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OPS345 Lab 2

Revision as of 21:34, 15 September 2021 by Andrew (talk | contribs) (AWS Networking)

THIS PAGE IS A DRAFT, NOT A REAL COURSE PAGE

The current schedule for OPS345 is here: OPS335_Weekly_Schedule

AWS Networking

  • VPCs, subnets, private IPs, public IPs
  • VPC dashboard:
    • New VPC vpc-ops345 with CIDR block 10.3.45.0/24, no IPv6
    • Subnets: create a new one in vpc-ops345 named subnet-ops345, in us-east-1a, 10.3.45.0/24 (to fit inside the VPC)
    • Edit subnet, enable auto-assign public IPv4 addresses
  • Create a new VM named "router", in the new vpc/subnet.
    • Follow the instructions in lab 1, except create a new key called ops345-allmachines-key

Firewalls

  • The purpose of a firewall on a server on the internet
  • AWS Security Groups and iptables

IPtables setup

  • iptables setup and troubleshooting, nmap
  • iptables fundamentals
  • Securing services that need to be publicly accessible

Port forwarding SSH

  • Port forwarding SSH