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Out of sudden, I cannot access my website

Symptom: You cannot access the website hosted at Vastspace but you can access others.
Most likely: Your network IP is blocked by our Firewall.
Why are you blocked by our Firewall?
Providers like us have a network mechanism to detect unusual network behaviours. Scanning open ports are the most common problem. Hackers find opened ports to attack a host has software vulnerabilities or loopholes.
We detect this type of scanning activity and block their IP address for a period of time. However, you can be the victim. Your computer and network are used as scanning tool if they are infected with malware/ backdoor.
If this happens, there are a few things that you can help us to determine;
  • Use a smartphone or device on a different network, example: LTE or mobile network to confirm your website is working.
  • If your website is working on the device on a different network, we can confirm your IP has been blocked for scanning activity.
  • At this stage, visit this website https://www.whatismyip.com/ to obtain the public IP address.
  • Report your problem and IP address to our support at [email protected]
  • Scan your computer or devices with latest virus definition. A deep scan is recommended.
This can be applied to email access.
FAQ on Web Hosting

FAQ on Web Hosting

Most Commonly Asked Questions On the subject of Web Hosting

Looking to get started with web hosting, but aren’t sure where to begin? We have you covered. In addition to our comprehensive evaluations, we’ve compiled answers to some of the most commonly asked questions to help you get started.

1 How do I choose a Web Hosting service? What should I look for?

When looking for the best Web Hosting service the market has to offer, take into account a few key factors.

Know your hosting desires. What kind of site are you building? Do you want to go with a popular Internet Host such as WordPress, or would you rather go for something a little different?
What are your prospective host’s reliability and uptime guarantees? It is crucial to choose a sponsor that operates 24/7 on a powerful server with stable network connections. 99.5% and above is the average recommended uptime score; anything below 99% is certainly unacceptable.
Research prices for both sign-up and renewal. Hosting deals, shared hosting especially, normally offer very low-cost signup charges but charge more for renewals. As a rule, any Sponsor that remains below $10.00 per month is acceptable. Any higher, you may be better off looking elsewhere with another provider.

2 What are some different types of Web Hosting?

Free Website Hosting- Free website hosting with a free domain name can, and will, save users hundreds of dollars when it comes to creating and publishing their sites. Providing customers with free of charge domain name registration, free website building tools and free of charge shared, or cloud, hosting services, free internet hosting services are the recommended choice for personal uses.
Paid Site Hosting- Paid website hosting solutions are the best option for business clientele as they provide their clients with all of the tools needed to create and sponsor a successful website, including sophisticated site builders, intuitive control panels, integrated SEO and traffic tracking tools, email marketing software and advertising credits, as well as virtually unlimited resources, guaranteed uptime and high server performance.
Global Web Hosting- Hosting your website globally will help ensure high server availability and performance by distributing loads amongst multiple, distantly located servers. For example, the top web hosts in Singapore provides local, and also global, users with high availability and solid server performance via the best in internet hosting.

3 What if I’m a newbie?

If you’re new to the game, get your feet wet first by going with a good shared environment provider. Cheap, easy to maintain, and adequate for most brand-new sites, you can navigate new waters easily and generally upgrade to VPS or dedicated hosting in the later on stage when you feel comfortable to expand.

The bottom line- in addition to helping users significantly boost their online presence, a good web host will ensure guaranteed uptime and solid server performance. Whether you are considering free website hosting (i.e. a free website with free of charge hosting and domain) or paid-for hosting for your site, we here at The Top 10 Sites are here to help. We strive to provide our users with comprehensive expert reviews, simple to review side-by-side assessment tables and sophisticated filtering tools, allowing you to make an informed decision with regards to choosing the best web hosting assistance for your website.

Do you need a Dedicated server?

This is a very common question, your customer will ask if they need a dedicated server. As a web hosting provider, I will choose to stay neutral. But when do I need a dedicated server?

A dedicated server has more hidden cost compares to a VPS. What are the hidden costs/? A dedicated server price tag has not included the followings; Backup, the larger the storage, get more expensive. More expensive Windows server license if you have more core CPU on a server. More expensive control panel license on a dedicated server. Traffic charges may or may not depends on the service provider.

But you have no choice if you need a dedicated server. The above will give you an idea the cost is not only on the server. When do you need a dedicated server? These are my thoughts and told to my customers.

  • Do you need more IP addresses? Most web hosting provider can offer more IP addresses for the dedicated server.
  • Do you expect a lot of traffic? If you have a busy network. A dedicated network port works better.
  • A lot of processes and high CPU utilization.
  • Want secure and privacy. VM is still not 100% secure-proof.
  • Need big storage. Per gigabyte storage is cheaper.
  • Got the budget.
  • Possible to plug in an external device. Example Portable USB Hard Drive.

 

Why I have chosen cheap web hosting, shared hosting?

Why I have chosen cheap web hosting, shared hosting?

Most have the idea that more expensive web hosting is better we bosting. Actually, it is not true. A shared web hosting might be good or enough for some users. If their website is hosted on a dedicated server, paying much more but they will unlikely see the difference. We call it overkill.

Most personal or small business website can use shared hosting. With Sucuri Web Application Firewall, you can still enjoy close to enterprise website protection. Plus the affordable monitoring from Sucuri, your shared hosting website is top notch in my perspective.

If you have met the following criteria, you can consider hosting your website on a shared hosting. 

  1. Got a very low budget < $100 per year.
  2. Only a WordPress website or something similar.
  3. I just want to introduce my business online.
  4. I want to create 5 or fewer email accounts.
  5. I update my website once a month the most.
  6. Sharing IP is alright as long they come to my website using my domain name.
  7. Only a few visitors each day, and do not have any online transaction.

If you have met most of it, you are safe to subscribe to a shared hosting.

 

Plesk Onyx vs cPanel

Plesk Onyx vs cPanel

I have used both web control panel. Even you are expert in your operating system. These control panels make your job easier and organised. If someone is asking, which control panel is better? My answer can be confusing, I will say it depend.

Yes, it depends on what you are planning to host and do. We put the monthly licence expense aside. These control panels have served the general purposes but in depth, there are differences. And these control panels have their strong and weak points. As a provider, here are my experiences.

  • in terms of UX and the layout, I will give the credit to Plesk. The login panel, the layout and the icons are much easier to navigate. Layman will find the essential functions after they logged in.
  • if you have an old website is using only PHP5.2 and cannot upgrade, I will suggest Plesk in this case The PHP select has a wider range.
  • backup function in cPanel has greater flexibility, offer more choices on the repository.
  • PHP extension with Apache in cPanel is compiled using Easy Apache with better compatibility.
  • more users and restrictions can be created in Plesk, ideal for the owner has engaged a 3rd party who need to access the control panel.
  • cPanel has only 1 license type on unlimited for both VPS and dedicated server. Plesk starts with 10 domains onward, can be confusing,
  • cPanel has more thleskPings and modules to install, thus it takes longer time.
  • Anti-virus is ClamAV on cPanel which is free. Plesk premium AntiVirus is free for 1st 10 and you need to pay for the license for additional mailboxes.
  • You get better settings on Anti-Spam for cPanel.
  • Plesk has firewall settings out of the box
  • Plesk is using postfix and cPanel s Exim for the mail server. Personally found postfix is less confusing.
  • cPanel has more security settings and better protection.
  • cPanel has more choice on using the different type of service like DNS, FTP etc.

These are some of the differences for both control panels. For a novice user, I will strongly recommend Plesk. However, cPanel has better control, especially you had been working with shell. Now, you can probably use cPanel to accomplish.

How to choose a good domain name?

I have worked in this industry for more than 2 decades, seen many domains had registered. In my own perspective and opinion, there are the rules for choosing the right domain name.

  • The domain name should not be more than 10 characters. Too lengthy domain name is difficult to remember,
  • Choose the domain TLD is related to the website, It is a personal blog,  will not consider .biz domain.
  • easy to recall or remember, related to the business name for example.
  • avoid the dash “-” in your domain name, most do not type or remember.
  • buy and registered the common TLD if possible like .com .net .sg .my for examples.
  • do mix the characters in the domain name with numbers.

What is DKIM?

Known as DomainKeys Identified Mail is for identification on email designed to prevent email spoofing. It allows the email server to check that the incoming email claimed to have come from a specific domain was authorized by the owner of that sending domain. It is intended to prevent forged sender addresses in emails, a technique often used in phishing and email spam.

In technical terms, DKIM lets a domain name associate its name with an email message by affixing a digital signature to it. Verification is carried out using the signer’s public key published in the DNS. A valid signature guarantees that some parts of the email (possibly including attachments) have not been modified since the signature was affixed. Usually, DKIM signatures are not visible to end-users, and are affixed or verified by the infrastructure rather than message’s authors and recipients. In that respect, DKIM differs from end-to-end digital signatures. Our virtuemail has the option for DKIM.  You can contact us o understand more.

OpenVZ vs KVM

OpenVZ is an OS-level virtualization technology. This means the host OS is partitioned into compartments/containers with resources assigned to each instance nested within.

In OpenVZ there are two types of resources, dedicated and burst. A dedicated resource is one where the VPS is guaranteed to get such if requested; these are “yours”. Burst resources come from the remaining unused capacity of the system. The system may allow one VPS to borrow resources like RAM from another VPS when the second one is not using them. Since it is borrowing, such resources have to be returned as soon as possible. Should the other VPS want their dedicated resources back, your processes might become unstable or terminated.

Since OpenVZ is an OS level virtualization, It consumes far less resources per VPS container than a full virtual environment. On two hosts with identical hardware and subscription rates, OpenVZ should perform better than KVM because it doesn’t do full emulation. For example, it doesn’t need to run multiple full OS kernels, as it can share the single kernel between multiple VPSes. The result is significant memory and CPU savings. In fact, most of the kernel memory usage is not charged to the VPS at all, instead it is only charged what each particular VPS needs in addition to the main kernel.

KVM is a hardware virtualization technology. This means the main OS on the server simulates hardware for another OS to run on top of it. It also acts as a hypervisor, managing and fairly distributing the shared resources like disk and network IO and CPU time.

KVM does not have burst resources; they are all dedicated or shared. This means resources like RAM and diskspace are usually much harder to overcommit without endangering all user data. The downside with KVM is that if the limits are hit, the VPS must either swap, incurring a major performance penalty, or start killing its processes. Unlike OpenVZ, KVM VPSes cannot get a temporary reprieve by borrowing from it’s peers as their dedicated resources are completely isolated.

Because KVM simulates hardware, you can run whatever kernel you like on it (within limits). This means KVM is not limited to the Linux kernel that is installed in the root node. KVM can also run other x86 operating systems like BSD and Microsoft Windows. Having a fully independent kernel means the VPS can make kernel modifications or load its own modules. This may be important because there are some more obscure features that OpenVZ does not support.

Why some go for shared web hosting?

Some might ask, why are they going for shared web hosting? While VPS at vastspace is so cheap and you get dedicated IP and services. Unlike the shared web hosting, everything is shared and you are paying extra for a dedicated IP. There are many reason why shared web hosting is better than VPS.

  • You don’t need a dedicated IP.
  • Less budget.
  • Cannot estimate the incoming traffic.
  • Managed and updated by web hosting provider.
  • Do not need the knowledge to operate a VPS.
  • You are not sending emails, shared IP may get black listed easily.
  • You want to use shared resources, so you can stretch when you need more for less populated and powerful server. May not the case while many web hosting provider can limit your resources especially in Linux.