ERR_CONNECTION_RESET on code.jquery.com

[Eahlstan]

Greetings.

When I try to connect to code.jquery.com I get that error.
I tried it on Chrome, Edge and Firefox and they all do the same (I never use Edge or Firefox, so they are 100% clean without any addons). Now the really strange thing is that when I change the language in those browsers (not my system language) from German to English everything works and when I set it back from English to German it resets the connection again.

I can ping the site and trace the route without problems:

  1     2 ms     1 ms     2 ms  2a02-8388-0a84-de80-362c-c4ff-fe30-17c3.cable.dynamic.v6.surfer.at [2a02:8388:a84:de80:362c:c4ff:fe30:17c3] 
  2    12 ms    10 ms     8 ms  2a02:8382:0:24::1 
  3     8 ms     9 ms     8 ms  at-vie-sk11-pe06-bundle-ether608-6.v6.aorta.net [2a02:8380:100:6e::1] 
  4     8 ms     *       11 ms  2a02:8386::1:47:0 
  5    10 ms     9 ms     9 ms  2003:0:fe00:e::1 
  6     *        *        *     Zeit�berschreitung der Anforderung.
  7    21 ms    22 ms    20 ms  2003:0:1304:8004::2 
  8    20 ms    20 ms    26 ms  2001:4de0:ac18::1:a:1a 

Trying to open https://code.jquery.com/jquery-2.1.4.min.js results in these two:

Anyone knows why the connection is denied only when my browsers are set to German?

Thank you.

[Eahlstan]

I just forced Firefox to use IPv4 on code.jquery.com
Using IPv4 I can access the site, using IPv6 causes ERR_CONNECTION_RESET - but still only when my browsers are set to german.

[derdeka]

+1

[motyc]

Also +1, see also #77 (comment)

[rmcolbert]

+1 for users trying to consume Constant Contact email forms. https://code.jquery.com/jquery-3.4.1.min.js fails to load w/ ERR_CONNECTION_RESET and then suddenly starts loading. Seems like an issue w/ the official StackPath CDN hosting.

[CratesDeThebes]

+1, my browsers are set in french and in english. A good test on my side :

• curl -6 https://code.jquery.com/jquery-3.4.1.min.js -I -v > Fail (Connection reset by peer, err 104)

• curl -4 https://code.jquery.com/jquery-3.4.1.min.js -I -v > Success

[bezin]

Same for me here: IPv6 does not work while IPv4 works fine.

 $ curl -6 https://code.jquery.com/jquery-3.4.1.min.js -I -v
*   Trying 2001:4de0:ac18::1:a:1b:443...
* TCP_NODELAY set
* Immediate connect fail for 2001:4de0:ac18::1:a:1b: Network is unreachable
*   Trying 2001:4de0:ac18::1:a:2a:443...
* TCP_NODELAY set
* Immediate connect fail for 2001:4de0:ac18::1:a:2a: Network is unreachable
*   Trying 2001:4de0:ac18::1:a:2b:443...
* TCP_NODELAY set
* Immediate connect fail for 2001:4de0:ac18::1:a:2b: Network is unreachable
*   Trying 2001:4de0:ac18::1:a:1a:443...
* TCP_NODELAY set
* Immediate connect fail for 2001:4de0:ac18::1:a:1a: Network is unreachable
*   Trying 2001:4de0:ac18::1:a:3a:443...
* TCP_NODELAY set
* Immediate connect fail for 2001:4de0:ac18::1:a:3a: Network is unreachable
*   Trying 2001:4de0:ac18::1:a:3b:443...
* TCP_NODELAY set
* Immediate connect fail for 2001:4de0:ac18::1:a:3b: Network is unreachable
* Closing connection 0
curl: (7) Couldn't connect to server

[oppipp]

I'm from Japan and I can't IPv6 connect to https://code.jquery.com/

[bdoserror]

I'm indirectly having this issue too, trying to access the James Webb Space Telescope site, and it's failing to load JQuery, and it looks like this bug. If I turn off my ethernet connection and switch to Wifi, it works.

[MackSix]

It happens to me too.

Putting the IPv4s in the HOSTS file allows me to connect.

This is specific to 2 Dell Alienware PCs. One an R11 (2020) with Windows 10 and an R10 (2021) with Windows 11. They both have a Killer(R) Wi-Fi 6 AX1650x 160MHz Wireless Network Adapter (200NGW).

I have an older HP, from 2017, with Windows 10 and all the IPv6 work fine on the same AT&T DSL connection in Kansas City.

On the Alienwares, 2001:4de0:ac18::1:a:2b doesn't work at all and the other IPs, I keep reloading browser with Ctrl+F5 and they sometimes work and sometimes they don't. I can't ping 2001:4de0:ac18::1:a:2b at all from the Alienwares but from the HP I can. The other IPs will sometime fail the first ping and the rest work.

This happens with Chrome and Firefox both.

I can connect to a IPv6 ajax.googleapis.com just fine with the 2 Alienware PCs. (e.g. https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js)

[bezin]

I'm indirectly having this issue too, trying to access the James Webb Space Telescope site, and it's failing to load JQuery

This site is broken for me, too.

Putting the IPv4s in the HOSTS file allows me to connect.

Can confirm that.

They both have a Killer(R) Wi-Fi 6 AX1650x 160MHz Wireless Network Adapter (200NGW).

I have this trouble with an Dell XPS 13, also using a Killer Wireless Network Adapter, though it is another model (n/a/ac 1435)

I keep reloading browser with Ctrl+F5 and they sometimes work and sometimes they don't. [...] The other IPs will sometime fail the first ping and the rest work.

Can confirm this, too. Completely random and I have not been able to reproduce this consistently.

[oppipp]

I'm also an Alienware m17 R2 with a Killer E3000 2.5 Gigabit Ethernet Controller.
But PPPoE used IPv4 connection is fine.

[MackSix]

This also happens with:

https://cdn.fluidplayer.com/v2/current/fluidplayer.min.js
https://cdn.fluidplayer.com/v2/current/fluidplayer.min.css

They are setup on Highwinds CDN like code.jquery.com is.

[MackSix]

Dell Engineers are looking at this. I spoke with their tech support and they remote controlled my desktop and saw the problem.

Since then, I have found the problem with this URL https://www.t-mobile.com when accessing IPv6.

$ dig AAAA www.t-mobile.com

; <<>> DiG 9.16.26 <<>> AAAA www.t-mobile.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21342
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.t-mobile.com. IN AAAA

;; ANSWER SECTION:
www.t-mobile.com. 153 IN CNAME 7cfz4.x.incapdns.net.
7cfz4.x.incapdns.net. 23 IN AAAA 2a02:e980:b1::b0

;; Query time: 44 msec
;; SERVER: 192.168.1.254#53(192.168.1.254)
;; WHEN: Wed Mar 02 17:45:02 Central Standard Time 2022
;; MSG SIZE rcvd: 107

It will load if I reload it several times. It will then work until I delete the browser file cache and the cookies for it.

Again, I have not problems with my older HP desktop with these sites on the same Internet connection.