Tags » Openssh

Upgrading OpenSSH on CentOS

First, download the OpenSSH source tarball from the vendor and unpack it. You can find the tarballs at http://www.openssh.com/portable.html

cd /usr/src

wget http://mirror.team-cymru.org/pub/OpenBSD/OpenSSH/portable/openssh-6.8p1.tar.gz

tar -xvzf openssh-6.8p1.tar.gz…

202 more words

Managing an SSH public keys ring with git

Using ssh-updatekeys, you can set up and maintain ~/.ssh/authorized_keys with specific sets on the fly.

You just have  to put your public keys on a public git repository. 69 more words


[System Administration]: Some Notes on Security

Before moving on, I’ll put some notes here on security. Basically, there really isn’t any. At some point, if someone really wants to get in, they’re going to. 1,047 more words


OpenSSH Releases v7.0 To Patch Security Issues

OpenSSH has released v7.0 of their popular SSH implementation. This version resolves 2 issues (1x use-after-free (defined) and 1x privilege separation weakness) in the portable version of OpenSSH and 2 further issues in the standard version. 172 more words

Security Advice

OpenSSH Potentially Vulnerable To Password Brute Force Attack

Update: 13th August 2015:
OpenSSH has released v7.0 which addresses the issue discussed in this post.

In late July a security issue with the most widely used SSH ( 642 more words

Security Advice

Problems connecting to old Cisco routers with SSH?

It seems like something has changed in SSH, so that if you’re using a newer version (for example, you’ve just upgraded to Ubuntu 14.04) you may find you can no longer connect to your Cisco device – it just keeps saying “Connection closed”. 117 more words


OpenSSH jump-host and file-transfer

This article was inspired by a previous post on my personal blog: https://www.freeture.ch/?p=815


OpenSSH is a great tool, everybody knows that (even Microsoft… 998 more words