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Proxy Protocol を有効にすると、送信元 IP アドレス、送信先 IP アドレス、ポート番号などの接続情報が含まれる、人間が読んで理解できるヘッダーがリクエストヘッダーに追加されます。これにより、ヘッダーがリクエストの一部としてバックエンドインスタンスに送信されます。
- ELBとアプリケーション両方がproxy protocolの有効化が必要
- 両方の切替時にサービス断が発生するので注意
aws elb describe-load-balancer-policies --query "PolicyDescriptions[].{PolicyName:PolicyName}" [ { "PolicyName": "ELBSecurityPolicy-2014-10" }, { "PolicyName": "ELBSecurityPolicy-2014-01" }, { "PolicyName": "ELBSecurityPolicy-2011-08" }, { "PolicyName": "ELBSample-ELBDefaultNegotiationPolicy" }, { "PolicyName": "ELBSample-OpenSSLDefaultNegotiationPolicy" } ]
aws elb describe-load-balancers --query "LoadBalancerDescriptions[].{LoadBalancerName:LoadBalancerName,Policies:Policies.OtherPolicies}" [ { "Policies": [ "ELBSecurityPolicy-2014-01" ], "LoadBalancerName": "example-lb" }, ... ]
AWS_PROFILE=default; for region in $(aws --profile $AWS_PROFILE ec2 describe-regions --query "Regions[].[RegionName]" --output text); do \ echo "---- $region"; aws --profile $AWS_PROFILE --region $region elb describe-load-balancers --query "LoadBalancerDescriptions[].{LoadBalancerName:LoadBalancerName,Policies:Policies.OtherPolicies}"; \ done > $AWS_PROFILE.elb.$(date +%Y%m%d-%H%M%S).log
aws elb create-load-balancer-policy --load-balancer-name example-lb --policy-name ref-ELBSecurityPolicy-2014-10 --policy-type-name SSLNegotiationPolicyType --policy-attributes AttributeName=Reference-Security-Policy,AttributeValue=ELBSecurityPolicy-2014-10 aws elb set-load-balancer-policies-of-listener --load-balancer-name example-lb --load-balancer-port 443 --policy-names ref-ELBSecurityPolicy-2014-10
aws elb delete-load-balancer-policy --load-balancer-name example-lb --policy-name AWSConsole-SSLNegotiationPolicy-example-lb-123456789
ELB_NAMES=(my-elb-01 my-elb-02) ELB_POLICY=ELBSecurityPolicy-2014-10 AWS_PROFILE=default AWS_REGION=ap-northeast-1 for elb_name in "${ELB_NAMES[@]}"; do \ aws --profile $AWS_PROFILE --region $AWS_REGION elb create-load-balancer-policy --load-balancer-name $elb_name --policy-name ref-${ELB_POLICY} --policy-type-name SSLNegotiationPolicyType --policy-attributes AttributeName=Reference-Security-Policy,AttributeValue=$ELB_POLICY ; \ sleep 10; \ aws --profile $AWS_PROFILE --region $AWS_REGION elb set-load-balancer-policies-of-listener --load-balancer-name $elb_name --load-balancer-port 443 --policy-names ref-${ELB_POLICY} done
Cross-Zone Load Balancing: Enabledにした方が良い。
デフォルトはDisabled:
elb-create-lb test-lb \ --availability-zones ap-northeast-1a,ap-northeast-1b \ --listener "protocol=HTTP, lb-port=80, instance-port=80" \ --listener "protocol=HTTPS, lb-port=443, instance-port=80, cert-id=arn:aws:iam::ACCOUNT_NO:server-certificate/SSL-NAME"
elb-create-lb test-lb \ --availability-zones ap-northeast-1a,ap-northeast-1b \ --listener "protocol=HTTP, lb-port=80, instance-port=80" \ --listener "protocol=TCP, lb-port=443, instance-port=443"
# httpのみ許可 ec2-authorize test-sg -P tcp -p 80 -o amazon-elb-sg -u amazon-elb # 全許可 ec2-authorize test-sg -o amazon-elb-sg -u amazon-elb
cat >> ec2_add_group.sh << 'EOS' #!/bin/bash # # Amazon EC2 セキュリティグループ作成 # # ./ec2_add_group.sh # # $Id: 4D656D6F2F416D617A6F6E57656253657276696365732F454C42.txt 2470 2018-08-17 15:16:52Z dex $ # include conf # define vars NAME=$1 DESC=$2 if [ "$NAME" == "" ]; then echo "Error : Input [Security Group Name] [Description]" exit 1 fi # add Security Groups add_security_groups() { # Home > Your Account > Account Activity の右上にある「Account Number xxxx-xxxx-xxxx」のハイフンを除外した数字 ACCOUNT_NO=`ec2dgrp | grep GROUP | grep "default[[:space:]]default" | cut -f3` if [ "$ACCOUNT_NO" == "" ]; then echo "AWS ACCOUNT NO Not found." 1>&2 return 1 fi # -o [$NAME] # -u [$ACCOUNT_NO] # グループ作成 ec2-add-group "$NAME" -d "$DESC" # default ec2-authorize "$NAME" -P tcp -p 22 -s 0.0.0.0/0 # ping # ec2-authorize "$NAME" -P icmp -t -1:-1 -s 0.0.0.0/0 # 確認 ec2-describe-group | grep "$NAME" return 0 } add_security_groups # vim: ts=4:sw=4:tw=80 EOS
bash ec2_add_group.sh test-sg test-sgLB_NAME=test-lb elb-create-lb $LB_NAME \ --availability-zones ap-northeast-1a,ap-northeast-1b \ --listener "protocol=HTTP, lb-port=80, instance-port=80" \ --listener "protocol=TCP, lb-port=443, instance-port=443" DNS_NAME test-lb-274673121.ap-northeast-1.elb.amazonaws.com
AZ=ap-northeast-1a HOST=test-ec2 SG=test-sg ec2-run-instances \ ami-786fdd79 \ -g $SG \ -z $AZ \ -k test-key \ -t t1.micro \ -b "/dev/sdb=ephemeral0" \ -b "/dev/sdc=ephemeral1" ec2-create-tags i-9bf6e99b --tag "Name=$HOST"
ssh -i test-key.pem root@ec2-54-248-59-203.ap-northeast-1.compute.amazonaws.com yum install httpd -y yum -y install gcc httpd-devel cd /tmp/ git clone https://github.com/ttkzw/mod_rpaf-0.6.git cd mod_rpaf-0.6/ make make install cp mod_rpaf.conf /etc/httpd/conf.d/rpaf.conf vi /etc/httpd/conf.d/rpaf.conf ---- RPAFenable On RPAFsethostname Off RPAFproxy_ips 127.0.0.1 10. ---- service httpd restart service iptables stop chkconfig iptables off
elb-register-instances-with-lb $LB_NAME \ --instances i-9bf6e99b INSTANCE_ID i-9bf6e99b
yum -y install php php-mbstring vi /etc/php.ini ---- date.timezone = "Asia/Tokyo" ---- service httpd restart cd /var/www/html cat >> index.php << 'EOS' <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <pre> <?php var_export(getallheaders()); ?> </pre> </body> </html> EOS
ec2-authorize test-sg -P tcp -p 80 # アクセスを確認したら削除 ec2-revoke test-sg -P tcp -p 80
# httpのみ許可 ec2-authorize test-sg -P tcp -p 80 -o amazon-elb-sg -u amazon-elb # 全許可 ec2-authorize test-sg -o amazon-elb-sg -u amazon-elb
tail -f /var/log/httpd/access_log
# ELBから外す elb-deregister-instances-from-lb test-lb --instances i-9bf6e99b # EC2インスタンス削除 ec2-terminate-instances i-9bf6e99b # ELB削除 elb-delete-lb test-lb # セキュリティグループ削除 ec2-delete-group test-sg
