Knowledge Base
On occasion we receive a request seeking assistance creating monitors to determine the availability of Microsoft Exchange, such as Internet-facing ActiveSync or OWA. After helping many customers, we have determined what works well, and what doesn’t work at all. Here are our tried and true suggestions for reliably monitoring your Exchange environment. Exchange 2013, 2016 […]
View articleThere are a few steps involved to successfully export SSL certificates from Microsoft IIS. Essentially, it needs to be exported, run through openssl to separate the key from the cert and split into two files. The two files can then be loaded into the interface. If you already have a key and cert file because […]
View articleIf you’re like many of our clients, you not only want to retrieve the original client IP for your web server logs, but you want to use them in code as well… for example, to track invalid login attempts, or record the IP in a database for online payments etc. (NOTE: If you need the […]
View articleThe device “weight” select menu shown at the far right of your server or device within a Server Group allows you to adjust how traffic is distributed by the load balancer when you have two or more devices in a configuration. In essence, the higher the number, the heavier the weight, and the more traffic […]
View articleYou can obtain IPv4 and IPv6 addresses by going to the ACCOUNT section in the upper-right corner of the portal, and then selecting the IP ADDRESSES tab. From there you can choose one or more available IP addresses to add to your account for use when publishing an ALF Pack (configuration). IP Addresses are available […]
View articleYou can configure any monitor to test your server(s) as often as once per minute (the test “Interval”). Additionally, you can configure these parameters: Response Time-out (in seconds) – This is how long the monitor will wait for a particular test to come back positive or negative. Down Time (in seconds) – This is a […]
View articleOur DNS Failover monitoring and Cloud Networking solutions (e.g. Load Balancing, firewall) have the ability to send email alerts when devices go up or down. In order to create an alert list and assign it to your failover pool, follow these steps: Go to the ACCOUNT link in the upper-right corner of the management portal. […]
View articleThe recommended way to monitor any type of database, including Microsoft SQL Server, is to create a hidden web-page in IIS, Apache or whatever you’re using, that does a specific database query, and when successfully completed, sends a word (e.g. “OK”) to the web browser. This method is secure because you need not open SQL […]
View articleYes, absolutely. When creating an HTTP monitor, you can go to the SPECIAL PARAMETERS tab and adjust the HTTP Request value to look for your special page. By default the HTTP Request value is “HEAD /”. If, for example, you wanted to test the page at http://www.mydomain.com/test.php, you would change the value in the HTTP Request […]
View articleYes, absolutely. This is a very common use for our DNS Failover service. While some customers use it to switch between servers at different datacenters, it works very well to switch between the same server that has two different public IP addresses at the same location or datacenter (e.g. two ISPs, two WAN connections etc.) DNS […]
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