Nagios Web UI: vshell

http://140.111.74.38/blog/post/2/608

如何強制關閉TIME_WAIT狀態的socket

Reference
http://serverfault.com/questions/329845/how-to-forcibly-close-a-socket-in-time-wait

SSH Tunneling(a.k.a SSH Port Forwarding)

Port forwarding, or tunneling, is a way to forward otherwise insecure TCP traffic through SSH Secure Shell. You can secure for example POP3, SMTP and HTTP connections that would otherwise be insecure.

Local Tunneling

Remote Tunneling

VLAN的類型

• port-based VLAN
• MAC-based VLAN
• IP subnet-based VLAN
• Layer-3-based VLAN
• Rule-based VLAN