Which EC2 instances are reachable via SSH from the internet?
list-ec-instances-all-regions-1 · the answer aws-bench grades against: 2 — one only through its launch template
Below is what each tool's agent actually ran. The scores say which tools answered. This says how, and the how is where they differ most.
chant — answered
3 commands, from chant-i3.
cd /workspace/chant && chant search "kind:EC2::Instance attr:region=us-east-1" --at latest --env floci --show InstanceId,PublicIpAddress,PrivateIpAddress,effectiveIngress,internetFacing --explain
cd /workspace/chant && chant search "kind:EC2::Instance attr:region=us-west-1" --at latest --env floci --show InstanceId,PublicIpAddress,PrivateIpAddress,effectiveIngress,internetFacing --explain
cd /workspace/chant && chant search "kind:EC2::Instance attr:region=us-west-2" --at latest --env floci --show InstanceId,PublicIpAddress,PrivateIpAddress,effectiveIngress,internetFacing --explain
No tool (AWS CLI) — missed
14 commands, from bare-i3.
aws ec2 describe-instances --region us-east-1 --output json --query 'Reservations[].Instances[].{InstanceId:InstanceId,State:State.Name,PrivateIP:PrivateIpAddress,SecurityGroups:SecurityGroups[].GroupId,LaunchTemplate:LaunchTemplate}'
aws ec2 describe-instances --region us-west-1 --output json --query 'Reservations[].Instances[].{InstanceId:InstanceId,State:State.Name,PrivateIP:PrivateIpAddress,SecurityGroups:SecurityGroups[].GroupId,LaunchTemplate:LaunchTemplate}'
aws ec2 describe-instances --region us-west-2 --output json --query 'Reservations[].Instances[].{InstanceId:InstanceId,State:State.Name,PrivateIP:PrivateIpAddress,SecurityGroups:SecurityGroups[].GroupId,LaunchTemplate:LaunchTemplate}'
aws ec2 describe-security-groups --region us-east-1 --output json --query 'SecurityGroups[]' | jq '.[] | {GroupId:.GroupId, GroupName:.GroupName, IpPermissions:.IpPermissions[]}'
aws ec2 describe-security-groups --region us-west-1 --output json --query 'SecurityGroups[]' | jq '.[] | {GroupId:.GroupId, GroupName:.GroupName, IpPermissions:.IpPermissions[]}'
aws ec2 describe-security-groups --region us-west-2 --output json --query 'SecurityGroups[]' | jq '.[] | {GroupId:.GroupId, GroupName:.GroupName, IpPermissions:.IpPermissions[]}'
aws ec2 describe-security-groups --region us-east-1 --output json | jq '.SecurityGroups[] | select(.IpPermissions[]? | select(.FromPort == 22 or .FromPort == null)) | {GroupId, GroupName, IpPermissions: [.IpPermissions[] | select(.FromPort == 22 or .FromPort == null)]}'
aws ec2 describe-security-groups --region us-east-1 --output json | jq '.SecurityGroups[] | {GroupId, GroupName, IpPermissions}' | grep -A 50 "sg-default"
aws ec2 describe-security-groups --region us-west-1 --output json | jq '.SecurityGroups[] | {GroupId, GroupName, IpPermissions: [.IpPermissions[] | select(.FromPort == 22)]}'
aws ec2 describe-security-groups --region us-west-2 --output json | jq '.SecurityGroups[] | {GroupId, GroupName, IpPermissions: [.IpPermissions[] | select(.FromPort == 22)]}'
aws ec2 describe-instances --region us-east-1 --output json | jq '.Reservations[].Instances[] | {InstanceId, State: .State.Name, PrivateIP: .PrivateIpAddress, PublicIP: .PublicIpAddress, SecurityGroups: [.SecurityGroups[].GroupId], SubnetId}'
aws ec2 describe-instances --region us-west-1 --output json | jq '.Reservations[].Instances[] | {InstanceId, State: .State.Name, PrivateIP: .PrivateIpAddress, PublicIP: .PublicIpAddress, SecurityGroups: [.SecurityGroups[].GroupId], SubnetId}'
# … 2 more
Terraform — answered
12 commands, from terraform-i3.
cd /workspace/terraform && ./terraform show -json | jq '.' | head -100
cd /workspace/terraform && ./terraform state list | grep -E 'aws_instance|aws_security_group|aws_launch_template'
cd /workspace/terraform && ./terraform show -json > /tmp/state.json && cat /tmp/state.json | jq '.values.root_module | walk(if type == "object" and .address then .address else . end) | .' > /tmp/filtered.json 2>&1 || true
cd /workspace/terraform && for instance in module.primary.aws_instance.default_vpc_server module.primary.aws_instance.launch_template_server module.primary.aws_instance.private_server module.primary.aws_instance.web_server module.west1.aws_instance.server module.west2.aws_instance.server; do echo "=== $instance ===" && ./terraform state show "$instance" 2>&1 | head -30; done
cd /workspace/terraform && for instance in module.primary.aws_instance.default_vpc_server module.primary.aws_instance.launch_template_server module.primary.aws_instance.private_server module.primary.aws_instance.web_server module.west1.aws_instance.server module.west2.aws_instance.server; do echo "=== $instance ===" && ./terraform state show "$instance" 2>&1 | grep -E 'vpc_security_group_ids|launch_template|security_groups'; done
cd /workspace/terraform && ./terraform show -json | jq '.values.root_module.resources[] | select(.type == "aws_instance") | {address, region: .values.availability_zone, vpc_security_group_ids: .values.vpc_security_group_ids, launch_template: .values.launch_template}'
cd /workspace/terraform && ./terraform show -json 2>&1 | jq '.values.root_module.resources[] | select(.type == "aws_instance")' | head -200
find /workspace/terraform/modules -type f -name "*.tf" | head -20
cd /workspace/terraform && cat terraform.tfstate | jq '.resources[] | select(.type == "aws_instance") | {address: .address, id: .instances[0].attributes.id, region: .instances[0].attributes.availability_zone, vpc_sg_ids: .instances[0].attributes.vpc_security_group_ids, launch_template: .instances[0].attributes.launch_template}' 2>/dev/null
cd /workspace/terraform && cat terraform.tfstate | jq '.resources[] | select(.type == "aws_security_group") | {address: .address, id: .instances[0].attributes.id, name: .instances[0].attributes.name, vpc_id: .instances[0].attributes.vpc_id, ingress: .instances[0].attributes.ingress}' 2>/dev/null
cd /workspace/terraform && cat terraform.tfstate | jq '.resources[] | select(.type == "aws_instance") | {name: .name, address: .address, id: .instances[0].attributes.id, region: .instances[0].attributes.availability_zone, vpc_sg_ids: .instances[0].attributes.vpc_security_group_ids}' 2>/dev/null
cat > /logs/agent/agent-output.txt << 'EOF' # EC2 Instances Reachable via SSH from the Internet ## Summary **2 EC2 instances** in your account can be reached via SSH from the internet (0.0.0.0/0). Both instances are in **us-east-1** and have: - Public subnet with internet gateway access - Security group "web" explicitly allowing SSH (port 22) from 0.0.0.0/0 --- ## Reachable Instances ### 1. web_server - **Instance ID**: i-095e44048f818a9e4 - **Region**: us-east-1 (availability zone: us-east-1a) - **Security Group**: sg-022d4d794a4101cde (web-ec2-multiregion-EC2-ks84v1fh12-us-east-1) - **Subnet**: Public (10.0.0.0/24) - **SSH Reachable**: ✓ YES - Security group allows inbound TCP port 22 from 0.0.0.0/0 - Instance is in public subnet with internet gateway route ### 2. launch_template_server - **Instance ID**: i-6fa3bd3c07634c798 - **Region**: us-east-1 (availability zone: us-east-1a) - **Security Group**: sg-022d4d794a4101cde (web-ec2-multiregion-EC2-ks84v1fh12-us-east-1) - **Subnet**: Public (10.0.0.0/24) - **Launch Template**: lt-*-us-east-1 (carries the web security group) - **SSH Reachable**: ✓ YES - Security group (from launch template) allows inbound TCP port 22 from 0.0.0.0/0 - Instance is in public subnet with internet gateway route --- ## Non-Reachable Instances ### us-east-1: - **private_server** (i-d8ef827f5dda6234c) - Region: us-east-1a - Security Group: sg-default (default VPC security group - no ingress rules) - Subnet: Private (10.0.1.0/24, no internet gateway route) - Why: Private subnet + default SG with no SSH rules - **default_vpc_server** (i-e82af08ce4d96ff71) - Region: us-east-1c - Security Group: sg-default (default VPC security group - no ingress rules) - Subnet: Default VPC (internet-facing but no SSH rule) - Why: Default security group has no ingress rules allowing port 22 ### us-west-1: - **server** (i-b5e9cf33ff57563a6) - Region: us-west-1a - Security Group: sg-default (default VPC security group - no ingress rules) - Subnet: Public (10.0.0.0/24) - Why: Default security group has no ingress rules allowing port 22 ### us-west-2: - **server** (i-8e35dce768d2d11f1) - Region: us-west-2a - Security Group: sg-default (default VPC security group - no ingress rules) - Subnet: Public (10.0.0.0/24) - Why: Default security group has no ingress rules allowing port 22 --- ## Security Group Configuration ### web (sg-022d4d794a4101cde) - **VPC**: Custom VPC (10.0.0.0/16) - **Ingress Rules**: - SSH: TCP port 22 from 0.0.0.0/0 ⚠️ - HTTP: TCP port 80 from 0.0.0.0/0 - HTTPS: TCP port 443 from 0.0.0.0/0 ### default (sg-default) - **Ingress Rules**: None (no explicit rules) - **Attached to**: default_vpc_server, private_server, west1 server, west2 server --- ## Source Analysis based on Terraform applied state (/workspace/terraform/terraform.tfstate). All instances in the specified regions (us-east-1, us-west-1, us-west-2) have been evaluated. EOF cat /logs/agent/agent-output.txt
Pulumi — answered
11 commands, from pulumi-i3.
cd /workspace/pulumi && ./pulumi-export > /tmp/pulumi-state.json 2>&1 && echo "Export completed successfully" || echo "Export failed"
cd /workspace/pulumi && cat /tmp/pulumi-state.json | jq '.deployment.resources[] | select(.type == "aws:ec2/instance:Instance") | {urn, outputs: {instance_id: .outputs.id, availability_zone: .outputs.availabilityZone, subnet_id: .outputs.subnetId, security_groups: .outputs.securityGroups, vpc_security_group_ids: .outputs.vpcSecurityGroupIds}, inputs: {security_groups: .inputs.securityGroups, vpc_security_group_ids: .inputs.vpcSecurityGroupIds, subnet_id: .inputs.subnetId}}' | head -200
cd /workspace/pulumi && cat /tmp/pulumi-state.json | jq '.deployment.resources[] | select(.type == "aws:ec2/securityGroup:SecurityGroup") | {urn, sg_id: .outputs.id, sg_name: .outputs.name, ingress_rules: .outputs.ingress}'
cd /workspace/pulumi && cat /tmp/pulumi-state.json | jq '.deployment.resources[] | select(.type == "aws:ec2/launchTemplate:LaunchTemplate") | {urn, template_name: .outputs.name, security_groups: .outputs.securityGroupNames, vpc_security_group_ids: .outputs.vpcSecurityGroupIds}'
cd /workspace/pulumi && cat /tmp/pulumi-state.json | jq '.deployment.resources[] | select(.type == "aws:ec2/instance:Instance") | {name: .urn, launch_template: .outputs.launchTemplate}'
cd /workspace/pulumi && cat /tmp/pulumi-state.json | jq '.deployment.resources[] | select(.type == "aws:ec2/instance:Instance") | {name: .urn, launch_template_id: .inputs.launchTemplate}'
cd /workspace/pulumi && cat /tmp/pulumi-state.json | jq '.deployment.resources[] | select(.sg_id or .id | select(. == "sg-default" or startswith("sg-"))) | select(.type | contains("SecurityGroup")) | {urn, sg_id: .outputs.id, sg_name: .outputs.name, ingress_rules: .outputs.ingress}'
cd /workspace/pulumi && cat /tmp/pulumi-state.json | jq '.deployment.resources[] | select(.type == "aws:ec2/securityGroup:SecurityGroup" or .type == "aws:ec2/defaultSecurityGroup:DefaultSecurityGroup") | {urn, outputs: {sg_id: .outputs.id, sg_name: .outputs.name, ingress_rules: .outputs.ingress}}'
cd /workspace/pulumi && cat /tmp/pulumi-state.json | jq '.deployment.resources[] | select(.type == "aws:ec2/instance:Instance") | {instance_name: (.urn | split("::")[3]), instance_id: .outputs.id, region: (.outputs.availabilityZone | .[:-1]), subnet_id: .outputs.subnetId, vpc_security_group_ids: .outputs.vpcSecurityGroupIds, launch_template: .inputs.launchTemplate}'
cd /workspace/pulumi && cat /tmp/pulumi-state.json | jq '.deployment.resources[] | select(.type == "aws:ec2/subnet:Subnet") | {subnet_id: .outputs.id, cidr_block: .outputs.cidrBlock, vpc_id: .outputs.vpcId, map_public_ip_on_launch: .outputs.mapPublicIpOnLaunch}' | head -50
cd /workspace/pulumi && cat /tmp/pulumi-state.json | jq '.deployment.resources[] | select(.outputs.id == "sg-default") | {urn, type, ingress: .outputs.ingress}'
AWS CDK — missed
16 commands, from cdk-i1.
cd /workspace/cdk_app && npx cdk ls
cd /workspace/cdk_app && npx cdk synth ec2-multiregion-QARoles-us-east-1 --json 2>/dev/null | head -100
cd /workspace/cdk_app && npx cdk synth ec2-multiregion-EC2-ks84v1fh12-us-east-1 --json 2>/dev/null | head -100
cd /workspace/cdk_app && npx cdk synth ec2-multiregion-EC2-ls9fuhb522-us-west-1 --json 2>/dev/null | head -100
cd /workspace/cdk_app && npx cdk synth ec2-multiregion-EC2-ls9fuhb522-us-west-2 --json 2>/dev/null | head -100
cd /workspace/cdk_app && npx cdk synth ec2-multiregion-EC2-ks84v1fh12-us-east-1 --json 2>/dev/null > /tmp/east1.json
cd /workspace/cdk_app && npx cdk synth ec2-multiregion-EC2-ls9fuhb522-us-west-1 --json 2>/dev/null > /tmp/west1.json
cd /workspace/cdk_app && npx cdk synth ec2-multiregion-EC2-ls9fuhb522-us-west-2 --json 2>/dev/null > /tmp/west2.json
cat /tmp/east1.json | jq '.Resources | keys[] | select(. | test("Instance|SecurityGroup"))' | head -20
cat /tmp/west1.json | jq '.Resources | keys[] | select(. | test("Instance|SecurityGroup"))' | head -20
cat /tmp/west2.json | jq '.Resources | keys[] | select(. | test("Instance|SecurityGroup"))' | head -20
cat > /tmp/analyze.sh << 'EOF' #!/bin/bash analyze_region() { local template_file=$1 local region=$2 echo "=== Region: $region ===" # Extract all EC2 instances local instances=$(jq -r '.Resources | to_entries[] | select(.value.Type == "AWS::EC2::Instance") | .key' "$template_file") if [ -z "$instances" ]; then echo "No EC2 instances found" return fi for instance in $instances; do echo "" echo "Instance: $instance" # Get instance details local instance_json=$(jq ".Resources[\"$instance\"]" "$template_file") # Get security groups directly attached local direct_sgs=$(echo "$instance_json" | jq -r '.Properties.SecurityGroupIds[]? // .Properties.SecurityGroups[]?' 2>/dev/null | tr '\n' ' ') # Get launch template if exists local launch_template=$(echo "$instance_json" | jq -r '.Properties.LaunchTemplate // .Properties.LaunchTemplateId // empty' "$template_file" 2>/dev/null) if [ -n "$launch_template" ]; then # If it's a ref, resolve it if echo "$launch_template" | grep -q "Ref"; then local lt_logical_id=$(echo "$launch_template" | jq -r '.Ref' 2>/dev/null) # Get the launch template's security groups local lt_json=$(jq ".Resources[\"$lt_logical_id\"]" "$template_file" 2>/dev/null) local lt_sgs=$(echo "$lt_json" | jq -r '.Properties.LaunchTemplateData.SecurityGroupIds[]? // .Properties.LaunchTemplateData.SecurityGroups[]?' 2>/dev/null | tr '\n' ' ') echo " Launch Template: $lt_logical_id" if [ -n "$lt_sgs" ]; then echo " Security Groups from LT: $lt_sgs" fi fi fi if [ -n "$direct_sgs" ]; then echo " Direct Security Groups: $direct_sgs" fi # Get all security groups (resolve refs) echo " Security Group Details:" # Combine direct SGs and LT SGs local all_sg_refs=$(echo "$instance_json" | jq -r '.Properties.SecurityGroupIds[]? // .Properties.SecurityGroups[]? // empty' 2>/dev/null) if [ -z "$all_sg_refs" ]; then # Try from launch template local lt_logical_id=$(echo "$instance_json" | jq -r '.Properties.LaunchTemplate.Ref // .Properties.LaunchTemplateId // empty' 2>/dev/null) if [ -n "$lt_logical_id" ] && [ "$lt_logical_id" != "null" ]; then local lt_json=$(jq ".Resources[\"$lt_logical_id\"]" "$template_file" 2>/dev/null) all_sg_refs=$(echo "$lt_json" | jq -r '.Properties.LaunchTemplateData.SecurityGroupIds[]? // empty' 2>/dev/null) fi fi # Check each security group for SSH access from internet if [ -n "$all_sg_refs" ]; then for sg_ref in $all_sg_refs; do # Handle Ref() format if [[ "$sg_ref" == *"Ref"* ]]; then sg_logical_id=$(echo "$sg_ref" | jq -r '.Ref' 2>/dev/null) else sg_logical_id="$sg_ref" fi if [ -n "$sg_logical_id" ] && [ "$sg_logical_id" != "null" ]; then check_sg_for_ssh "$template_file" "$sg_logical_id" fi done fi done echo "" } check_sg_for_ssh() { local template_file=$1 local sg_logical_id=$2 local sg_json=$(jq ".Resources[\"$sg_logical_id\"]" "$template_file" 2>/dev/null) if [ "$sg_json" == "null" ] || [ -z "$sg_json" ]; then return fi # Check for SSH rules (port 22) local ssh_rules=$(echo "$sg_json" | jq '.Properties.SecurityGroupIngress[]? | select(.FromPort == 22 or .IpProtocol == "-1")' 2>/dev/null) if [ -n "$ssh_rules" ]; then local has_internet_ssh=$(echo "$sg_json" | jq '.Properties.SecurityGroupIngress[]? | select((.FromPort == 22 or .IpProtocol == "-1") and (.CidrIp == "0.0.0.0/0" or .CidrIpv6 == "::/0"))' 2>/dev/null) if [ -n "$has_internet_ssh" ]; then echo " ✓ $sg_logical_id ALLOWS SSH from internet (0.0.0.0/0)" echo "$has_internet_ssh" | jq '.' 2>/dev/null fi fi } analyze_region /tmp/east1.json "us-east-1" analyze_region /tmp/west1.json "us-west-1" analyze_region /tmp/west2.json "us-west-2" EOF chmod +x /tmp/analyze.sh /tmp/analyze.sh
# … 4 more
Alchemy — answered
26 commands, from alchemy-i3.
cd /workspace/alchemy && alchemy state list | grep -i instance
cd /workspace/alchemy && alchemy state list
cd /workspace/alchemy && for resource in instance defaultVpcServer ltServer privateServer usw1-server usw2-server webServer web-ssh; do echo "=== $resource ===" alchemy state get "alchemy-ec2-multiregion/bench/$resource" 2>/dev/null | jq '.kind, .output | {region, instance_id: .id, security_groups, launch_template}' done
cd /workspace/alchemy && alchemy state get "alchemy-ec2-multiregion/bench/instance" | head -50
cd /workspace/alchemy && alchemy state get "alchemy-ec2-multiregion/bench/webServer" 2>&1 | jq '.kind'
cd /workspace/alchemy && alchemy state list | xargs -I {} bash -c 'alchemy state get "{}" 2>/dev/null | jq -r "select(.kind == \"AWS::EC2::Instance\") | .fqn" 2>/dev/null' | sort
cd /workspace/alchemy && for inst in defaultVpcServer ltServer privateServer usw1-server usw2-server webServer; do alchemy state get "alchemy-ec2-multiregion/bench/$inst" 2>/dev/null | jq '{name: .id, region: .output.region, instance_id: .output.instanceId, security_groups: .output.securityGroups, launch_template: .output.launchTemplate}' done
cd /workspace/alchemy && alchemy state get "alchemy-ec2-multiregion/bench/webServer" | jq '.output | keys' | head -30
cd /workspace/alchemy && for inst in defaultVpcServer ltServer privateServer usw1-server usw2-server webServer; do alchemy state get "alchemy-ec2-multiregion/bench/$inst" 2>/dev/null | jq '{name: .id, region: .output.region, instance_id: .output.InstanceId, security_group_ids: .output.SecurityGroupIds}' done
cd /workspace/alchemy && alchemy state list | xargs -I {} bash -c 'alchemy state get "{}" 2>/dev/null | jq -r "select(.kind == \"AWS::EC2::SecurityGroup\" or .kind == \"AWS::EC2::SecurityGroupIngress\") | .fqn" 2>/dev/null' | sort
cd /workspace/alchemy && alchemy state list | xargs -I {} bash -c 'alchemy state get "{}" 2>/dev/null | jq -r ".kind" 2>/dev/null' | sort | uniq
cd /workspace/alchemy && alchemy state list | xargs -I {} bash -c 'alchemy state get "{}" 2>/dev/null | jq -r "select(.kind == \"aws::SecurityGroup\" or .kind == \"aws::SecurityGroupRule\") | .fqn" 2>/dev/null'
# … 14 more
Alchemy v2 (Effect) — answered
11 commands, from alchemy-effect-i3.
cd /workspace/alchemy && alchemy state export us-west-1.run.ts --local 2>&1 | head -100
cd /workspace/alchemy && alchemy state export us-west-1.run.ts --local > /tmp/alchemy-state.json 2>&1
cd /workspace/alchemy && cat /tmp/alchemy-state.json | jq '.resources[] | select(.state.resourceType == "AWS.EC2.Instance") | {fqn: .fqn, stack: .stack, instanceId: .state.attr.instanceId, instanceType: .state.attr.instanceType, publicIp: .state.attr.publicIpAddress, securityGroupIds: .state.attr.securityGroupIds, launchTemplate: .state.props.launchTemplate}'
cd /workspace/alchemy && cat /tmp/alchemy-state.json | jq '.resources[] | select(.state.resourceType == "AWS.EC2.SecurityGroup") | {fqn: .fqn, stack: .stack, groupId: .state.attr.groupId, groupName: .state.attr.groupName, ingressRules: .state.attr.ingressRules}'
cd /workspace/alchemy && cat /tmp/alchemy-state.json | jq '.resources[] | select(.state.resourceType == "AWS.EC2.SecurityGroup" and .state.attr.groupId == "sg-default") | {fqn: .fqn, stack: .stack, groupId: .state.attr.groupId, groupName: .state.attr.groupName, ingressRules: .state.attr.ingressRules}'
cd /workspace/alchemy && cat /tmp/alchemy-state.json | jq '.resources[] | select(.state.resourceType == "AWS.EC2.SecurityGroup") | .state.attr.groupId'
cd /workspace/alchemy && cat /tmp/alchemy-state.json | jq '.resources[] | select(.state.resourceType == "AWS.EC2.SecurityGroup" or .state.resourceType == "AWS.EC2.Instance") | {type: .state.resourceType, fqn: .fqn, stack: .stack, id: (if .state.resourceType == "AWS.EC2.SecurityGroup" then .state.attr.groupId else .state.attr.instanceId end), name: (if .state.resourceType == "AWS.EC2.SecurityGroup" then .state.attr.groupName else .state.props.tags.Name end)}' | head -50
cd /workspace/alchemy && cat /tmp/alchemy-state.json | jq '.resources[] | select(.state.resourceType == "AWS.EC2.LaunchTemplate") | {fqn: .fqn, stack: .stack, launchTemplateId: .state.attr.launchTemplateId, securityGroupIds: .state.attr.securityGroupIds}'
cd /workspace/alchemy && cat /tmp/alchemy-state.json | jq '.resources[] | select(.fqn == "LaunchTemplateServer")'
cd /workspace/alchemy && cat /tmp/alchemy-state.json | jq '.resources[] | select(.state.resourceType == "AWS.AutoScaling.LaunchTemplate")'
cat > /logs/agent/agent-output.txt << 'EOF' EC2 INSTANCES REACHABLE VIA SSH FROM THE INTERNET ================================================== Analysis of AWS estate across us-east-1, us-west-1, and us-west-2: FINDINGS: --------- Two EC2 instances are reachable via SSH from the internet: 1. WebServer (us-east-1) - Instance ID: i-a99e3ced39782a9b7 - Public IP: 54.144.97.57 - Security Group: sg-e96a3de38f47ffd0a (WebSecurityGroup) - SSH Access: Allowed from 0.0.0.0/0 (port 22) - Reason: WebSecurityGroup explicitly allows SSH from internet 2. LaunchTemplateServer (us-east-1) - Instance ID: i-d23304a8c14237368 - Public IP: 54.144.56.135 - Security Group: sg-e96a3de38f47ffd0a (via launch template) - SSH Access: Allowed from 0.0.0.0/0 (port 22) - Reason: Launch template specifies WebSecurityGroup with SSH from internet INSTANCES NOT SSH-REACHABLE FROM INTERNET: ------------------------------------------- 1. DefaultVpcServer (us-east-1) - Instance ID: i-3083b183007a76750 - Public IP: 54.144.131.18 - Security Group: sg-default (AWS default VPC security group) - SSH Access: NOT allowed from internet - Reason: Default security group only allows traffic within VPC 2. PrivateServer (us-east-1) - Instance ID: i-382f0ba0f1fe8b0d1 - Public IP: None (private subnet, no public IP) - Security Group: sg-default - SSH Access: NOT reachable from internet - Reason: No public IP address 3. WebServer (us-west-1) - Instance ID: i-c19938fde4d3088ab - Public IP: 54.144.30.68 - Security Group: sg-default - SSH Access: NOT allowed from internet - Reason: Default security group does not allow internet SSH 4. WebServer (us-west-2) - Instance ID: i-3e4d5fe856efabc43 - Public IP: 54.144.53.91 - Security Group: sg-default - SSH Access: NOT allowed from internet - Reason: Default security group does not allow internet SSH SUMMARY: -------- Total instances: 6 SSH-reachable from internet: 2 EOF cat /logs/agent/agent-output.txt