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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SSL certificate problem on VirtualBox

I am new to Linux and trying to implement Ruby on Rails on VirtualBox running Ubuntu 20.04, but everytime I try to bundle install on my project It gives me SSL certificate error. Here's the thing: I ...
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Pip error(VirtualBox Ubuntu):pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available

When i use pip download biopython or any other packages: # python -m pip install package-name error: WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python ...
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What is the effect of these changes to /etc/ssl/openssl.cnf

Background: I'm using a tool (sqlpackage) that relies on libssl1.0 (installed per a StackOverflow answer) to connect to a SQL Server instance running in a Docker container. I spent a long time trying ...
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I am not been able to connect with my college wifi which has some restriction, in ubuntu lts 22.04

in Ubuntu 21.10 i am able to connect with college wifi but after updating to ubuntu lts 22.04 i am not been able to connect. OS says wrong password but its correct. Is there any solution to connect ...
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Apache Server 2.4.53 with Custom Built OpenSSL

I am trying to launch an Apache server on Ubuntu 20.04 running a custom built OpenSSL, but I don't want to install it on my machine, instead, I want to show the server where it can find all libraries ...
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Ubuntu 20.04 running Apache2 not recognizing cert from internal CA

I am trying to apply an ssl cert to an internal site. I have a virtual host configured in apache with the ServerName my fqdn and listed the paths to the cert and key files. I generated the key and csr ...
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136 views

Error downloading youtube-dlp: SSL handshake failed

After i upgraded to Ubuntu 22.04. i am receiving this error while downloading ClipGrab "Error downloading youtube-dlp: SSL handshake failed"
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Can't run Laravel apt on Ubuntu 22.04 because it uses OpenSSL 3

When I visit my Laravel site, I get the error: file_get_contents(): SSL operation failed with code 1. OpenSSL Error messages: error:0A000126:SSL routines::unexpected eof while reading I've searched ...
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1 answer
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Why Ubuntu pkg repos are not SSL-encrypted? [duplicate]

Neither archive.ubuntu.com nor *.archive.ubuntu.com have SSL encryption by default. That's danger and horrible, esp. for public servers, as hackers can pretend as archive.ubuntu.com and send debs with ...
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ubuntu ngnix aws lightsail server cant able to access via putty

After changing the firewall settings in the server. I cant able to access via putty. I tried to install ssl certificate, where I supposed to change the firewall settings. I also tried rebooted the ...
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Ignore SSL certificate validation using OpenVPN CLI tool?

I have an .ovpn file that works perfectly fine on my macOS OpenVPN GUI Client; however, running sudo openvpn <file> from my Linux terminal results in SSL certificate validation errors. I'm ...
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Stunnel client side proxy

I found command that connects client side proxy in book "Network security with OpenSSL": stunnel -c -r www.amazon.com:443 Looks like stunnel does not understands option -c: Invalid ...
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curl: (60) SSL certificate problem: certificate has expired while building MikTeX from source

I am trying to build MikTeX on a fresh Ubuntu 22.04 but got an error about curl: (60) SSL certificate problem. The build process has worked before. I build from source following the official ...
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eduroam doesn't connect due to weak certificate signature digest

Recently upgraded to Ubuntu 22.04, and had some issues activating my eduroam WiFi connection. Specifically, I got the following message in syslog: Mai 04 11:42:11 sliver wpa_supplicant[687]: TLS: ...
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Network UPS Tools (NUT) - Ubuntu 20.04 - Init SSL without certificate database Error: Data stale

OS: Ubuntu 20.04 NUT: 2.7.4-11ubuntu4 amd64 I have installed and configured the associated .conf files for a "Standalone" mode Network UPS Tools (NUT) driver/server/client using USB ...
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CERTIFICATE_VERIFY_FAILED error

Python Django error: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1131)> Exception Location: /usr/lib/python3.8/...
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2 answers
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Why plain text http "http://ports.ubuntu.com/ubuntu-ports" on aarch64? [duplicate]

I have the latest Ubuntu installed on Raspberry. During an apt update I was very surprised that the communication is not encrypted. Why is http://ports.ubuntu.com/ubuntu-ports used and not https://...
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compare certificate expiry date and time with current date and time in bash

wanted to compare certification expiry date and time with current date and time. If current date and time exceeds certificate expiry date and time. i need to restart a service. through bash command....
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2 votes
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How to fix SSL handshake error on x11vnc

TLDR: Is there a way to change ADH from ADH:@STRENGTH to ADH:@SECLEVEL=0 either by using a config file (supported on x11vnc), or by adding some commands on the terminal line I use to start VNC (see ...
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2 votes
0 answers
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Mysql 8.0 with Letsencrypt SSL on Ubuntu 20.4

I installed a Letsencrypt SSL certificate on my Ubuntu 20.4 VPN server and it works. Now, I am trying to configure mysql on this server for SSL. I read many relating posts that deal with the same ...
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KIO Client not recognising root CA-Certificate

I have a self-generated SSL root-CA-Certificate in /usr/local/share/ca-certificates/skynet.crt The file is in PEM-format. After I copied skynet.crt into /usr/local/share/ca-certificates, I ran sudo ...
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Cannot verify Lets encrypt certificate Ubuntu 20.04 LTS

I'm running Ubuntu 20.04.3 LTS \n \l which is updated as of today. However, any time I try and wget something, this error pops up: # wget --verbose wops.cc URL transformed to HTTPS due to an HSTS ...
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Apache will not start

As title: Added a ssl certificate and key into apaches folders ssl and ssl/private (etc/apache2/ssl) Running apache -config test results in an error saying the key file is in the private folder is ...
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-1 votes
2 answers
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Ubuntu Focal Root Certificate Not Found

My company has issued it's own issuing and root signing certificates. My server has a ssl cert for apache. I put the root and 4 issuing certs in /etc/ssl/certs. Then I ran update-ca-certificates. ...
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server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none

I am trying to follow steps described on Tor Project Debian Repository page to install latest LTS tor packages. When I run the apt update command, I am getting following error <omitted unrelated ...
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Problem with certificates, reinstall didn't help

I am using Ubuntu 20.04 and I have problems with ca-certificates. When I run command sudo apt update, I receive a lot of errors like: Certificate verification failed: The certificate is NOT trusted. ...
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-3 votes
1 answer
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Update the certificates on Ubuntu 16.04 TLS [closed]

I have an impression that ca-certificates on Ubuntu 16.04 LTS is outdated. Today I tried to do: sudo apt update sudo apt-get install apt-transport-https ca-certificates -y but none was updated: ...
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2 votes
2 answers
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"failed to download odrs.gnome.org" 18.04

And suddenly i have this problem. Tried the reinstall to no avail. I'm on 18.04 and "failed to download odrs.gnome.org" SSL handshake failed. Nothing wrong with my internet. Seems like we ...
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Proper way to Remove Certificate from trust list

I have to add to a trust list my self signed certificate ,but now I need to remove it I am looking for the proper way to do so, without braking the system This is the way I added: I copied the ...
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How to import a self signed certificate into trust store

I have opened a forum post in virtualmin, because I told that my Issue is related to their software, but seems the problem comes from MINIO. They said "Probably best to ask within the minio ...
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How can I setup SSL in Tomcat9?

I have tried to install SSL on tomcat 9 on port 8443. However, I do not know if tomcat support pem or crt format SSL. I have made changes into server.xml but when start tomcat I am getting the below ...
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OCServ dropping connections (OCServ 0.12.6 on Ubuntu 20.04.03)

Server: OCServ ocserv 0.12.6 Compiled with: seccomp, tcp-wrappers, oath, radius, gssapi, PAM, PKCS#11, AnyConnect GnuTLS version: 3.6.13 (compiled with 3.6.11) Client: openconnect OpenConnect ...
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1 vote
1 answer
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Linux/Ubuntu - restricting use of CA cert to just wireless

We have a user who is trying to set eduroam up on his Ubuntu 20.04 PC, he has installed our CA cert (it's a local CA), but is there a way he can restrict the use of this certificate to certain ...
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Postfix + Dovecot Windows 10 mail problem

my problem is that when try to login to my POP3 Server from dovecot via Windows 10 Mail (the default, preinstalled program) and select the "ssl required for incoming" and "ssl required ...
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Problem with SSL Apache2 Ubuntu 18.04

I have a problem trying to renew the SSL certificate for my website. A few days ago I downloaded the new certificate (.crt, .key and intermediate.crt) and replaced it with the old one (obviously I ...
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5 votes
2 answers
864 views

"Your connection is not secure" for every other website [closed]

My father uses an old computer with Ubuntu 16.04 on it. (I cannot update that. He rejects all change. I have made many attempts to make him accept a newer system, to no avail.) Since a few months he ...
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ssl problem with other virtual hosts

i have 5 virtual hosts, one is the hostname on the vps server. it also has a ssl certificate. the other 4 dont have ssl, now when i try view any of the others i get this Your browser sent a request ...
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How to get newer ssl certificats

My browser is returning a cognito-idp.<region>.amazonaws.com/:1 Failed to load resource: net::ERR_CERT_COMMON_NAME_INVALID error when i try to reach my company site. My co-workers on mac have no ...
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1 vote
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Postfix MariaDB SSL Connection Error

I have two servers, both running Ubuntu 21.04. I have Postfix (v3.5.6) installed on one server and MariaDB (v10.5.12-MariaDB-0ubuntu0.21.04.1) installed on the other. When Postfix tries to connect ...
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How to update a SSL Certificate from a private key?

A client sent me a new SSL certificate for his domain site1.hisdomain.com. The A-DNS to this subdomain points to my own server, running Ubuntu/Apache2. My Apache .conf for this domain site1.hisdomain....
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Is certbot a good way to get https:// certificates?

I am setting up a cloud server using Ubuntu 20.04 Server. I will never have many visitors, just my students doing homework. I want to enable https:// access. I found this page. Is certbot a good way ...
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Apache2 on Ubuntu 18.04

I am running Apache2 on Ubuntu 18.04 with Wordpress. It has worked well for about a year. Now I am renewing the SSL Certificate and am having problems. I used the common name of www.mydomain.com for ...
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Missing root CA certificates in Ubuntu

I have Ubuntu 20.04 installed on my remote Google VM. It is missing some critical root CA certificates which is causing verification error on curl, wget and apt-get. How do I install the missing ...
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13 votes
1 answer
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How to install latest ca-certificates on Ubuntu 14 [closed]

I have an Ubuntu 14.04.5 LTS installation. It just recently became unable to verify modern Let's Encrypt certificates. The current version of ca-certificates is 20160104ubuntu0.14.04.1. apt search ca-...
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Failed to initialize SSL server context: dovecot

I have an error on Dovecot on Ubuntu 20.04. After connecting with: telnet localhost 110 and entering username and password, it shows me this error in /var/log/mail.error: server1 dovecot: pop3-login: ...
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2 votes
2 answers
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lftp certificate suddenly not trusted

Since one week ago, lftp does not validate one of the root certificates on my system Certificate: CN=www.planete-sciences.org Issued by: C=US,O=Let's Encrypt,CN=R3 Checking against: C=US,...
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PHP cURL error 60: SSL certificate problem: unable to get local issuer certificate (see https://curl.haxx.se/libcurl/c/libcurl-errors.html)

I am getting curl error as cURL error 60: SSL certificate problem: unable to get local issuer certificate (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://......... I am testing ...
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Manually created keystore file. Where in Ubuntu 18.04.5 LTS I should store it?

I have CA certificate and also a keystore file. According to this guide Install CA certificate on Nexus 3 I am a bit confused if I need to add this Keystore file in /ssl/ directory. Is there any fixed ...
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Error while running apache2ctl graceful

When I run this command: sudo certbot --apache -d example2.com -d www.example2.com I get the following error: Error while running apache2ctl graceful. httpd not running, trying to start Action '...
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-2 votes
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SSL: Error following the ubuntu.com/server/docs/security-certificates#generating-a-csr

I'm running Ubuntu 20.04.3 LTS with the latest upgrade, on a just installed machine. I'm following the guide to generate a csr. Everything has been fine, until I received an error. The latest command ...
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