Tags » Ssh

Create A New SSH User in CentOS 7

Disabling root login through ssh is one of the first steps to harden your server due to a few reasons. This is a to-the-point, brief article to do the same. 214 more words

Server Hardening

SSH Algorithms

For SSHv2 key exchange:
Use: diffie-hellmann-group14-sha1 for SSH key exchange
Avoid: diffie-hellman-group1-sha1-768 bit, ecdh-sha2-nistp256, ecdh-sha2-nistp384, and ecdh-sha2-nistp521

Cisco recommends avoidance of dh group 1 based on this research paper “Imperfect Forward Secrecy: How Diffie-Hellman Fails in Practice.” 137 more words

Best Practices

OpenSSH Config File Examples

System-wide SSH client configuration files

  1. /etc/ssh/ssh_config : This files set the default configuration for all users of OpenSSH clients on that desktop/laptop and it must be readable by all users on the system.
  2. 959 more words

Putty for Mac FAQ

Here is a FAQ about Putty for Mac it should help answer the most common questions and support request.

(Q) What is Putty for Mac? 290 more words


FileZilla on Windows is waaaay faster than WinSCP

Not sure why yet, but on a gigabit network between a Windows 2008 R2 Server and a Proxmox KVM machine, WinSCP gets around 10 megabit/second and… 14 more words


Using SSH to forward the same local port to multiple external hosts

Okay, this is kinda awesome :-), I got my geek on :-)

My application is connecting to a cluster of external servers but my application can configure hostname but can’t configure port. 109 more words