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From our Azure environment we are calling an external webservice which does IP filtering. We are currently running on two instances of our website and the outgoing IP addresses for those sites have been added to the FW on the external webservice.
If we need to scale out, by adding say 2 more instances, will/is there a risk the new instances get a new outgoing IP?
The website in itself has a fixed public IP (to allow for DNS), but we see that one of the instances gives a different IP, so if we setup autoscaling will we loose complete control (not that we have any) of that?
Please refer to http://social.msdn.microsoft.com/Forums/azure/en-US/fd53afb7-14b8-41ca-bfcb-305bdeea413e/maintenance-notice-upcoming-changes-to-increase-capacity-for-outbound-network-calls?forum=windowsazurewebsitespreview for the list of IP addresses that can be used for outgoing connections from Azure websites.
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I have created an application which I am running on my device with the local IP address. Now what I am trying to do is I want to access it through static IP so that if I am not connected to the same network I can access it through static IP. In turn, I can get this from Google when I type "my static IP" on Google.
Currently my app is running on localhost:8080 or '192.168..:8080' so whoever is connected to same server over same network is able to see that but I want to do it with static IP.
Now you should have to live this app on Heroku or an EC2 instance, then they will provide a public IP address.
So static IP just means an IP address that doesn't change. This can be local (the 192.168.x.x) or public (where you can access it from anywhere). There are some hosting options, and I'd recommend Heroku.
If this is your first time, you'll need to know some things like setting scripts for "postinstall" or setting up your Procfile, so take a look at this guide for deploying.
There are numerous other options as well for deployment with lots of information and tutorials you can Google pretty easily.
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What is the good practice on Azure, always set a Static IP address on network interface or use the dynamic (DHCP) option?
I prefer to use the dynamic IP because it's easier to scale UP and down the virtual machines. But I have a sysadmin coworker and he say me that not a good practice to use the dynamic option.
These virtual machines are behind a load balancer, nobody is using it directly.
Using dynamic IP in this scenario sounds better choice, you can use static IP in below mentioned scenarios,
• When you must update firewall rules to communicate with your Azure resources.
• DNS name resolution, where a change in IP address would require updating A records.
• Your Azure resources communicate with other apps or services that use an IP address-based security model.
• You use SSL certificates linked to an IP address.
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I have on website but this site has no meaning full domain name but have good ranking on internet. I want to make this like this website will be pointed by two different domain names.
please suggest me that how can i do this. please give me easy steps for doing this.
Thanks
Under each of your domains you should have DNS settings so go there and put the same DNS for each domain or you can set DNS for the first on and redirection for the second one.
You can just setup DNS records for both domains to point to the IP of your server.
If you have virtual hosts configured on your server, you may need to create an entry for both domain names.
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I would like to start doing some testing of our SaaS application on our EC2 instance and had some questions on how to test this outside of our local dev environment.
What are some of my options on making this private within EC2 to fully test the wildcard subdomains without making the site live?
Does this make sense?
You can use VPN to make EC2 subnet as part of your private network,Refer amazon document. Then a local DNS maybe needed to map wildcard subdomains or simple edit your host file.
Another suggestion is to only open service to your office's ip , redirect request from other IP to 404 etc.
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How to get the DNS server address which are specific to each ppp session. For example, I have to ppp sessions each one connected different service provider, how do I find out the DNS server IP address which are assigned by each service provider? In general, the /etc/ppp/resolv.conf file will be overwritten with the new DNS IP address whenever a new ppp session is established. Is there any way how we can maintain separate files for DNS servers for each service provider?
ppp comes with scripts to update resolv.conf for you. Look at /etc/ppp/ip-up and /etc/ppp/ip-up.d/0dns-up. The last one has the rules for updating the resolv.conf file. ($DNS1 and $DNS2 variables).
You can add an ip-up.d script if you want.