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I try to connect with an FTP server with apache-commons-net-3.7.2 (implicit TLS, double factor authentication with client cert + login/password).

I can authenticate myself, enter in passive mode, but the client doesn't succeed in connecting to the server in order to get data by the data socket.

I can connect myself, on the same computer, with WinSCP (same settings). I have activated WinSCP logs to see protocol details, and I have adjusted my source code with the same options. I can verify that my protocol is ok with a ProtocolCommandListener. I know that passive mode is required because WinSCP emits PASV command.

I can see that WinSCP connects to the data socket on port 62564 (I have replaced FTP IP address with XXX)

I'm new to spring-boot & Elasticsearch technology stack and I want to establish secure HTTPS connection between my spring-boot app & elastic search server which runs locally. These are the configurations that I have done in elasticsearch.yml

xpack.security.enabled: true

xpack.security.transport.ssl.enabled: true

xpack.security.transport.ssl.verification_mode: certificate

xpack.security.transport.ssl.keystore.path: elastic-certificates.p12

xpack.security.transport.ssl.truststore.path: elastic-certificates.p12

xpack.security.http.ssl.enabled: true

xpack.security.http.ssl.keystore.path: elastic-certificates.p12

xpack.security.http.ssl.truststore.path: elastic-certificates.p12

xpack.security.http.ssl.client_authentication: optional

xpack.security.authc.realms.pki.pki1.order: 1

I have generated CA and client certificate which signed by generated CA according to this link

https://www.elastic.co/blog/elasticsearch-security-configure-tls-ssl-pki-authentication

And I have added CA to my java keystore.

This is the java code i'm using to establish connectivity with elasticsearch server.

@Configuration public class RestClientConfig extends AbstractElasticsearchConfiguration {

I am using a kafka environment via docker. It went up correctly!

But I can't perform REST queries with my python script...

I am trying to read all messages received on the streamer!

Any suggestions for correction?

Sorry for the longs outputs, I wanted to detail the problem to facilitate debugging :)

consumer.py

I have installed a .NET Core application on my Ubuntu server, and it is running fine both when I run it manually and when I set it up as a systemd service. However, since the application is being run through an nginx web server, and I would like to only start the application when a user accesses it, I tried setting it up with a systemd socket so that the corresponding service only starts when the socket receives a notification from nginx. In this scenario, the application is not working and giving an error when it happens. Is there a way to set up socket-based activiation for .NET Core applications in Linux? I want to emphasize that the same service works fine when it's not activated by the socket. Below is the error I'm receiving, and the systemd units.

I am stuggelin to create a ftp connection with the spring ftpSessionFactory.

In my project I am using the xml configuration for a ftp connection with TLS (it works):

I'm working .Net 5.0 and I get these errors when I throw it to the hosting server. After a while, my website gives HTTP error 500 due to these errors. I created the certificate with OpenSSL and user profile as true but when I try to add a certificate I get these errors.

What should I do about this?

Kafka v2.4 Consumer Configurations:-

In my situation, I have Jenkins with two nodes. One is acting as a master node, and the other nodes as a slave. Also, I have a separate instance for running on SonarQube.

I have an internal Certificate Authority. I used it to sign my certificates. also, I added this CA certificate to the Jenkins java instance trusted store using keytool. I verified my works using SSLPoke.

But the things is when I run a job using SonarQube analysis it failed with the following error can anyone help me to troubleshoot this issue.

For a Stack Exchange project, I'm downloading various links from all over the internet with a Java program that uses Apache HttpClient. It checks for expired SSL certificates, which can be one of the reasons images aren't visible anymore.

I noticed that sometimes, the Java program thinks an SSL certificate is expired, while my browser thinks it's not. An example is the following URL: https://www.dewharvest.com/uploads/3/4/5/4/34546214/oak-from-seed_orig.jpg

My browser (Firefox on macOS) thinks it's valid:

• Certificate chain
• dewharvest.com (end entity)
• Sectigo RSA Domain Validation Secure Server CA (intermediate)
• USERTrust RSA Certification Authority (root)

but when I run the stripped Java program below, this is what I get: