Archive for June, 2016

Amazon Elastic File System (Amazon EFS)

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EFS is a scalable file storage system that is used with Amazon EC2 Instances in AWS cloud. The storage capacity in EFS is elastic, which means your storage will automatically expand when the data is being written on the file system and vice versa. Amazon EFS uses NFS (version 4.1) protocol just like any other file system available. A single EFS file system can be used by multiple EC2 instances, so you won’t have to worry about syncing or replicating …

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Fighting Email Spoofing

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Email spoofing is the creation of email messages with a forged email address. This is a problem in email protocols by design because it does not have any mechanism for authentication, which is why all mail-servers allow modifying the FROM header.
-auth_sender someone@somemailserver.xyz
From:  foo@bar.com
To: janeDoe@bar.com
Subject: Your credit statement
In above example, the user is authenticating with a different account but he modified FROM to look like it originated from another location. Most common users fell for such …

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Improving Website Responsiveness via Efficient Action Plan

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Recently, a client encountered an issue regarding the responsiveness of his website. He was of the view that his website initially worked very smoothly but then all of a sudden failed to do so.
After initial assessment 24/7 Network Engineers came to know that his website was getting 25,000 unique visitors per day. It was a huge number considering that he was hosting it off a very small VPS. Also, the loading speed of website was slow.
24/7 Network Engineers …

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