Ubuntu server can't connect to some sites when qbittorrent is running (sh.itjust.works)

submitted 1 year ago* (last edited 1 year ago) by ZeroCooler@sh.itjust.works to c/piracy@lemmy.dbzer0.com

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Hey all, ran into a weird issue with my Ubuntu server running qbittorrent-nox I can't seem to figure out.

When Qbittorrent is running, I can't load some sites. How I discovered this was Jackett was failing tests to my trackers. Sometimes all trackers would fail, other times only a couple would.

From the server I ran a curl to the tracker URLs and confirmed they were not loading.

Pcap shows the TLS hello go out, but no response from the server.

Once I kill the qbittorrent process, everything works.

Wondering if anyone has any ideas or has seen this issue before.

Things I've tried:

Disabled ipv6
Changed Qbit UI port
Paused Torrents
re-installed openssl
rebooted about 150 times and counting

Qbit version is 4.5.5 Ubuntu 22.04.3 headless running on Esxi

Appreciate any ideas!

Edit: So after much frustration and some other weird things, restored to a previous snapshot and the issue seems to have resolved. Appreciate all the troubleshooting ideas and responses!

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[-] ryannathans@aussie.zone 8 points 1 year ago

You router's NAT table is probably getting full, try a better router and/or putting torrents over a vpn

[-] ZeroCooler@sh.itjust.works 5 points 1 year ago

Cleared NAT translations and rebooted my router for good measure. No dice.

[-] ZeroCooler@sh.itjust.works 3 points 1 year ago* (last edited 1 year ago)

I'll double check this, but my router is enterprise grade so I don't think I would hit any NAT limitations.

Also, as mentioned in my other response, this isn't affecting any other nodes on my network except the server running Qbit and Jackett.

I have another Ubuntu VM on the same host that works fine when this one is failing.

Thanks so much for the response!

[-] ryannathans@aussie.zone 1 points 1 year ago

Some DNS servers are blocking the requests? Maybe try 1.1.1.1 for all DNS and retry

this post was submitted on 07 Nov 2023

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