link.ip.twelve99.net (62.115.143.38)  196.280 ms  196.258 ms

14  dls-bb2-link.ip.twelve99.net (62.115.138.64)  233.267 ms * dls-b24-link.ip.twelve99.net (62.115.136.83)  279.787 ms

15  * * *

16  chi-bb2-link.ip.twelve99.net (62.115.136.102)  257.154 ms  253.945 ms *

17  * toro-b5-link.ip.twelve99.net (62.115.136.247)  269.974 ms *

 

Regards.

  • DB-Des's avatar
    DB-Des
    Icon for Dropbox Engineer rankDropbox Engineer

    Hi alexistoulotte,

    If pinging the IP address consistently succeeds but the service remains intermittently unreachable, the issue is likely related to differences in how the network or server handles ping traffic versus higher-level protocols like TCP or UDP.

    Since the issue you are experiencing appears to be a networking issue, would you able to check if there's any proxy, firewall, VPNs, or similar network configurations that may be interfering?

  • alexistoulotte's avatar
    alexistoulotte
    New member | Level 1

    Hi,

    I got no VPN nor proxy. Issue is only with dropbox API, other TCP connections are reliables.

    I suspect ISP regulating traffic.

    • DB-Des's avatar
      DB-Des
      Icon for Dropbox Engineer rankDropbox Engineer

      Hi alexistoulotte

      It may be helpful to continue looking into any potential network factors on your end. Reaching out to your ISP could also provide additional insights.

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