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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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26 views

SSL on subfolder not working on apache

I am having a heck of a time getting my subfolder (not sub domain) site working off of my main domain certificate. For example i have www.mydomain.com and i have www.mydomain.com/forum https works ...
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1answer
30 views

Why can't I install pip for a local Python 2.7.12 installation?

Using Ubuntu 18.04 LTS on a VMWare virtual machine. I am trying to set up a local python 2.7.12 environment using make in order to create a virtual environment for an application I'm working on. ...
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0answers
18 views

Installing pivpn on RaspberryPi b3 [on hold]

I'm desperately trying to install pivpn with this command: curl -l http://install.pivpn.io | bash but i'm still getting this error message; curl -L http://install.pivpn.io | bash % Total % ...
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0answers
27 views

SSL errors on Firefox: getting frequent “SSL_ERROR_BAD_CERT_DOMAIN” on Kubuntu

I just installed Kubuntu 18.10 and I'm getting a lot of SSL_ERROR_BAD_CERT_DOMAIN when trying to connect to HTTPS websites. Never had the issue with other distributions or Ubuntu flavors, so I suspect ...
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0answers
16 views

Postfix/Dovecot/Sasl authentication issues with SMTP

I have been trying to get my mail server to work for the last few days. I have postfix/dovecot/sasl on ubuntu 16.04 configured with virtual domains and user. The SSL certificate comes from letsencrypt ...
1
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1answer
62 views

How to disable TLSv1 in Apache

I have installed Apache on an Ubuntu server, and have SSL installed through "Let's Encrypt". The SSL certificate is valid, but when running the URL of the website thought https://whynopadlock.com, it ...
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0answers
23 views

Failed to start The Apache Webserver

I just tried to configure SSL and I did ,but Apache can not start .It is so important for me . systemctl status apache2.service : apache2.service - The Apache Webserver Loaded: loaded (/usr/...
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1answer
38 views

How to use SSL with Quassel? (Lubuntu 18.10 i386)

I executed the command in the Quassel documentation and in File > Networks > Configure Networks clicked 'Edit...' for irc.ubuntu.com:8001 and checked 'Use SSL' (with no proxy, nothing in the Advanced ...
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1answer
62 views

Ubuntu users login blocked, How to recover?

We are hosted in AWS EC2 instance, I was installing SSL certificate for our codeigniter php based website. I was unable to upload the files in /etc/ssl/certs/ to get the access i wrote some code. ...
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0answers
15 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 ...
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0answers
32 views

Is there a way to create and install one self signed SSL for multiple(any) domains?

We have a product which can be accessed by any domain which pointing to my server IP, now is there a way I can create and install one self-signed SSL for multiple(any) domains?
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30 views

How to enable NULL SSL Ciphers?

OpenSSL 1.0.2g 01 Mac 2016 Apache/2.4.18 (Ubuntu) Ubuntu 16.04 SSLCipherSuite ALL: !ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL SSLProtocol all –SSLv2 I would like to know on how ...
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1answer
26 views

How can I find out where SSL Certificate is located?

I inherited a webhooks handler written in ruby using sinatra and running on an Ubuntu (Ubuntu 14.04.5 LTS) server. The SSL Certificate has expired and I need to replace it with a new one. The problem ...
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0answers
61 views

Apache2 - SSL_ERROR_NO_CYPHER_OVERLAP

I have OwnCloud set up on Ubuntu server 18.04 with Apache2, which is only accessible on my internal network. It's been working fine until today I tried to access the web interface (normally I don't ...
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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
8 views

External access on Apache2

I want to enable external access on Apache 2. This is the scheme I have: Domain -> Subdomain -> Mikrotik -> Apache2. I used NAT on Mikrotik. On both, Mikrotik and Apache, I used the port 9191. And,...
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1answer
24 views

Why is cups sometimes unable to read its TLS key and certificate depending on location of symlink?

I have cups failing to establish a connection over https://. → curl https://possum.int.gg3.net:631/adsf -I curl: (35) OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to possum.int.gg3.net:631 ...
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1answer
41 views

Apache2 HTTP Ubuntu Won't Restart

Hey since I have attempted to install SSL onto my site I am unable to restart without removing it from the config. I am running Ubuntu Ubuntu 18.04 x64 Changes for SSL: DocumentRoot /var/www/...
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0answers
105 views

SSL routines:ssl3_read_bytes:tlsv1 alert access denied connect to bitbucket

I have trouble, my ubuntu don't connect to bitbucket.org by https. I install newsletter openssl version kodix@n-kdx-30:~/tmp$ openssl version OpenSSL 1.1.1 11 Sep 2018 but error don't desappear. If ...
1
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2answers
113 views

Update 16.04 LTS - 18.04 LTS - tls_process_client_certificate:certificate verify failed - when using a PSS Signed intermediat

we use a Clientauth configuration for a location without problems for many months Ubuntu 16.04.5 LTS Apache 2.4.18-2ubuntu3.9 openssl 1.0.2g-1ubuntu4.13 Now we upgraded to use HTTP2 Ubuntu 18.04.1 ...
1
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1answer
329 views

Ubuntu 16.04 openssl s_client write:errno=104

I'm getting the following error when trying to connect to github.com, google.com, dropbox.com via https, but stackoverflow.com, askubuntu.com and the majority of https websites work. Relevant details:...
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1answer
82 views

after setup ssl phpmyadmin not working [closed]

aim using amazon Linux before setup ssl ip/phpmyadmin its working i am using ssl for lets-encrypt sudo certbot --apache use this command and add ssl for my all web sites now when i type ...
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0answers
12 views

Wildcard certificates

On my Linux learning journey, the item that takes the most time is the SSL Certificates. I use Apache2 servers for most of the builds, and for the POC, we sometimes use a wildcard certificate from an ...
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0answers
25 views

letsencrypt show yellow color for https [closed]

i setup https for my site but its show yellow color for https but i have no idea why its show yellow color how can i fix that? note:my server amazon-Linux (digitalocean) i follow the tutorials ...
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1answer
166 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 ...
1
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1answer
338 views

Server certificate verification failed [duplicate]

I'm running into a rather confusing issue with server certificate verifications. When running apt update I get the following error: W: Failed to fetch https://deb.nodesource.com/node_6.x/dists/trusty/...
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0answers
31 views

vsftpd public and ssl tls shares

Could anyone help me to solve such a problem... I have a vsftpd ftp server running with ssl tls. Here is my current conf: listen=YES listen_port=10000 pasv_enable=yes pasv_min_port=10001 ...
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0answers
28 views

ssl installation redirecting to default wordpress

I am trying to install ssl on ubuntu bitnami - linux_distribution = ubuntu - linux_distribution_codename = trusty I had made changes to the configuration as per doc : https://docs.bitnami.com/general/...
1
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1answer
115 views

I can't restart the apace2 if I open the SSL port 443 in file of `/etc/apache2/ports.conf ` in ubuntu 18.04LTS

I get a problem in 18.04.I want to configure the SSL for my website, so I edit the profile in etc/apache2/ports.conf and add the line like Listen 443, but when I do service apache2 restart the apahce ...
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1answer
22 views

Openning 443 port with ufw

Although ufw status shows that port 443 is allowed, the netstat -tulpn shows nothing. root@machine:/etc/nginx/sites-available# ufw status Status: active To Action From --...
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2answers
2k views

Citrix receiver 13.10 on Ubuntu 18.04.1

I am trying to get Citrix receiver to work on my Ubuntu laptop. I've installed the Citrix receiver, however when I try to open the .ica file that my company provides when I login to my organisation's ...
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0answers
164 views

Chrome ssl error in Ubuntu 18.0.4

I have a ssl error in chrome when i visited a trusted website in ubuntu 18.0.4. I have seen this question in the community but the solution is for ubuntu 14.0.4. It cannot find the same package for ...
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0answers
292 views

After Ubuntu update to 18.4 SSL Error: bad extension

After a update to 18.4 i cannot use ssl anymore. I can still load the page with firefox. Example 1: openssl s_client -connect www.python.org:443 -tls1_2 CONNECTED(00000003) 140370126008768:error:...
1
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1answer
214 views

MULTIPLE DOMAIN ON A MAIL SERVER AND WEBMAIL

I have a mail server on ubuntu 16.04 with postfix and dovecot and in the same server run roundcube webmail. I access a roundcube webmail with https://webmail.domain1.com (ssl). I need multiple ...
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0answers
669 views

How to upgrade OpenSSL from 1.0.2g to 1.1.0g in Ubuntu and let python recognize the new OpenSSL

I have Ubuntu 16.04. It has OpenSSL 1.0.2g. I need to use OpenSSL 1.1.0g. I did: sudo apt-get upgrade sudo apt-get update But OpenSSL in my Ubuntu machine did not get updated. How can I update it? ...
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0answers
58 views

SSL Certificate troubles

I'm new to Linux, currently learning. Base system is Ubuntu 16.04 LTS, apache2.4 Whenever I try to add a SSL certificate i get the NXDOMAIN error, and it fails. I have added an A record in DNS for ...
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0answers
115 views

Enable SSL on Apache2 for two ports (8080 and 8081)

I am very new to Linux so I might ask silly questions. The configuration: Ubuntu Server 16.04 Software: KOHA: open-source Integrated Library System The problem: KOHA has two interfaces a) the public ...
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0answers
29 views

SSL Installation apache not starting

When I am installing SSL on a server using PuTTY and start the server it could be given an error like action start failed. [Wed Jun 27 13:22:01.911656 2018] [ssl:emerg] [pid 18745] AH02312: Fatal ...
0
votes
1answer
33 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 ...
1
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1answer
192 views

configure error: cannot find ssl library (gtmess)

updated I have tried to install gtmess messenger according to their instruction but when i want to configure it the following error appears: checking for SSL_library_init in -lssl... no checking if -...
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0answers
217 views

Reverse proxy SSL problems

I'm running Ubuntu 18.04 although couldn't I get it to work with Ubuntu 16.04 either. I'm running apache 2.4.29 and openssl 1.1.0g. I'm trying to setup a reverse proxy that worked with Ubuntu 14, and ...
2
votes
1answer
1k views

ubuntu 18.04 failed to connect to some HTTPS sites

I have just formatted my laptop and did a clean install of Ubuntu 18.04. While installing some of my development packages I found issues using both rubygems and python pip. It gives SSL related errors....
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1answer
103 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? ...
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0answers
707 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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0answers
45 views

Install Comodo SSL on Shiny server

I have a ssl certificate from comodo and i want to setup this ssl on my upunto R/Shiny server and i have this files from comodo: STAR_getedara_com.crt COMODORSADomainValidationSecureServerCA.crt ...
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1answer
404 views

Firefox not creating sslkeylog file after setting SSLKEYLOGFILE variable

I ran this in the terminal: export SSLKEYLOGFILE=/home/user/sslkeylog After opening regular Firefox, the developer version of Firefox and Chromium, "sslkeylog" was never created, even after visiting ...
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1answer
1k views

Open Firefox or Chrome to write to SSLKEYLOGFILE

I have exported a new user variable SSLKEYLOGFILE using the command: export SSLKEYLOGFILE=($HOME)/sslkeylog.log If I open Firefox or Chrome normally, no sslkeylog.log file is created (even if ...
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2answers
453 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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1answer
713 views

curl cannot connect to HTTPS sites in 18.04

I recently upgrade to 18.04 from 17.10, and now curl and various other programs no longer connect to HTTPS sites. Here's an example curl invocation: $ curl -v https://httpbin.org/get * Trying 52.3....
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1answer
248 views

Issues with running Apache Certbot due to port already used for httpd.bin

My goal is to get SSL running on my server to run over HTTPS. I'm trying to run the command sudo certbot --apache to generate a certificate for my server as part of these steps https://certbot.eff.org/...