Site doesn't work for some users while being cloudflare proxied

Hello,

Our sites started getting slow for some users, and even timing out. Connecting directly to the server works, and because of that, we had to disable cloudflare proxy for most of the sites.

We left it activated on this domain: https://selo.mubi.pt
On Cloudflare diagnostics everything is ok, but we get this errors:

≻ curl http://selo.mubi.pt/
curl: (7) Failed to connect to selo.mubi.pt port 80: Operation timed out

≻ curl https://selo.mubi.pt/
curl: (7) Failed to connect to selo.mubi.pt port 443: Operation timed out

≻ nslookup selo.mubi.pt

Non-authoritative answer:
Name:	selo.mubi.pt
Address: 172.67.179.54
Name:	selo.mubi.pt
Address: 104.21.91.201

≻ traceroute 104.21.91.201
traceroute to 104.21.91.201 (104.21.91.201), 64 hops max, 52 byte packets
 1  192.168.1.1 (192.168.1.1)  1414.303 ms  5.234 ms  2.998 ms
 2  3.128.189.46.rev.vodafone.pt (46.189.128.3)  7.296 ms  6.086 ms  7.502 ms
 3  24.50.174.83.rev.vodafone.pt (83.174.50.24)  6.470 ms  6.177 ms  6.679 ms
 4  * * *
 5  * * *
 6  * * *
 7  * * *
 8  * * *
 9  * * *
10  * * *
11  * * *
12  * * *
13  * * *
14  * * *
15  * * *
16  * * *
17  * * *
18  * * *
19  * * *
20  * * *
21  * * *
22  *^C⏎


≻ traceroute 172.67.179.54
traceroute to 172.67.179.54 (172.67.179.54), 64 hops max, 52 byte packets
 1  192.168.1.1 (192.168.1.1)  1729.550 ms  42.494 ms  55.048 ms
 2  3.128.189.46.rev.vodafone.pt (46.189.128.3)  7.784 ms  8.272 ms  5.279 ms
 3  24.50.174.83.rev.vodafone.pt (83.174.50.24)  63.713 ms  5.627 ms  8.608 ms
 4  ae5-100.ucr1.lis.cw.net (195.10.57.9)  15.086 ms  12.452 ms  11.489 ms
 5  ix-ae-16-0.tcore1.pv9-lisbon.as6453.net (80.231.158.132)  10.983 ms  10.503 ms  11.125 ms
 6  if-ae-1-3.tcore1.sv8-highbridge.as6453.net (80.231.158.30)  39.256 ms  38.899 ms  39.087 ms
 7  if-ae-2-2.tcore2.sv8-highbridge.as6453.net (80.231.139.1)  39.067 ms  39.008 ms  38.905 ms
 8  if-ae-11-2.tcore1.l78-london.as6453.net (80.231.139.42)  40.214 ms  41.105 ms *
 9  if-ae-35-2.thar1.lrt-london.as6453.net (80.231.130.47)  41.963 ms  38.115 ms  38.649 ms
10  195.219.100.153 (195.219.100.153)  39.676 ms  39.328 ms  40.146 ms
11  * * *
12  * * *
13  * * *
14  * * *
15  * * *
16  * * *
17  * * *
18  * * *
19  * * *
20  * * *
21  * * *
22  * *^C⏎

How can we fix this? Is there any more info you need?

It’s best to contact Cloudflare support regarding this issue.

To contact Cloudflare Customer Support, login & go to https://dash.cloudflare.com/?account=support and select get more help. If you receive an automatic response that does not help resolve your issue, reply and indicate that you still require assistance. And, please share your ticket number here so that we can track it.

1 Like

Thank you @erictung , i’ve went with your suggestion and opened ticket #2183719

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