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Pip Unable to Install - Gets a 'Network is Unreachable' error - IP Blacklisted? #3885

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vkaustubh opened this issue May 3, 2018 · 37 comments
Closed

Pip Unable to Install - Gets a 'Network is Unreachable' error - IP Blacklisted? #3885

vkaustubh opened this issue May 3, 2018 · 37 comments

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@vkaustubh
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vkaustubh commented May 3, 2018 •
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Hi.

We have been facing a unique issue since a few days. Here, by we, I am referring to the members of the institute where I work. An attempt to install any package from pip does not seem to work. We get a "Network is unreachable" error. This error does not happen when we do this using our personal networks not related to our campus network.

Our first suspicion obviously was the firewall. If I understand correctly, 443 port is the only port needed for pip/PyPI to actually work. We have checked that this port is open. We do not use any proxy to connect to the Internet either. Yet we are getting this error.

Running wget on the PyPI link does not work either. Neither does accessing the directories and files from within a browser. We are not experiencing this problem in case of other sites as far as we can see.

Work is on in tandem with our ISP and firewall solutions provider to see what else could explain this phenomenon. But we are at a loss. One of us came up with a theory that there might some firewall or security system at the PyPI end which for some reason has blocked our public IP address. I write this to confirm whether the servers at PyPI do this. If yes, who can I contact to follow up and ensure that this can be reverted?

Thanks in advance.
@ewdurbin
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ewdurbin commented May 3, 2018

@vkaustubh thank you for the report.

We don't currently have any firewalls or prohibited address lists blocking access to PyPI.

Can you provide the following information:

DNS resolution

For PyPI and PyPI files hosting, using the unix command line tool dig or similar:

dig pypi.org
dig files.pythonhosted.org

TLS debug information

For PyPI and PyPI files hosting, using the openssl tool:

openssl s_client -connect pypi.org:443
openssl s_client -connect files.pythonhosted.org:443

@ewdurbin
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ewdurbin commented May 3, 2018

@vkaustubh also any log/debug output from pip would be appreciated by adding -vvv to the command that is failing.

@v1k45
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v1k45 commented May 3, 2018

I'm facing the same issue. When I try to install anything from machine using pip install, I get Timeout errors. The same happens when I try it on my VPS. Note that both these machines are hosted in India and their IP addresses start with 139.

The issues however gets resolved when I use a VPN hosted in another country, like UK.

The pip install verbose log from my machine:

$ pip install --upgrade pip -v
1 location(s) to search for versions of pip:
* https://pypi.python.org/simple/pip/
Getting page https://pypi.python.org/simple/pip/
Looking up "https://pypi.python.org/simple/pip/" in the cache
Current age based on date: 4003730
Freshness lifetime from max-age: 600
Freshness lifetime from request max-age: 600
The cached response is "stale" with no etag, purging
Starting new HTTPS connection (1): pypi.python.org
https://pypi.python.org:443 "GET /simple/pip/ HTTP/1.1" 301 122
Updating cache with response from "https://pypi.python.org/simple/pip/"
Caching permanant redirect
Looking up "https://pypi.org/simple/pip/" in the cache
No cache entry available
Starting new HTTPS connection (1): pypi.org
https://pypi.org:443 "GET /simple/pip/ HTTP/1.1" 200 9793
Updating cache with response from "https://pypi.org/simple/pip/"
Caching due to etag
Analyzing links from page https://pypi.org/simple/pip/
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Collecting pip
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  Getting page https://pypi.python.org/simple/pip/
  Looking up "https://pypi.python.org/simple/pip/" in the cache
  Returning cached "301 Moved Permanently" response (ignoring date and etag information)
  Looking up "https://pypi.org/simple/pip/" in the cache
  Current age based on date: 0
  Freshness lifetime from max-age: 600
  Freshness lifetime from request max-age: 600
  The response is "fresh", returning cached response
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    Found link https://files.pythonhosted.org/packages/e0/69/983a8e47d3dfb51e1463c1e962b2ccd1d74ec4e236e232625e353d830ed2/pip-10.0.0.tar.gz#sha256=f05a3eeea64bce94e85cc6671d679473d66288a4d37c3fcf983584954096b34f (from https://pypi.org/simple/pip/) (requires-python:>=2.7,!=3.0.*,!=3.1.*,!=3.2.*), version: 10.0.0
    Found link https://files.pythonhosted.org/packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl#sha256=717cdffb2833be8409433a93746744b59505f42146e8d37de6c62b430e25d6d7 (from https://pypi.org/simple/pip/) (requires-python:>=2.7,!=3.0.*,!=3.1.*,!=3.2.*), version: 10.0.1
    Found link https://files.pythonhosted.org/packages/ae/e8/2340d46ecadb1692a1e455f13f75e596d4eab3d11a57446f08259dee8f02/pip-10.0.1.tar.gz#sha256=f2bd08e0cd1b06e10218feaf6fef299f473ba706582eb3bd9d52203fdbd7ee68 (from https://pypi.org/simple/pip/) (requires-python:>=2.7,!=3.0.*,!=3.1.*,!=3.2.*), version: 10.0.1
  Using version 10.0.1 (newest of versions: 0.2, 0.2.1, 0.3, 0.3.1, 0.4, 0.5, 0.5.1, 0.6, 0.6.1, 0.6.2, 0.6.3, 0.7, 0.7.1, 0.7.2, 0.8, 0.8.1, 0.8.2, 0.8.3, 1.0, 1.0.1, 1.0.2, 1.1, 1.2, 1.2.1, 1.3, 1.3.1, 1.4, 1.4.1, 1.5, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.5.6, 6.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6, 6.0.7, 6.0.8, 6.1.0, 6.1.1, 7.0.0, 7.0.1, 7.0.2, 7.0.3, 7.1.0, 7.1.1, 7.1.2, 8.0.0, 8.0.1, 8.0.2, 8.0.3, 8.1.0, 8.1.1, 8.1.2, 9.0.0, 9.0.1, 9.0.2, 9.0.3, 10.0.0, 10.0.1)
  Looking up "https://files.pythonhosted.org/packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl" in the cache
  No cache entry available
  Starting new HTTPS connection (1): files.pythonhosted.org
  Incremented Retry for (url='/packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl'): Retry(total=4, connect=None, read=None, redirect=None, status=None)
  Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x7f570e9d97b8>: Failed to establish a new connection: [Errno 101] Network is unreachable',)': /packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl
  Starting new HTTPS connection (2): files.pythonhosted.org
  Incremented Retry for (url='/packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl'): Retry(total=3, connect=None, read=None, redirect=None, status=None)
  Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x7f570e9d93c8>: Failed to establish a new connection: [Errno 101] Network is unreachable',)': /packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl
  Starting new HTTPS connection (3): files.pythonhosted.org
  Incremented Retry for (url='/packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl'): Retry(total=2, connect=None, read=None, redirect=None, status=None)
  Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x7f570e32c908>: Failed to establish a new connection: [Errno 101] Network is unreachable',)': /packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl
  Starting new HTTPS connection (4): files.pythonhosted.org
  Incremented Retry for (url='/packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl'): Retry(total=1, connect=None, read=None, redirect=None, status=None)
  Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x7f570e32cc88>: Failed to establish a new connection: [Errno 101] Network is unreachable',)': /packages/0f/74/ecd13431bcc456ed390b44c8a6e917c1820365cbebcb6a8974d1cd045ab4/pip-10.0.1-py2.py3-none-any.whl
  Starting new HTTPS connection (5): files.pythonhosted.org

Also, worth noting that services like isup.me show that files.pythonhosted.org is down too. Meaning their IP address is blocked too. isup.me

@ewdurbin
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ewdurbin commented May 3, 2018

@v1k45 can you provide dig/tls debug command output from my earlier comment?

@vkaustubh
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vkaustubh commented May 3, 2018 via email

@v1k45
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v1k45 commented May 3, 2018

Sure, here you go:

dig

$ dig python.org

; <<>> DiG 9.10.3-P4-Ubuntu <<>> python.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23920
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;python.org.                    IN      A

;; ANSWER SECTION:
python.org.             21129   IN      A       23.253.135.79

;; Query time: 62 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Thu May 03 17:09:02 IST 2018
;; MSG SIZE  rcvd: 55

$ dig files.pythonhosted.org

; <<>> DiG 9.10.3-P4-Ubuntu <<>> files.pythonhosted.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33342
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;files.pythonhosted.org.                IN      A

;; ANSWER SECTION:
files.pythonhosted.org. 9       IN      CNAME   dualstack.r.ssl.global.fastly.net.
dualstack.r.ssl.global.fastly.net. 28 IN A      151.101.193.63
dualstack.r.ssl.global.fastly.net. 28 IN A      151.101.129.63
dualstack.r.ssl.global.fastly.net. 28 IN A      151.101.65.63
dualstack.r.ssl.global.fastly.net. 28 IN A      151.101.1.63

;; Query time: 68 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Thu May 03 17:07:16 IST 2018
;; MSG SIZE  rcvd: 162

openssl

$ openssl s_client -connect pypi.org:443
CONNECTED(00000003)
depth=2 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert High Assurance EV Root CA
verify return:1
depth=1 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert SHA2 Extended Validation Server CA
verify return:1
depth=0 businessCategory = Private Organization, jurisdictionC = US, jurisdictionST = Delaware, serialNumber = 3359300, C = US, ST = New Hampshire, L = Wolfeboro, O = Python Software Foundation, CN = www.python.org
verify return:1
---
Certificate chain
 0 s:/businessCategory=Private Organization/jurisdictionC=US/jurisdictionST=Delaware/serialNumber=3359300/C=US/ST=New Hampshire/L=Wolfeboro/O=Python Software Foundation/CN=www.python.org
   i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 Extended Validation Server CA
 1 s:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 Extended Validation Server CA
   i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert High Assurance EV Root CA
---
Server certificate
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
subject=/businessCategory=Private Organization/jurisdictionC=US/jurisdictionST=Delaware/serialNumber=3359300/C=US/ST=New Hampshire/L=Wolfeboro/O=Python Software Foundation/CN=www.python.org
issuer=/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 Extended Validation Server CA
---
No client certificate CA names sent
Peer signing digest: SHA512
Server Temp Key: ECDH, P-256, 256 bits
---
SSL handshake has read 3910 bytes and written 431 bytes
---
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES128-GCM-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-RSA-AES128-GCM-SHA256
    Session-ID: 04ACA949EB7F2176A37555FADAAD32EB316668CEBDE3DD07738D170E959D8143
    Session-ID-ctx: 
    Master-Key: 72DD752CF5F95756EBE8E26B39BF1DAD162678C0BDEA52971184C0F3DE9036C8104FE015127223817D5682A2CEB59159
    Key-Arg   : None
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    TLS session ticket lifetime hint: 7200 (seconds)
    TLS session ticket:
    0000 - fd e8 4d 37 4a 88 d0 b4-a0 5f ac 46 d4 69 7a c1   ..M7J...._.F.iz.
    0010 - 35 42 5e 24 be 57 b7 24-d9 1e 29 09 b1 e2 b5 02   5B^$.W.$..).....
    0020 - 86 1c 44 b6 ea be a3 1a-db c2 46 c8 41 31 2f c3   ..D.......F.A1/.
    0030 - 4c 12 30 43 5f 22 00 35-23 4b e9 2f 63 d2 c2 0c   L.0C_".5#K./c...
    0040 - 28 bf f2 ff 11 a4 3c 11-19 ee 55 86 00 dd 9b 63   (.....<...U....c
    0050 - 0c f9 ac ae 29 10 55 e6-86 1a f7 8b dc 16 d9 13   ....).U.........
    0060 - f3 fe 01 65 ab b0 bf d5-e9 a5 5c ac 97 f3 3a c7   ...e......\...:.
    0070 - 65 25 27 e7 b1 9a 10 63-92 25 c5 1b ec f6 85 ff   e%'....c.%......
    0080 - d3 e6 72 ce ae 6c 22 7a-1a 30 52 d4 4b ff c6 cc   ..r..l"z.0R.K...
    0090 - 34 f2 25 f2 7f 92 e0 7b-03 01 6e 3d 87 d5 b6 1f   4.%....{..n=....

    Start Time: 1525347560
    Timeout   : 300 (sec)
    Verify return code: 0 (ok)
---

^C

Request to pythonhosted.org never completed.

$ openssl s_client -connect files.pythonhosted.org:443
^C

The download links at pypi.org don't work too. The links show connection error as soon as I click them.

@vkaustubh
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vkaustubh commented May 3, 2018 via email

@ewdurbin
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ewdurbin commented May 3, 2018

@vkaustubh @v1k45 Can you please try the following commands and provide the results?

curl -vvv --ipv4 https://files.pythonhosted.org/

curl -vvv --ipv6 https://files.pythonhosted.org/

@v1k45
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v1k45 commented May 3, 2018

@ewdurbin here you go:

$ curl -vvv --ipv6 https://files.pythonhosted.org/
*   Trying 2a04:4e42:600::319...
* TCP_NODELAY set
* Immediate connect fail for 2a04:4e42:600::319: Network is unreachable
*   Trying 2a04:4e42:400::319...
* TCP_NODELAY set
* Immediate connect fail for 2a04:4e42:400::319: Network is unreachable
*   Trying 2a04:4e42:200::319...
* TCP_NODELAY set
* Immediate connect fail for 2a04:4e42:200::319: Network is unreachable
*   Trying 2a04:4e42::319...
* TCP_NODELAY set
* Immediate connect fail for 2a04:4e42::319: Network is unreachable
* Closing connection 0
curl: (7) Couldn't connect to server

$ curl -vvv --ipv4 https://files.pythonhosted.org/
*   Trying 151.101.1.63...
* TCP_NODELAY set
* connect to 151.101.1.63 port 443 failed: Connection timed out
*   Trying 151.101.65.63...
* TCP_NODELAY set
* After 85319ms connect time, move on!
* connect to 151.101.65.63 port 443 failed: Connection timed out
*   Trying 151.101.129.63...
* TCP_NODELAY set
* connect to 151.101.129.63 port 443 failed: No route to host
*   Trying 151.101.193.63...
* TCP_NODELAY set
* After 34886ms connect time, move on!
* connect to 151.101.193.63 port 443 failed: Connection timed out
* Failed to connect to files.pythonhosted.org port 443: Connection timed out
* Closing connection 0
curl: (7) Failed to connect to files.pythonhosted.org port 443: Connection timed out

@samriddhigoswami
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curl -vvv --ipv6 https://files.pythonhosted.org/
curl -vvv --ipv6 https://files.pythonhosted.org/

  • Trying 2a04:4e42::319...
  • TCP_NODELAY set
  • connect to 2a04:4e42::319 port 443 failed: Host unreachable
  • Trying 2a04:4e42:200::319...
  • TCP_NODELAY set
  • connect to 2a04:4e42:200::319 port 443 failed: Host unreachable
  • Trying 2a04:4e42:400::319...
  • TCP_NODELAY set
  • connect to 2a04:4e42:400::319 port 443 failed: Host unreachable
  • Trying 2a04:4e42:600::319...
  • TCP_NODELAY set
  • connect to 2a04:4e42:600::319 port 443 failed: Host unreachable
  • Failed to connect to files.pythonhosted.org port 443: Host unreachable
  • Closing connection 0
    curl: (7) Failed to connect to files.pythonhosted.org port 443: Host unreachable

@ewdurbin
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ewdurbin commented May 3, 2018 •
edited
Loading

@samriddhigoswami @v1k45 @vkaustubh Just for debugging purposes, can someone experiencing this issue try:

curl -vvv ...

Edit: Command output no longer desired. :)

@samriddhigoswami
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samriddhigoswami commented May 3, 2018 •
edited by ewdurbin
Loading

@ewdurbin : Please find below the output:

Maintainer Edit, EWDurbin: Response to extraneous output (my bad) removed.

@v1k45
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v1k45 commented May 3, 2018 •
edited by ewdurbin
Loading

I corrected the command:

Maintainer Edit, EWDurbin: Response to extraneous output (my bad) removed.

@ewdurbin
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ewdurbin commented May 3, 2018

@v1k45 thank you, sorry for giving wrong command. I've updated the initial comment.

@rep-movsd
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I'm facing the exact same problem, and the exact same responses to the commands as @v1k45

@ewdurbin
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ewdurbin commented May 3, 2018 •
edited
Loading

Okay! Thanks everyone for the debug output. I'm stumped here. Best guess right now is that ISPs are blocking access to the addresses files.pythonhosted.org resolve to.

These addresses are shared with numerous other customers of the CDN we use and it's possible ISPs are attempting to block access to one of those.

I've opened a support ticket with our CDN provider. If possible please email me with your public IP address.

Send the output of

curl -s -4 https://icanhazip.com

and

curl -s -6 https://icanhazip.com

to [redacted] (If you are experiencing problems and came to this issue, please file a new Network Access Issue)

@samriddhigoswami
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samriddhigoswami commented May 3, 2018 •
edited by ewdurbin
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@ewdurbin : Output from my command prompt-

Maintainer Edit, EWDurbin: Response to extraneous output (my bad) removed.

@ewdurbin
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ewdurbin commented May 3, 2018

Thanks for the output folks. I'm going to go back and tidy up responses to reduce noise here. Some comments may be edited to redact extraneous or no longer necessary output.

@ewdurbin
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ewdurbin commented May 3, 2018 •
edited
Loading

@samriddhigoswami @rep-movsd @v1k45 @vkaustubh

Can you send the text output generated by https://www.fastly-debug.com to [redacted] (If you are experiencing problems and came to this issue, please file a new Network Access Issue)?

It looks like this once the diagnostic is complete:

screen shot 2018-05-03 at 10 11 57 am

@ewdurbin
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ewdurbin commented May 3, 2018

Unfortunately you'll need to run this from a browser that's experiencing issues reaching files.pythonhosted.org, as there doesn't seem to be a command line version.

@rep-movsd
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Seems like a google DNS issue
I edited my resolv.conf to point to my broadband gateway instead of 8.8.8.8 and it works!

@ewdurbin
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ewdurbin commented May 3, 2018

Okay, that bit of information was very helpful @rep-movsd!

Because GoogleDNS and similarly OpenDNS don't allow for responses for localized Points of Presence, the response will get the Anycast IPs for our service.

I'm able to reproduce with a DigitalOcean droplet in Bangalore, IN.

I've supplied trace routes and other diagnostics requested to our CDN provider and will update when we have more information.

@ewdurbin
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ewdurbin commented May 3, 2018

It appears that the Anycast IP issues may have been resolved. I'm unable to reproduce from my test droplet.

@ewdurbin
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ewdurbin commented May 3, 2018 •
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If you are currently experiencing issues. Please email a link to a gist with the following content to [redacted] (If you are experiencing problems and came to this issue, please file a new Network Access Issue)

  1. go to https://fastly-debug.com Once it completes loading, grab the base64 encoded output in the box at the top and paste it in

  2. dig files.pythonhosted.org A and dig files.pythonhosted.org AAAA and paste results (DNS query for the records)

  3. run a traceroute to the first IP in the A record and paste the result: traceroute 151…

  4. if available run a traceroute6 to the first IP in the AAAA record and paste the result traceroute6 2a04:…

  5. run a curl over ipv4 cranked on verbosity and paste the result curl -vvv --ipv4 https://files.pythonhosted.org/ and paste the result

  6. if available run a curl over ipv6 cranked on verbosity and paste the result curl -vvv --ipv6 https://files.pythonhosted.org/ and paste the result

Please do not paste the output in line with your response, Please create a gist at https://gist.github.com and email the link to [redacted] (If you are experiencing problems and came to this issue, please file a new Network Access Issue)

@ewdurbin
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ewdurbin commented May 3, 2018

https://status.python.org/incidents/5ckb1xvs1z9w

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ewdurbin commented May 3, 2018 •
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CDN provider has reported that they rolled out some changes to their network which may help. Can any earlier reporters of issues respond if access is restored?

@v1k45
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v1k45 commented May 4, 2018

The issue seems to have fixed at my end. pip installs are working as expected. files.pythonhosted.org is also accessible.

@ewdurbin
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ewdurbin commented May 4, 2018

Sounds like Fastly is aware of issues in the region and has resolved them and is working on a more permanent fix. Closing this.

Thanks to everyone for contributing in assisting to diagnose, I'm going to take the template for reporting networking issues above and get it into an issue template for now! What we learned together will be of great help in the future!

@ewdurbin ewdurbin closed this as completed May 4, 2018
@ewdurbin ewdurbin mentioned this issue May 4, 2018
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@sandys
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sandys commented May 7, 2018

we are seeing network issues from Google Cloud Mumbai data center. pip installs are failing and pings are timing out

https://gist.github.com/sandys/6346ca9b972fb1824a11f1516b706195

@nikoren
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nikoren commented May 7, 2018

Same here ,from Google cloud in US datacenters, changed the /etc/resolv.confg to 4.2.2.1 and it works

@sandys
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sandys commented May 7, 2018

we had to hardcode hosts address in our docker builds

--add-host=files.pythonhosted.org:151.101.9.63

@di
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di commented May 7, 2018

@sandys @nikoren This should be resolved now.

@nikoren
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nikoren commented May 7, 2018

@di Thanks for letting us know, seems like it works fine now,

@jebek29
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jebek29 commented May 10, 2018

Is good

@sochoa
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sochoa commented May 30, 2019

IP v6 connections to files.pythonhosted.org:443 are timing out:

$ time wget -6 -O /dev/null -vvv https://files.pythonhosted.org/packages/a0/0f/9bf71d438d2e9d5fd0e4569ea4d1a2b6f5a524c234c6d221b494298bb4d1/zipp-0.5.1-py2.py3-none-any.whl
--2019-05-30 09:18:06--  https://files.pythonhosted.org/packages/a0/0f/9bf71d438d2e9d5fd0e4569ea4d1a2b6f5a524c234c6d221b494298bb4d1/zipp-0.5.1-py2.py3-none-any.whl
Resolving files.pythonhosted.org (files.pythonhosted.org)... 2a04:4e42:2d::319
Connecting to files.pythonhosted.org (files.pythonhosted.org)|2a04:4e42:2d::319|:443... failed: Connection refused.
wget -6 -O /dev/null -vvv   0.02s user 0.01s system 0% cpu 16.069 total

@di
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di commented May 30, 2019

@sochoa I can't reproduce:

$ time wget -6 -O /dev/null -vvv https://files.pythonhosted.org/packages/a0/0f/9bf71d438d2e9d5fd0e4569ea4d1a2b6f5a524c234c6d221b494298bb4d1/zipp-0.5.1-py2.py3-none-any.whl
--2019-05-30 11:28:52--  https://files.pythonhosted.org/packages/a0/0f/9bf71d438d2e9d5fd0e4569ea4d1a2b6f5a524c234c6d221b494298bb4d1/zipp-0.5.1-py2.py3-none-any.whl
Resolving files.pythonhosted.org (files.pythonhosted.org)... 2a04:4e42::319, 2a04:4e42:200::319, 2a04:4e42:400::319, ...
Connecting to files.pythonhosted.org (files.pythonhosted.org)|2a04:4e42::319|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 3819 (3.7K) [binary/octet-stream]
Saving to: ‘/dev/null’

/dev/null            100%[===================>]   3.73K  --.-KB/s    in 0s

2019-05-30 11:28:53 (19.4 MB/s) - ‘/dev/null’ saved [3819/3819]

wget -6 -O /dev/null -vvv   0.02s user 0.01s system 32% cpu 0.105 total

Can you file a new Network Access Issue?

@di
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di commented May 30, 2019

Anyone else arriving at this issue: These errors are sometimes transient. If you're experiencing this, please file a new Network Access Issue.

@pypi pypi locked as resolved and limited conversation to collaborators May 30, 2019
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