Questions tagged [ssl]

SSL questions refer to either the Secure Sockets Layer communications protocol or interacting with signed certificates issued by trusted signing authorities.

659 questions
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What is the purpose of the ssl-cert-snakeoil.key

Right now I installed ubuntu 12.04.3 server which I want to access via ssh. For that reason I created a private key which I moved to /etc/ssl/private/ I'm just wondering why there already is private key ssl-cert-snakeoil.key in there. Where is…
My-Name-Is
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Update-ca-certificates: 0 added; 0 removed - how come?

I am following the instructions here to install a root certificate for Charles Proxy. I followed every step exactly as it was outlined, and made sure to set the permissions correctly. However, when I run sudo update-ca-certificates, it…
Jon
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16
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4 answers

How can I open port 443?

I'm trying to host a small node application on a digital ocean droplet running ubuntu 14.04. In local development the site works fine over https, however on the server the site doesn't get displayed and the server does not throw an error, the…
Wilfred
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What is Logjam attack and how to protect Ubuntu against it?

There’s a new problem with SSL called “Logjam” appears yesterday to public. How could it affect Ubuntu? And how to protect Ubuntu against it?
Maythux
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How do I use a P7B file with Ubuntu?

Excuse my poor English and my ignorance about Ubuntu and Linux world in general. I just received a .p7b file in order to connect with a private site through HTTPS. Using MS Windows, I just have to double-click that file and install it, but doing…
3
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Where is the default location of ssl certs?

I have a quick question maybe someone could help me with. I downloaded a few apps and ISO's from source forge today and they seemed to have disappeared. They weren't in the default down load folder or in the Firefox download cache. So anyway, I…
3
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How to fix SSL error from Python apps (urllib) when behind HTTPS proxy?

Example of a failure: ***** Processing account GMail Copying folder structure from Gmail to MappedIMAP Establishing connection to imap.gmail.com:993. WARNING: Error occured attempting to sync account GMail: [Errno 8] _ssl.c:490: E OF occurred in…
Dima
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How can I symlink a subdirectory of /usr/share/ca-certificates?

I have some self-signed certificates located in /mnt/raid/ssl that I would like to add to my /usr/share/ca-certificates. So far I've tried the following: sudo ln -s /mnt/raid/ssl /usr/share/ca-certificates/extra sudo dpkg-reconfigure…
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ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)

Ubuntu 16.04 getting ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590) error in jenkins job while uploading files on production In my .py file I have import httplib and urllib aslo Jenkins job running on ubuntu…
Ajit
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Nssdb Version Update

We had a bug with our ssl and this bug solved with nss version 3.30.2. The problem is that current version of nss is 3.28.4 and my client see our webpage as untrusted so I show our client an easy way to update nss version update to 3.30.2 how can I…
Sefa
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Composer\Downloader\TransportException

When run this command. composer update then I got following error? [Composer\Downloader\TransportException] The "https://packagist.org/packages.json" file could not be downloaded:…
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SSL Error 61 in Citrix Receiver in Ubuntu 12.04

I am using Ubuntu 12.04.5 LTS and I have Citrix Receiver installed. When I am trying to login, I got the error: You have not chosen to trust "DigiCert Hish Assurance Server CA", the issuer of the server's security certificate (SSL error 61)" So, I…
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Why shouldn't we use self-signed SSL certificates in production?

It says not to do that here: https://www.digitalocean.com/community/tutorials/how-to-set-up-a-postfix-e-mail-server-with-dovecot My question is: why not? Also, another question, how does one ensure that a certificate is only readable by the root…
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2 answers

installing a SSL certificate

I have ISPConfig3 installed on my server. I've never installed an SSL certificate before, especially with ISPConfig3. I am trying to install the default domain certificate and I was given 4 files. I have a few questions: Which files do I need to…
ErocM
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CA Issues With getcert certmonger on 22.04

I have a puppet script that issues 802.1x certificates for networking, this process works fine on previous versions of Ubuntu LTS. However when the same process runs on 22.04, it reports an issue verifying the signature on the server to do with the…
jamboNum5
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