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To insert a rewrite rule in to a web.config for deployment purposes you need to modify Web.Release.Config Example <system.webServer> <rewrite xdt:Transform=”Insert”> <outboundRules> <rule name=”Add Cross Origin Access”> <match serverVariable=”RESPONSE_Access_Control_Allow_Origin” pattern=”.*” /> <conditions> <add input=”{REQUEST_URI}” pattern=”.*\.(ttf|otf|eot|woff|svg)\?*.*$” /> </conditions> <action type=”Rewrite” value=”*”/> </rule> </outboundRules> </rewrite> </system.webServer> Problem You keep getting Control Allow Origin errors on fonts that are pulling from your CloudFront CDN Solution You need to make changes at CloudFront and your IIS 7 Server CloudFront Changes Modify the origin behaviors: Navigate to the CloudFront Distributions Panel Select your Distribution Click Behaviors Tab Select Behavior from list items Click Edit . . . → Read More: Cloudfront IIS7 CORS Fix Problem IIS 7.5 is holding on to an IP and you cannot get it to listen to the right IP. You might see this error message: The format of the specified network name is invalid – IIS Error 0x800704BE Solution You will need to remove and add the listening ip via netsh (see below) Determine . . . → Read More: iis 7.5 The format of the specified network name is invalid – IIS Error 0x800704BE How to backup your perfmon counters The easiest way to backup your perfmon counters is to use the lodctr tool Lodctr Registers new Performance counter names and Explain text for a service or device driver, and saves and restores counter settings and Explain text. Syntax lodctr [\\ComputerName] FileName [/s:FileName] [/r:FileName] Example lodctr /s:”perf backup1.txt” . . . → Read More: backup perfmon counters Using you Roku at a hotel can be problematic because you are unable to accept the terms of service when using the internet. This post explains how to use a Roku at a Hotel. These instructions can be followed pretty much verbatim for any other device (wii u, xbox, etc). Instructions Go to “Settings”, and . . . → Read More: Howto Use Roku at a Hotel To block countries behind an ELB (Elastic Load Balancer) you should use Maxmind’s GeoIP Country Database. Problem You are unable to use iptables or ipset to block countries because of your Amazon Elastic Load Balancer Solution Use Maxmind’s GeoIP Country Database in conjunction with Apache or NGINX Example This example is for Ubuntu 12.04 (Precise) . . . → Read More: Block Countries Behind ELB Adding Godaddy Cert to EC2 ELB Setup AWS Command Line Interface Setup instructions are found here: http://aws.amazon.com/cli/ Define your files and run these commands: # define these crtdomain=”example.com” crtchain=”gd_bundle.crt” echo “converting to pem format” openssl rsa -in ${crtdomain}.key -out aws-${crtdomain}.key openssl x509 -in ${crtdomain}.crt -out aws-${crtdomain}.crt -outform PEM echo “uploading certificate ${crtdomain} to Amazon” aws . . . → Read More: EC2 ELB Godaddy Cert Description Logstash filters for ssh brute for, sudo auth failures, or failed login attempts Filters grok { type => “syslog” patterns_dir => [“/opt/logstash/patterns”] pattern => [ “%{SYSLOGLINE}” ] } grep { type => “syslog” drop => false match => [ “@message”, “([fF]ailed|[fF]ailure).*password|authentication.*failure|incorrect.password” ] add_tag => [ “auth_failure” ] } grep { type => “syslog” drop . . . → Read More: logstash filters for ssh attempts How to get Logstash to read your ec2 instance id logstash.sh !/bin/bash EC2_INSTANCE_ID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id) export EC2_INSTANCE_ID conf=/opt/logstash/simple.conf lsjar=/opt/logstash/logstash.jar myjava=$(which java) if [ -z $myjava ]; then echo “java is required; please install openjdk or jre” exit 1 fi # spawn logstash $myjava -jar $lsjar agent -f $conf config file /opt/logstash/simple.conf input { exec { . . . → Read More: logstash ec2 instanceid Objective: Set Timezone to UTC on Ubuntu 12.04 LTS Howto You will be using tzdata and ntpdate Setting the timezone After running this select “etc” (hit enter) then select “UTC” (hit enter) pkg-reconfigure tzdata Syncing the clock apt-get -y install ntpdate ntpdate pool.ntp.org Updating crontab to sync clock daily crontab -l > tmp.cron echo “@daily . . . → Read More: Ubuntu Set Timezone to UTC |
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