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17h
comment How to prevent password bruteforce in web application?
Make sure you're using bcrypt for password storage.
2d
comment Mysql crashed showing following errors. Is this a hack?
@PavanKumarN If this fixes it, you have a serious security issue that your MySQL server is publicly accessible.
2d
comment Custom SSL cert (via SNI) over Cloudfront works for non-www requests but fails with www
Can you give us the actual domain, please?
2d
comment Emergency response CMS
Big +1 for using someone like WordPress.com for this.
May
20
comment Mysql crashed showing following errors. Is this a hack?
Why are what look like public IPs/hostnames connecting then?
May
20
comment Mysql crashed showing following errors. Is this a hack?
Is your MySQL installation open to the public internet?
May
19
answered What are the characteristics of the Meraki SpeedBurst traffic shaping algorithm?
May
19
comment What are the key differences between AWS Spot Instances and Google's Preemptible Instances?
They are essentially Google's equivalent offering. Prices are fixed where EC2's Spot Instances have fluctuating prices based on demand/bids. I imagine there are a variety of other differences.
May
19
comment Low CPU and Memory utilization. Does that mean server is healthy?
That's great. I'm just pointing out your monitoring needs to do more than check CPU/memory usage. You'll want to verify it works.
May
19
comment Low CPU and Memory utilization. Does that mean server is healthy?
Just based on that? No. Low load/RAM use could mean your important processes crashed and no one's able to do anything on the server, for example.
May
16
awarded  Enlightened
May
15
awarded  Nice Answer
May
15
awarded  Good Answer
May
14
comment Most efficient (time, cost) way to scrape 5 million web pages?
"Unmetered" usually means "we shut you off when we feel like it", in my experience.
May
14
comment EC2 to S3 upload speed decrease with increase in instances
Yeah, the new VPC endpoints are perfect for this. Must've been a few people hitting your use case for them to release it!
May
12
comment Is it safe to use S3 over HTTP from EC2, as opposed to HTTPS
@aaaristo If you're uploading to the same region, it shouldn't generally hit the public internet (which you can, again, verify with traceroute). There's also the new aws.amazon.com/blogs/aws/new-vpc-endpoint-for-amazon-s3 if you want to be explicit about it. It's always safer to use SSL, but if you're not the CIA or dealing with credit card numbers EC2->S3 will probably be just fine over HTTP.
May
11
comment Keyword search of Existing Registered Domains?
I would not expect Google to reliably index parked domains. They likely treat them as duplicate content and filter them out.
May
11
answered Keyword search of Existing Registered Domains?
May
9
comment Why sometimes AWS EC2 works really slow?
@whitesiroi Micro instances, by design, run fast for a while, then really slow. You do not want to use them for long, CPU intensive tasks like ffmpeg runs.
May
9
comment Why sometimes AWS EC2 works really slow?
Are you on a micro instance?