Thursday, November 6, 2014

Amazon EC2: Authorizing Inbound Traffic for Your Instances

Amazon EC2: Authorizing Inbound Traffic for Your Instances


Adding a Rule for Inbound SSH Traffic to a Linux Instance


  • In the navigation pane of the Amazon EC2 console, click Instances. Select your instance and look at the Description tab; Security groups lists the security groups that are associated with the instance. Click view rules to display a list of the rules that are in effect for the instance.








  • In the navigation pane, click Security Groups. Select one of the security groups associated with your instance.
  • In the details pane, on the Inbound tab, click Edit. In the dialog, click Add Rule, and then select SSH from the Type list.






  • In the Source field, specify the public IP address of your computer, in CIDR notation. For example, if your IP address is 203.0.113.25, specify 203.0.113.25/32 to list this single IP address in CIDR notation. If your company allocates addresses from a range, specify the entire range, such as 203.0.113.0/24.
     Use the url  http://checkip.amazonaws.com/ to find you IP Address



  • Click Save.





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