Access other nodes through a jumper using the JSCH framework

A set of code for remotely accessing ssh has been developed. Recently, there is a need for a jumper to access the target service.After searching the web for half a day, I didn't find a good example, so I browsed the API of JSCH myself.But look in the clouds.Imagine if port forwarding works by mapping the target node ip:port to localhost:port an ...

Posted on Sun, 05 Jul 2020 11:04:53 -0400 by n8w

Access other nodes through a jumper using the JSCH framework

A set of code for remotely accessing ssh has been developed. Recently, there is a need for a jumper to access the target service.After searching the web for half a day, I didn't find a good example, so I browsed the API of JSCH myself.But look in the clouds.Imagine if port forwarding works by mapping the target node ip:port to localhost:port an ...

Posted on Sun, 05 Jul 2020 11:05:19 -0400 by golden_water

SSH(paramiko module implementation)

The process of SSH authentication is encrypted, but the communication after authentication is clear. Certification process: Host A sends A piece of ciphertext to host B with public key encryption, and host B decrypts the ciphertext through private key and sends it to host A for verification, and the authentication is successf ...

Posted on Wed, 01 Apr 2020 04:54:03 -0400 by mfindlay

Deployment Reinforcement of CentOS6u9 sftp Private Account

Simple description: Create a system user dedicated to sftp The user cannot shell login and can only be used as sftp login The user cannot switch to a directory outside his or her home directory Unlimited sftp functionality for other normally added users and directory switching rights after login Service-side deployment: ...

Posted on Fri, 06 Mar 2020 11:14:41 -0500 by nexgen_x

Using Python to update server files in batch

I bought a Linux server, Centos system, installed a pagoda, and built 10 websites. For example, sometimes if I want to add some code to a file, I need to change 10 files in turn. Although the pagoda is a visual page operation, it doesn't need to use commands, but it's also troublesome. Although there's still a hook method of git, But the ope ...

Posted on Fri, 28 Feb 2020 03:02:06 -0500 by PHPdev

One class explains SSH protocol in detail

SSH introduction  Telnet lacks a secure authentication method, and the transmission process uses TCP for plaintext transmission, which has great security risks. Only providing Telnet service is easy to cause DoS (Deny of Service), host IP address spoofing, routing spoofing and other malicious attacks ...

Posted on Mon, 10 Feb 2020 04:33:07 -0500 by chinto09

Instructions for using JSch to connect Sftp

Preface Recently, I need to pass SSH Then on SFTP Connect, and then operate, so record here, convenient for future use, also convenient for everyone as a reference. text First of all, you need to make a dependency reference to JSch, and the project is built by gradle. Here is the build.gradle Code: // https://mvnrepository.com/arti ...

Posted on Fri, 13 Dec 2019 12:41:36 -0500 by jrmckee

Unable to log in Linux, SSH failed due to the modification of var directory permission

1. Problem description The Linux remote server suddenly cannot SSH login, Login error: ssh_exchange_identification: read: Connection reset by peer. 2. Cause of the problem Recently installed MySQL database, During the installation, the permissions of the var directory were modified, Lazy directly chmod-r 777 / var. 3. Solutions C ...

Posted on Thu, 28 Nov 2019 15:59:29 -0500 by Ionisis

paramiko of python module

Reference link: https://blog.51cto.com/13885935/2174984?source=dra paramiko module paramiko module provides the functions of ssh and sft for remote login server to execute commands and upload and download files. This is a third-party package, which needs to be installed before use. import paramiko # ssh root@ip # Create an ...

Posted on Sat, 16 Nov 2019 15:38:30 -0500 by darthmahon

Remote Access Control in Centos 7.4

Bowen catalog1. SSH Remote Management2. Use SSH client program3. Construct SH system for key pair verification 1. SSH Remote Management SSH is a secure channel protocol, which mainly implements the functions of remote login and remote copy of character interface.The SSH protocol encrypts the data transmission of both sides of the communicati ...

Posted on Tue, 12 Nov 2019 16:00:33 -0500 by FRSH