Cisco has released security updates to address critical security flaws allowing unauthenticated attackers to log in using hard-coded credentials or default SSH keys to take over unpatched devices.

对于Linux操作系统来说，一般通过VNC、Teamviewer和SSH等工具来进行远程管理，SSH是 Secure Shell的缩写，由IETF的网络小组（Network Working Group）所制定；SSH 为建立在应用层基础上的安全协议。SSH 是目前较可靠，专为远程登录会话和其他网络服务提供安全性的协议。

I have two Cisco Catalyst 2960-S 48-port switches "stacked" using the Cisco FlexStack module. Originally I had to set them up using "Express Setup", which I absolutly hate from my limited use of it. I ...

Cisco has pushed out patches for three virtual appliances that shipped with default Secure Shell (SSH) encryption key vulnerabilities, which pose a risk of a hacker decrypting traffic with the keys.

Most IT pros know that using Telnet to manage routers, switches, and firewalls is not exactly a security best practice. Instead, the accepted alternative to Telnet's lack of security is Secure Shell ...

Many Cisco security appliances contain default, authorized SSH keys that can allow an attacker to connect to an appliance and take almost any action he chooses. Many Cisco security appliances contain ...

Secure Shell (SSH) is a tool I use daily. On my local area network (LAN), I have several Linux desktops and servers I need to access at any given moment, some of which do not have graphical user ...

SSH, or Secure Shell, is a cryptographic network protocol for operating network services securely over an unsecured network. It's a vital part of modern server management, providing secure remote ...

SSH is a tool I use every single day to log into remote Linux servers and take care of my admin tasks. Without SSH, my days would be more complicated and less secure. That doesn’t mean, however, that ...