Questions tagged [ssl]

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

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cant get ssl to work setting up Monit

I am trying to setup Monit on Ubuntu 16.04 It has installed and is running without problem When I try to activate ssl for the http interface it does not work. Trying the url I get that the site does ...
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Problem with SSL, apache2, getting 403 error when I open my website

I have a problem with the SSL certificate, although I do not know if it is the problem. Every now and then, when I open the pixelwork.pl website, I have a 403 problem. We know how to enable indexing, ...
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xfreeRDP using self-signed certificates

I would like to use a self-signed certificates and connect to my windows rdp server(2019) through xfreerdp v2 So i have created a self-signed certificates and i mentionned the Ip adresse in the FQDN ...
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135 views

When I try to CURL a website I get SSL error

I installed Ubuntu 20 on my VPS. This is why I'm trying to do: curl -v https://imenik.tportal.hr/show?action=pretraga&type=bijeleStranice [1] 438975 root@vps:/var/www/html/tportal# * Trying 195....
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I'm stuck trying to configure a SSL reverse proxy with apache

I'm configuring an Apache SSL reverse proxy for calling a backend server, whose I have client certificates and keys, from a middleware. Shortly: http https middleware -----...
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.p7b certificates installation or import in ubuntu

I have a .p7b file in order to connect with a private site through HTTPS. Ubuntu pops up a window where I could see all the details of certificate, then there were two buttons: "Close", that is the ...
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25 views

There was a problem syncing your library

I removed ca-certificates using: sudo apt-get --purge remove ca-certificates My issue was yesterday here, I fixed but Mendeley is still showing me this error Sorry, there was a problem syncing ...
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SSL handshake keeps failing even after adding certificates to local truststore

When executing wget https://docs.conda.io/projects/conda/en/4.6.0/_downloads/52a95608c49671267e40c689e0bc00ca/conda-cheatsheet.pdf I have this error: --2020-06-03 20:55:06-- https://docs.conda.io/...
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How to restore my certificates at /etc/ssl/certs?

Suddenly my /etc/ssl/cert directory is almost empty and I have no idea how it happened. there were about 400 (symbolic links) left yesterday. Lots of things don't work any more (including apt ...
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Apache2 ssl port 443 do not work

I'm trying to execute the a2enmod ssl command and it works, the problem is when I try to restart the apache service, here I leave the mysite.conf files and the result of the journalalctl -xe execution ...
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lftp, let's encrypt and ca-certificates

Ubuntu 20.04 I use lftp to connect to a server (ftp.domain.xxx). I got "Certificate verification: unable to get local issuer certificate". Reading this answer https://stackoverflow.com/a/44095714/...
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Multiple Virtual host with Port 443 pointing to wrong directory

I have created two virtual host files on ubuntu apache2 www.example1.com.conf www.example2.com.conf which is working fine with port 80. without https. I have added following code for 443 ...
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133 views

Can't restart Apache2 - Error

I currently have a problem with my website after trying to renew my SSL certificat. I've done all the steps mentionned in this tutorial : https://www.digitalocean.com/community/tutorials/how-to-...
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Change Let's encrypt domain - Traefik

Initially, I have setup snap Nextcloud on Ubuntu 20.04 desktop and ran below command to enable SSL using Let's encrypt. I was using free no-ip hostname like ***.onthewifi.com nextcloud.enable-https ...
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I get NET::ERR_CERT_COMMON_NAME_INVALID when I try to use certbot for let´s encrypt in more than one domain

I am following the recommendations of Digital Ocean to configure several SSL certificates in Let´s Encrypt for more than one domain. Both domains have www subdomains. The first domain I have ...
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Nginx+Docker+PHP-FPM SSL error

I have created a self signed SSL certificate , but I'm facing with this error in my NGINX error log when I try to access to the site via https : 2020/05/05 12:49:49 [crit] 6#6: *14 SSL_read() ...
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Ubuntu 20.04 - how to set lower SSL security level?

I'd like to ask if there's a way to lower SSL security level to 1 on Ubuntu 20.04, since I'm receiving: 141A318A:SSL routines:tls_process_ske_dhe:dh key too small when trying to curl the website. ...
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How do I resolve an SSL handshake error in the snap store?

When I open the snap store, I get an SSL handshake error. How can I fix that? I had a clean install of ubuntu 20.04 from an iso. Any help would be welcome. I never had this problem in 19.10 or 18.04.
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SSL Question - about “Unknown Authority”

I went to sslforfree gave my csr info to them and I recieved 2 files from them: 1. ca_bundle 2. certificate.crt I also have my original mydomain.key & the mydomain.csr I then put my .key and ...
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25 views

Prevent non-SNI connections in apache

I'm trying to make Apache either: send a self-signed certificate close the connection if a secure connection is made to my server either with a bogus servername or without SNI support. So far, I ...
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ssl.SSLError: [SSL: DH_KEY_TOO_SMALL] dh key too small (_ssl.c:1108)

I'm stuck with an ssl error!? Upgraded from 19.10 to 20.04 and get this error: ssl.SSLError: [SSL: DH_KEY_TOO_SMALL] dh key too small (_ssl.c:1108) It is raised by a python script calling a rest API ...
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1answer
434 views

Certificate error after upgrade to 20.04

I upgraded my Ubuntu 19.10 to the latest 20.04. After this process, doing HTTP calls passing a certificate gives the following error: error: Error: [('SSL routines', 'SSL_CTX_use_certificate', 'ca md ...
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mydomain.com redirected you too many times. ERR_TOO_MANY_REDIRECTS

I was trying to Secure Nginx with Let's Encrypt on Ubuntu 16.04. mydomain.conf file before obtaining an SSL Certificate server { server_name mydomain.com www.mydomian.com ; # Tell Nginx and ...
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51 views

What is the quickest way to get ssl running on apache2 on ubuntu?

I want to set up ssl for apache 2. How can I do it the quickest way?
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Can’t keep activated Let’s Encrypt setting?

My environment : a remote VPS running distro Ubuntu 18.04 LTS (up to date) For the first time since 4 years and more..., I received an alert message from my hosting provider, saying that because of ...
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15 views

Why won't all getssl output log from cron

I have a LAMP server set up to serve a handful of sites, and I am using the getssl script to create the LetsEncrypt certs for those sites. I had set up a cron job to renew those certs as recommended, ...
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36 views

Need to change domain name (FQDN)

I recently installed Ubuntu 19.10 and created SSL certificates for mydomain.com succesfully on nginx. Now I have realized I need to change it to mycompany.com but it doesn't allow me. I tried certbot ...
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2answers
38 views

Location for SSL certificates, how to secure them?

I have a nodeStatic app on an ubuntu server. A domain links to the server. Now I need to add SSL certificates: var fs = require('fs'); var options = { key: fs.readFileSync('ssl/privatekey.pem')....
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1answer
51 views

nextcloud with ssl

I have nextcloud installed on a dedicated VPS running Ubuntu 19.10 nextcloud sudo nextcloud.manual-install superuser XXXXXXXXX sudo nextcloud.occ config:system:set trusted_domains 1 --value=<host ...
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56 views

Apache2 Ubuntu 16.04 installing SSL certificate not working

some background info, I was originally running this site on Windows hosting with GoDaddy it was working with SSL. I am now setting it up with Ubuntu 16.04 on a GoDaddy VPS. I have got my site up and ...
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Having Citrix workspace 1912 SSL Error 61 for Ubuntu 18.04

I have cert error, how to solve it. Thanksenter image description here
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https of subdomain redirects to main domain - certbot on nginx

I am running nginx and would like to ask you help in explaining how to set up a correct configuration. Im not expert of server maintenance and would like to avoid to misconfigure the running sites. ...
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43 views

Ubuntu 18.04 - SSL Redirection

I'm using Ubuntu 18.04 on DigitalOcean. I tried to install my website SSL and follow some instructions saying that need to add Redirect to https and now the whole website is not loading. Even ...
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1answer
71 views

Error: Could not find pg_ctl executable for version 11 (PostgreSQL 11) + let's encrypt

I have a VPS hosting with a domain redirecting to it. I have LAMP stack for my main website using WordPress CMS. Plus I am using Odoo as my back-end with python and PostgreSQL in a sub-domain. ...
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64 views

xdg-open command in terminal

when i use xdg-open with http it works fine But when i try opening it with https it says this Secure Connection Failed An error occurred during a connection to 10.0.2.15:22533. SSL received a ...
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1answer
15 views

Apache on Ubuntu / protected folder

I tried to long, hope you can help me. I set up an apache server with one protected folder using the 000-default.conf (https://pastebin.com/hzvAv7fn) Everything worked fine until I forced traffic to ...
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1answer
29 views

Unable to redirect from http to https

Im sure this question got answered above a hundred times (cause i nearly have read them all), but i cant get my apache2 redirection working. Im a total beginner regarding everything on linux and im ...
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15 views

certbot free ssl not working on ubuntu 16

I have Ubuntu 16 and hosting sites, and i am using certbot for ssl certificate. when is try to add ssl for my domain, it say succesfully add ssl to your domain, but when i open my domain in browser is ...
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Is this nginx.conf config ok to cache ssl with varnish?

server { listen *:443 ssl http2 default_server; listen [::]:443 ssl http2 default_server; server_name site.com site.com; ssl_certificate /etc/letsencrypt/live/site.com-...
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1answer
505 views

snx network connection to ssl-vpn

I need to use a VPN that uses the Checkpoint SNX technology. It's quite finicky, but until now I've always managed to get it to run. (I've run this VPN on Manjaro and on a Mac). However, I am not able ...
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56 views

Apache doesn't restart

After generating the ssl certificate, my apache doesn't restart. The error is: Job for apache2.service failed because the control process exited with error code. See "systemctl status apache2.service"...
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105 views

How do I install an SSL certificate in order to serve a local web application?

I need to install a local SSL certificate so that the browser trusts it. The tutorial Running Angular CLI over HTTPS with a Trusted Certificate has instructions for OS X and Windows, but not Ubuntu. ...
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160 views

Problem with install newest version of rstudio in Ubuntu 16.04,

I have some issue with install R-Studio on Ubuntu 16.04 LTS. When I install rstudio-1.0.44-amd64.deb this version works. I try: sudo apt-get install gdebi-core wget https://download2.rstudio.org/...
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Remove certificate from Ubuntu [duplicate]

I have followed below steps to install a trusted authority certificate: sudo cp mycert.cer /usr/share/ca-certificates/mycert.pem sudo dpkg-reconfigure ca-certificates sudo update-ca-certificates Now,...
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163 views

OpenLDAP Trouble Setting TLS Cipher List

My institution wants to configure one of our Ubuntu servers with OpenLDAP in order to interface with our SSO provider, Okta, using a server-side agent they have for provisioning users from their cloud ...
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stopeed receiving emails on ubuntu server

we are having ubuntu server for email service on digital ocean. it was working perfectly but recently one of team mates change setting in dns and we are not receiving emails. I am new in ubuntu ...
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1answer
440 views

libssl-1.0.0 and libcrypto-1.0.0 32-bit under Ubuntu 19.10 64-bit

I need to run a quite old program under Ubuntu 19.10 64-bit that requires, among others: libssl-1.0.0 32-bit libcrypto-1.0.0 32-bit I wasn't able to find them - perhaps I didn't look at right places....
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309 views

Renewing certificate on server with Let's Encrypt when first issued with docker

I am running a dockerized django on an EC2 instance. I configured nginx in a docker container and got a certificate also in a docker container. (I followed this guide: https://www.humankode.com/ssl/...
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1answer
2k views

Setting up barrier to run on startup

Barrier is a free popular KVM software that enables mouse/keyboard sharing across several devices. I've been fiddling with it for a few hours and I can't seem to get it right. I have a barrier ...
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1answer
211 views

Use TLS v1.2 instead of v1.3

What package determines the version of TSL that a server uses? I have a game server that is using TLS v1.3 and yet the lobby/client does not deal well with that, there is a large delay (>10secs) on ...

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