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DDoS Protection

Discussion in 'Web hosting discussion' started by ericthomas, May 15, 2018.

  1. ericthomas

    ericthomas New Member

    How do you provide DDoS protection for a server ? I want to host a server from home and is concerned about DDoS. Do we need hardware to provide DDoS protection ? Thanks.
     
  2. wswd

    wswd Premium Premium Member

    Hosting a server from home is a VERY bad idea, unless you're just doing it for a personal server for a hobby as such. You can buy remote DDoS protection that gets filtered to your home IP, but it's not cheap.
     
    ericthomas likes this.
  3. ericthomas

    ericthomas New Member

    Other than DDoS, what will affect hosting websites on it ? Won't our ISP have some sort of DDoS protection inbuilt ?
     
  4. wswd

    wswd Premium Premium Member

    Probably not...no, as most residential IPs don't take DDoS attacks. If they do have some sort of protection in place, continued attacks are going to result in you being terminated.

    Other than DDoS? Redundant power. Uptime SLA, single-homed network (instead of a blend), slow upload speeds on your ISP, ISP TOS prohibiting hosting servers, etc.

    It's just not a great idea, especially if you are hosting clients on that server. Extremely bad idea.
     
    ericthomas likes this.
  5. ericthomas

    ericthomas New Member

    How is Cloudflare protection against DDoS ?
     
  6. wswd

    wswd Premium Premium Member

    It's not bad.
     
    ericthomas likes this.
  7. ericthomas

    ericthomas New Member

    I was told that DDoS is the biggest risk you face when you try and run a server from home. That's the reason I asked. :)
     
    wswd likes this.
  8. wswd

    wswd Premium Premium Member

    It is definitely one of the biggest issues for sure.
     
    ericthomas likes this.
  9. HostMantis

    HostMantis Member

    Anyone with any technical ability will be able to see the IP is on a residential network as well, so that's not going to be a good selling point.

    Also, on residential networks, SMTP is typically blocked by the ISP and they require you to use their SMTP servers to relay mail. So that is yet another obstacle.

    In the end, like another poster mentioned, hosting from home as a hobbyist? sure. As a "business", absolutely not.
     
  10. okayservers1

    okayservers1 New Member

    Most ISPs offer layer 3 and 4 DDoS protection to prevent organizations from being inundated during mass volumetric attacks. However, they do not have the ability to detect the smallest layer 7 attacks. Data centers should not rely solely on their ISPs for a complete DDoS solution, including application layer protection. Instead, they should consider implementing one of the following measures:

    1. DDoS Service Providers

    There are many cloud-based DDoS hosted solutions that provide Layer 3, 4, and 7 protection services. These range from low-cost projects for small websites to those for large enterprises that require multiple coverages. Websites, in general, are very easy to set up and are strongly encouraged by small and medium-sized enterprises. Most offer custom pricing options, and many have advanced layer 7 discovery services available to large organizations that require sensors to be installed in the data center. Many companies choose this option, but some companies face significant and unexpected overhead costs when they are hit by mass DDoS attacks.

    2. Firewall or IPS

    Almost all modern firewalls and intrusion prevention systems (IPS) claim a certain level of DDoS defense. New Generation Advanced Firewalls (NGFW) offer DDoS and IPS services and can protect against many DDoS attacks. Having a device for the firewall, IPS, and DDoS is easier to manage, but it can be overwhelmed by DDoS volumetric attacks and may not have the sophisticated detection mechanisms for layer 7 that other solutions have. Another caveat to consider is that enabling DDoS protection on the firewall or IPS can impact the overall performance of the single device, resulting in reduced throughput and increased latency for end users.

    3. Appliances Dedicated to the Protection of DDoS Attacks

    These are hardware devices that are deployed in a data center and used to detect and stop basic (layer 3 and 4) and advanced (layer 7) DDoS attacks. Deployed at the main point of entry for all web traffic, these appliances can both block mass volumetric attacks and monitor all incoming and outgoing network traffic to detect suspicious Layer 7 threat behaviors. A dedicated device and expenses are predictable because the cost is fixed regardless of the frequency of attacks. So, it doesn't matter if the company is attacked once in six months or every day. The negative aspects of this option are that these devices are additional hardware parts to manage,

    DDoS hardware dedicated hardware protection solutions exist in two main versions — one for telecom operators and one for enterprises. The former offers complete solutions designed for global ISP networks and are very expensive. Most organizations that want to protect their private data centers usually opt for business models that offer cost-effective DDoS detection and protection. Today's models can handle mass volumetric attacks and provide 100 percent protection for layers 3, 4, and 7 or can be used to supplement ISP-provided protection against mass DDoS attacks, provide detection. and protection for layer 7, even though these devices require an initial investment.

    Organizations should consider DDoS attack protection appliances that use behavior-based adaptation methods to identify threats. These appliances learn the basics of normal application activity and then monitor their traffic against these databases. This adaptation/learning approach has the advantage of protecting users from unknown zero-day attacks since the device does not need to wait for the signature files to be updated.

    DDoS attacks are on the rise for almost any organization, big or small. Potential threats and volumes increase as more and more devices, including mobile phones, access the Internet. If your organization has a Web property, the probability of being attacked has never been higher.

    The scalable nature of DDoS attacks means that businesses can no longer rely solely on their ISPs to protect themselves. Organizations need to start making changes for greater foresight and more proactive defenses for application and network-level services.
     
  11. Cloudcone

    Cloudcone New Member

    Hi :)

    DDoS attacks can be prevented by using VPNs. You can also create null routes to deviate the unwanted traffic down a different path than your usual traffic. Also make it a point to stay away from unnecessary, potentially negative attention on comments about your website. Make sure you also thoroughly monitor the performance and responsiveness of your website as much as possible to spot an attack.

    to learn more methods of preventing DDoS attacks, read this blog post.

    Hope this helped.
     

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