Questions tagged [ssl]

For questions about Secure Sockets Layer (SSL), which is a cryptographic protocol providing secure communications over the Internet.

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Cert-manager letsencrypt pending with cert-manager and traefik

i have a cluster on AKS, that is using traefik to serve a simple http service. I'm trying to use letsencrypt, the DNS is setted up and resolves to aks public ip address correctly but all certificate ...
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1 vote
1 answer
317 views

"The plain HTTP request was sent to HTTPS port" issue with nginx-ingress in rancher/k8s

I'm running Rancher v2.6.3 and I have a cluster with a Django workload built all on top of AWS. The deployment has a cluster ip port set up, I have an ingress created with a prefix rule pointing at ...
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  • 121
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8 views

Company-own certirficates in Kubernetes

The company I'm at filters incoming internet traffic and then modifies it with their own set of TLS certificates. The result is, if I want to run a docker container from docker hub, I normally need to ...
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  • 101
1 vote
2 answers
91 views

When do I have to renew an SSL certificate in Chef?

In the annual process of renewing SSL certificates, I have a list of infrastructure that needs updating. This usually included Chef. This is followed by an arduous and painful process of getting every ...
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3 votes
2 answers
301 views

Ingress vs Load Balancer

I am new to kubernetes and I am trying to expose an application publicly. I am using Scaleway as the cloud provider (if it matters). From what I understand, there are multiple ways of doing this. ...
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0 votes
1 answer
89 views

Configuration for Cloudflare endpoint using SSL to Kubernetes (load balancer & flask service)

Here is a summary of what I'm trying to do: I can get my flask app to respond without HTTPS/SSL. But am receiving a '503 Service Unavailable' when I am trying to use SSL. My understanding is since ...
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  • 101
1 vote
3 answers
1k views

How to resolve a problem "certificate signed by unknown authority" in GKE on pulling image (a private registry) when a pod is created?

I generated a CA certificate, then issued a certificate based on it for a private registry, that located in the same GKE cluster. Put the server certificates to the private registry and the CA ...
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0 votes
1 answer
130 views

Can I move SSL certificate files from one server to another for the same domain?

I have a website running at https://domain.com and IP a.a.a.a, with an SSL cert issued by GoDaddy. The server is deployed with Nginx. Everything is working fine as it is. However I'm trying to deploy ...
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  • 103
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2 answers
1k views

Is SSL/HTTPS Needed Between Docker Containers on the Same Network?

As the title of the questions asks, is it important/needed to have ssl/https working between docker containers on the same network? Our setup is an Nginx container that proxies two Tomcat containers. ...
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  • 101
1 vote
0 answers
52 views

How to use Vault generated certificates for Internal Domains in AWS

I have generated certificates for an internal domain using Hashicorp Vault. I have exported the private key, certificate body and certificate chain. I have uploaded the certificate onto AWS ...
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1 vote
1 answer
86 views

TLS handshake failure

We have an ODBC Driver trying to connect through TLS , but fails. We tested using openssl with the following command and worked fine: openssl s_client -connect xxx.com:31020 the server accepts TLS 1....
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  • 121
1 vote
1 answer
2k views

Jenkins Deployment Issue - Unrecognized SSL Message, Plaintext Connection?

I've been attempting to build and deploy a local copy of a repository, whilst still providing the remote depository to Jenkins, to a Tomcat version 9 server. I have both Jenkins and Tomcat running on ...
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1 vote
1 answer
532 views

How do I bootstrap an alpine image to work with a private repo proxy behind TLS?

I am in a corporate environment behind a gateway that does DPI and often replaces the TLS certificate of most online resources with our corporate certificate. Many of our developers use images based ...
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  • 265
11 votes
2 answers
4k views

How can I add an additional IP / hostname to my Kubernetes certificate?

I've recently followed this guide to set up Kubernetes on my local Raspberry Pi cluster. I can access it fine on my LAN; however I'd like to be able to access it remotely as well. I've already set up ...
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  • 133
1 vote
1 answer
2k views

How to check accepted cipher suites by an Azure App Service?

I am looking for a way to reliably check accepted cipher suites by an Azure App Service. On standard virtual machine I just remote to it and execute PowerShell command: Get-TlsCipherSuite which ...
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  • 11
2 votes
1 answer
4k views

Unable to validate certificate chain: cert.pem in Zimbra mail server

I am trying to install let's encrypt SSL in my Zimbra mail server but getting below error when running below command. /opt/zimbra/bin/zmcertmgr verifycrt comm privkey.pem cert.pem chain.pem Error: *...
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  • 854
1 vote
2 answers
54 views

Issue with custom domain SSL certification

We are working on saas application which is hosted on app.example.com. Now we are trying to give the option to the users where their own domain or sub domain like dev.stack.com point to my application ...
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1 vote
0 answers
34 views

How to confugure proxy for Python Apache Cloud Stack client? [closed]

For example in the requests library you can set proxy explicitely. With exoscale/cs (a Python client for Apache Cloud Stack) it does not work for me. Environment variables are set correctly to ...
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7 votes
1 answer
3k views

Kubernets docker registry behind nginx-ingress

I try to setup docker-registry in Kubernetes cluster behind the nginx-ingress controller. The issue is, when I try to push the image into private registry, it tells me: Get https://registry.local/...
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  • 121
2 votes
0 answers
465 views

404 Not Found when obtaining new certificates for nginx [closed]

I'm trying to obtain ssl certificate for the following server: server { server_name www.nodrama.io; rewrite ^(.*) http://nodrama.io$1 permanent; } server { server_name nodrama.io; listen ...
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  • 183
3 votes
1 answer
831 views

certbot renewal fails over ipv6

I'm using LetsEncrypt CA for SSL certificates with a cron job that renews them. Recently moved one of our domains to dual ipv4/ipv6 stack and now the certificate renewal fails for that domain: ...
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  • 183
33 votes
9 answers
30k views

How to install Certbot plugins?

I installed Certbot by following this tutorial: sudo add-apt-repository ppa:certbot/certbot sudo apt-get update sudo apt-get install python-certbot-nginx And now I want to set up my cert, but I need ...
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  • 581
2 votes
3 answers
111 views

What are trusted providers that offer wildcard certificates and associated costs to be used in an Orchestration Platform like Kubernetes?

Currently, certbot and nginx are used to create a trusted webpage. Recently, an attempt was made to move the images to a kubernetes cluster on google cloud platform. A guide was found to configure an ...
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  • 12.6k
-4 votes
1 answer
103 views

Conditionally run certbot

I am running an ansible task that will among others install a let's encrypt certificate. I want the task to only run if the certificate has not been installed. What is the best way to check (via cmd)...
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  • 877
1 vote
1 answer
1k views

Is it possible to load balance TLS/SSL based logstash communication to elasticsearch?

if i have filebeat -> logstash -> elasticsearch pipeline with TLS or HTTPS encryption , is it possible to load balance between 2 destination elasticsearch clusters in active-standby ? what i mean is, ...
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1 vote
1 answer
3k views

terraform chef provisioning - cannot validate certificate for 10.90.239.223 because it doesn't contain any IP SANs

While configuring the chef provisioner I am running into the following error after running 'terraform apply' chef_environment.terraform_01: Post https://10.90.239.223/organizations/mykitchen/...
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  • 466
5 votes
3 answers
3k views

Validating certificates with get_url or yum on CentOS 7 using Ansible

I'm pretty new to Ansible, but it seemed a better tool than a bash script for installing programs from source on remote servers... Starting from my working-but-fragile bash script, I made an Ansible ...
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3 votes
2 answers
529 views

What are best practices for implementing SSL on Jenkins?

One of the options is to configure SSL in NGinx and to put this in front of Jenkins. Are there any other options for securing Jenkins? I am looking for an answer that is focused on best practices that ...
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  • 12.6k
10 votes
2 answers
8k views

Git seems to recognize http.sslcainfo property from .gitconfig but ignores it on execution? SEC_E_UNTRUSTED_ROOT

all, I have a working certificates chain (testable with OpenSSL) but somehow I cannot manage to tell Git to load these certificates. I get the same "untrusted root authority" error (...
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18 votes
2 answers
5k views

How do I include my internal CA certificate to validate SSL exchanges in Chef?

We do use an internal Certificate Authority to create server certificates in my company. We also have to deal with a transparent proxy doing SSL interception (MITM). I regularly encounter SSL ...
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