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→INVESTIGATION 3: Configuring Your AWS Firewall
= INVESTIGATION 3: Configuring Your AWS Firewall =
[[Image:Ops705_lab4_fig2.png|thumb|right|500px|Figure 2. The ''Security groups'' section of the EC2 Instance details page.]]
In the previous investigation, you configured your VM's internal firewall at the OS level. Here, you'll configure AWS (cloud level) to let web traffic through.
# In the Linux VM's EC2 Instance summary page, click the '''Security''' tab. Under ''Inbound rules'', you should see a single entry on port 22 for SSH.
# On this page, look for the ''Security groups'' section and the blue link. Click this link. (See ''Fig. 42'')
# You are now in the Security Group. We'll spend more time with this in a later lab. For now, click on '''Edit inbound rules'''.
# In the new ''Edit inbound rules'' page, click the '''Add rule''' button near the bottom left.
