I am attempting to connect to MongoDB hosted on an AWS instance with a key file. I am able to ssh into the instance and connect to the database with no issues. When I try to connect to the database from a remote location with pymongo I receive this error: ServerSelectionTimeoutError: SSL handshake failed: EOF occurred in violation of protocol
Port 27017 is open and the source is set to 0.0.0.0/0.
from pymongo import MongoClient
client = MongoClient('mongodb://ec2-123-45-678-910.compute-1.amazonaws.com',
27017,
ssl=True,
ssl_keyfile='/path_to/mykey.pem')
db = client.test
coll = db.foo
coll.insert_many(records)
ServerSelectionTimeoutError: SSL handshake failed: EOF occurred in violation of protocol (_ssl.c:645)
This question is nearly identical to mine, however the error is different and the solution posted there does not apply to my issue.
The address and key here have been changed, I have been going in circles on this for hours with no luck, any help would be appreciated.
This issue can cause because of following issue:
version of pymongo (suggest to use 3.3.0, which worked for me)
It can be a DNS issue, etc, in fact you could check for a DNS issue using:
telnet xx.xx.xx.xx port
can be a firewall issue
Can be an issue with ssl key. Try the following to test:
import os
import pymongo
import ssl
URL="url:port/db?ssl=true"
client = pymongo.MongoClient(URL, ssl_cert_reqs=ssl.CERT_NONE)
db = client.get_default_database()
print db
print db.collection_names()
I had the same problem (SSL handshake) with Pymongo module to connect to DocumentDB Azure (Data Base).
The error :
ServerSelectionTimeoutError: SSL handshake failed: EOF occurred in violation of protocol (_ssl.c:590)
I was using pymongo==3.4.0
To resolve this :
Change the version of pymongo by installing the 3.3.0 version
pip install pymongo==3.3.0
Try:
import pymongo pymongo.__version__
For me, the problem was that my Python setup only supported TLS 1.0 – not TLS 1.1 or above.
You can check it like this:
Python 3
> from urllib.request import urlopen
> urlopen('https://www.howsmyssl.com/a/check').read()
Python 2
> from urllib2 import urlopen
> urlopen('https://www.howsmyssl.com/a/check').read()
Check the output for the key tls_version
. If it says TLS 1.0
and not TLS 1.1
or TLS 1.2
that could be the problem.
If you're using a virtualenv, be sure to run the command inside.
In order support TLS 1.1 or above, you may need to install a newer version of OpenSSL, and install Python again afterwards. This should give you a Python that supports TLS 1.1.
The process depends on your operating system – here's a guide for OS X .
virtualenv users
For me, the Python outside of my virtualenv had TLS 1.2 support, so just I removed my old virtualenv, and created a new one with the same packages and then it worked. Easy peasy!
See also:
I had the same issue and talked for 30 minutes with the Mongo Atlas support which deployed over AWS. I run the next terminal command:
/Applications/Python\ 3.6/Install\ Certificates.command
I had the same issue. Please check if you are connected via VPN. when I disconnected it resolved my problem.
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