Questions tagged [certificates]
Questions about signed certificates and the processes involved (Creation, signing, accepting, viewing)
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7 views
Broke ca-certificates on 18.04
During an update to Ubuntu 18.04 something went wrong and now I do now seem to have working certificates anymore. I tried to solve this by running sudo apt-get install --reinstall ca-certificates. But ...
1
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0answers
16 views
SHA 1 with RSA for ssl certificate [closed]
I using SHA 1 with RSA encryption for ssl certificate is secure? As i know, sha 1 is not secure, but if we use RSA with sha1, still it will be an issue? Please suggest if any security issues exist.
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0answers
23 views
Add all Firefox Certificates to Ubuntu 18.04 trust store
What is the best way to add all common used Intermediate Certificates in Ubuntu 18.04+, and keep them up2date with apt? I mean typical intermediate certs signed from Digicert, Comodo, etc.
It seems ...
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0answers
31 views
can I export VPN certificate from OSX to Ubuntu?
I have configuration file for VPN that works on OSX with Tunnelblick.
As far as I understand, the same VPN certificate can be used from different machines.
So I copied the configuration file the *....
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0answers
80 views
wget fails by a certificate problem
Same problem of wget interrupted by a certificate problem:
After do-release-upgrade from 16.04 to 18.01
Failed to connect to https://changelogs.ubuntu.com/meta-release-lts. Check your Internet ...
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1answer
114 views
CA root install issue on Ubuntu 16.04 LTS Server
I am setting up nginx reverse proxy on Ubuntu 16.04 LTS Server for Web-Server.
There will three different Services running on Ubuntu. Services will communicate each other using API calls. Similarly ...
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0answers
15 views
How to bypass gnome nextcloud integration tls error
Whenever I set up nextcloud integration on ubuntu 18.04 the nextcloud folder shows an error Invalid TLS Certificate when I click on it. Is there any way to fix this without the admin adding a ...
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0answers
250 views
Wifi connection: CA certificate and system-connections file
My problem is closely related to this question. Unfortunately the answer given there is not an anwer at all: it says "do that and that" but it doesn't say what it is supposed to happen after the ...
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0answers
17 views
Is it feasible to sign Deb package using a cert issued by Trusted CA or signing with a GPG Key Pair Signed by a Trusted CA
I am trying to sign our custom deb install packages so that the end users can verify the signature before installing it.
Using GPG Key pair generated locally and used for signing, requires the end ...
1
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2answers
478 views
Can't install docker, ca problems with curl
I am trying install docker from there instructions:
https://linuxconfig.org/how-to-install-docker-on-ubuntu-18-04-bionic-beaver
I am running the command:
$ sudo curl -fsSL https://download.docker....
0
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1answer
32 views
how to revoke x.509 certificates?
I recently accepted some x.509 certificates on my Ubuntu 16.04 because of open-connect and I wonder how can I delete or revoke them on my system. My problem is I have no idea what were the details of ...
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0answers
36 views
DocumentRoot pointing to wrong directory Ubuntu Server 16.04.3 [duplicate]
I have just created a new VM using Ubuntu Server 16.04.3.
First i created a new directory:
sudo mkdir /var/www/domain.com/html
Then i created a file:
sudo nano /var/www/domain.com/html/index.php
...
1
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1answer
124 views
wget interrupted by a certificate problem
I wanted to download a file using wget https://curl.haxx.se/download/archeology/curl-7.16.2.tar.gz. Done that from a friend's PC and got no errors.
However, when trying to do so from my PC, on which ...
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0answers
18 views
Unable to generate certificate
I'm trying to generate a certificate for a certain server following this lab, but the command that generates a CRT file out of the CSR doesn't seem to work. See the image below
The command is unable ...
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0answers
13 views
ASCII-Cordiet PEM-CErtificate
how can i convert my .pem certificate in ascii-code ?
I downloaded the ascii to text app and copy pasted the .pem (text) which was changed to hexadecimal. When i try to upload the ascii in ...
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1answer
86 views
installing a wildcard Certificate on a subdomain running on ubuntu
i have tried for a full day in vain to install a wildcard Certificate on owncloud (which is a subdomain and running on obuntu 16.04 with apache2)
Any one who can help me here with concrete steps? ...
0
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1answer
1k views
Ubuntu 18.04 certificate validation failure
On a (relatively) fresh installation of Ubuntu 18.04, I'm experiencing failures related to certificate validation. First the Dropbox installer could not download the binary client. I also notice that ...
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0answers
603 views
Messed-up with ca-certificates/ How to restore back to default
Recently I tried to add own ssl for https support in localhost which I couldn't achieve but now i am getting all these error with certificates
With command git push
fatal: unable to access 'https://...
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2answers
414 views
Adding a certificate to Ubuntu
I am having with an App that is not serving the intermediate certificate to the clients.
As a workaround I wanted to add the intermediate certificate (Let's Encrypt X3) to the ca-certificates and ...
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0answers
456 views
SSL certificate error with curl
Reciently I started to having trouble using curl with SSL (it gives cert error). Packages are up to date.
Tried doing "update-ca-certificates --fresh" without success.
# curl https://github.com/
curl:...
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0answers
202 views
ERR_SSL_VERSION_INTERFERENCE error when using fiddler with mono on ubuntu
I'm trying to intercept network requests using fiddler on Ubuntu 17.10 and mono 4.6.2. As per instructions given here I've also imported certificates by running command mozroots --import --sync. But ...
1
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1answer
188 views
Set company certificate as Trusted
My company gave me a file company_CA.crt that I need to use to access one of our customers website.
When I tried to add it on macOS, all I had to do was to click on the file, and then after imported, ...
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0answers
38 views
Certificate on server
I have installed Mahara (Eportfolio system) on Ubuntu 16.04. I need to install a ssl certificate to allow outside access to Mahara.
Can anyone advise on the best way to manage the certificate?
Is ...
0
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0answers
29 views
Unable to install certbot on Ubuntu 16 [duplicate]
According to these instructions for Ubuntu 16,
I'm doing this:
sudo apt-get update
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:certbot/certbot
sudo apt-get update
...
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0answers
111 views
Issue with SSL certificates, unable to install Java or add PPA repo
I just get a new Ubuntu virtual machine (14.04) from Here
and one of the first things I tried to do was to install the JDK 8, starting to add the PPA repo:
sudo add-apt-repository -y ppa:webupd8team/...
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0answers
23 views
Certificates for eid-viewer not found in ubuntustudio 16.04
I am running ubuntustudio 16.04 LTS
I have a Digipass VASCO DP905 E1.1. card-reader.
I could use it to see my ID and log in on websites.
In autumn 2017, I realised it didn’t work anymore.
When I ...
0
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0answers
28 views
How do I request a CA+local certificate from CA?
I have a CA server, and I've already got one machine with CA+local certificates from said CA. However, I don't know how to do the same for my Ubuntu machine.
I can use openssl req -out CSR.csr -new -...
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0answers
38 views
CA Cert Issues with Curl in Ubuntu 14.04.1
Recently email from a Keystone JS app stopped sending transactional email using Mailgun.
Mailgun says: "This may be possibly due to our SSL certification renewal, which was updated on Jan 22, 2018. ...
1
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1answer
3k views
importing root CA certificate in linux
Maybe this is a duplicate, but i cannot find the answer. Windows CA authorities provide their root certificates in several forms:
The certificate by itself and full chain, each can be downloaded in 2 ...
0
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0answers
48 views
How do I manage the ssl certs (pem/key) for vsftpd?
I am working on setting up my first ftp and I am using the ssl certs that were built in and I am wondering if I can find/create personalized certs. How would this affect me and will making a different ...
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0answers
187 views
Unable to load Ubuntu on Toshiba Laptop
Error: 16.0944491 problem loading UEFI:db X.509 certificate (-65)
This error message occurred while trying to load Ubuntu on a Toshiba laptop. What does it mean?
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0answers
290 views
SSL connection to an ubuntu server
I just set up an ubuntu server on a VPS to learn some SSL stuff. I tried to connect to it using openssl using the command:
openssl s_client -connect xxx.xxx.xxx.xxx:443
and it just returns:
connect:...
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0answers
367 views
Install Eclipse Oxygen on Ubuntu 16.04 Certificate Problem
I tried to install Eclipse Oxygen using the Oomph installer contained in the download.
However during the installation process it asks whether i trust two certificates.
When I clicked on details it ...
1
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0answers
441 views
Import a certificate in Evolution mail client
How do I import a certificate?
The help file is very confusing.
I want to be able to encrypt some of my emails.
Managing S/MIME certificates
Certificates allow you to communicate with others ...
0
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0answers
213 views
OpenSSL certificate problem
I have a problem when an Android app tries to connect.
Background: The company that I work with, developed an app. When I tried in a web browser I see the certificate, but in the app, I couldn't even ...
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0answers
334 views
NSS Version Update For Ubuntu 16.04
Our root certificate added to NSS version which is 3.30.2 but on Ubuntu-16.04 the version of NSS is 3.28.4 thus our certificate appear as untrusted on browsers and we have receiving complaint. This ...
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1answer
1k views
viewer for X.509 certificate
Previously X.509 certificates would open properly. I do not know what changed but currently they are opening as text files and shown in gedit. How can I revert to the original behaviour?
Edit: I was ...
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0answers
20 views
Can't get my SSL get to work on Apache2 [duplicate]
default-ssl.conf:
<IfModule mod_ssl.c>
<VirtualHost _default_:443>
ServerAdmin webmaster@localhost
ServerName www.server.at
ServerAlias server.at
...
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0answers
262 views
Nginx reverse proxy for Apache: does Apache need SSL certificates?
I'm setting up Nginx as a reverse proxy for Apache2, in order to run a webmail service and a WordPress site in a secure environment.
Does Apache need to know about the SSL certificates, or is it ...
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0answers
145 views
“Key usage violation in certificate has been detected” Error after upgrade to 17.10
I upgraded ubuntu to 17.10
After that, when i want to connect to my server with openconnect, i get this error:
POST https://MYSERVERIP:2693/
Connected to MYSERVERIP:2693
Using client certificate '...
0
votes
1answer
677 views
Apache2 - SSH - LetsEncrypt SSL - Certbot - Proxy - Manual Setup: How to achieve this?
I have a website running successfully on Apache port 80 HTTP (on a temporary subdomain).
I am following this tutorial in order to setup an SSL certificate on Apache2, Ubuntu using LetsEncrypt with ...
0
votes
1answer
210 views
Caldav (and carddav) compatible client with support for TLS Client certificate authentication
I am in search of a Caldav (and carddav) compatible client with support for TLS Client certificate authentication?
The solution with Thunderbird + Lightning + SoGO connector I suggested in my answer ...
0
votes
1answer
61 views
Combining Certs Together? Ubuntu 16.04?
Is there anyway I can combine certificates together?
I went to my Universities IT Help Desk about not being able to connect to their WPA2 Enterprise Wifi and they handed me 4 Certs Intermediate 1.crt,...
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1answer
331 views
local nginx https server send error certificates: mediarouter.home
I set up a website server on my system via nginx, When I visit my site remotely, everything goes right, but when I visit this site locally(via write domain name in /etc/hosts), nginx will send wrong ...
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1answer
162 views
Which certificate do I add to the trusted store in order to add my device certificate to the trusted store?
I am troubleshooting an issue with my VPN client which lists the troubleshooting steps at https://kb.pulsesecure.net/articles/Pulse_Secure_Article/KB40200.
These instructions just use an ambiguous ...
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0answers
75 views
Franz messaging app - untrusted CA
I've recently moved from Mint to Ubuntu and encountered a problem.
I'm using Franz to manage my multiple messenger accounts. One of them is my employer's Rocket Chat.
At first Rocket Chat didn't ...
1
vote
2answers
4k views
How do you set up SSL certificates for additional ports in Apache? [closed]
Simple question, I just wanted to know how to install SSL certificates in other ports in a webserver. I'm trying to get a web application to be able to have a valid SSL certificate. I use apache2. I'...
2
votes
0answers
359 views
Open encrypted PDF in ubuntu
I have a pdf which is encrypted using a public key algorithm. I also have the corresponding certificate in *.p12 format. I am able to open this pdf in windows after installing this certificate (using ...
0
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1answer
381 views
Create, sign and deploy certificates in Ubuntu 14 system using certtool
I'm trying to learn about certificate generation, signing and what it takes to become a CA.
I am developing a HTTP proxy, which will be a middle proxy between browser and actual web server, and it ...
0
votes
2answers
782 views
How do I create a local CA for local HTTPS certificates?
I am running local sites via Nginx with self-signed HTTPS certificates. However, in GNOME Web (previously known as Epiphany) I still get a security warning because there is no certificate authority ...
