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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.

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Comments

DB-Des

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

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

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.