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New critical GLibc vulnerability discovered

02/17/2016 | Internet hosting |

Googles online security research team has discovered a new vulnerability which affects glibc versions from 2.9 and higher. The glibc DNS client side resolve is vulnerable to a stack based buffer overflow when the getaddrinfo() library function is used. This function performs domain-name lookups, the buffer overflow bug allows attackers to execute malcious codes.

 

How it can affect your system depends on many factors but if you run any of these versions you should definitely update as soon as possible. The maintainers of glibc have already released an update that patches the vulnerability.

 

 

 

Determining vulnerability

The easiest way to check for the vulnerability is the Red Hat Access Lab: glibc (GHOST) Detector. Make sure that you have installed the correct version. When your system is affected you should reboot the system or restart all affected services. This vulnerability can affect a large amount of applications, so the safest way is to restart the system just to be sure that the updated glibc version is installed on every application.

 

If you are not able to restart your system after your update, you can execute the following command to list all running processes that are still using the old version of glibc.

 

lsof +c0 -d DEL | awk 'NR==1 || /libc-/ {print $2,$1,$4,$NF}' | column -t

 

The result list will help you to identify the public-facing services and restart them.



How to use our Auto renewal service in SnelPanel

02/11/2016 | Internet hosting |

Remembering when your server needs to be renewed is something you can easily forget, especially when you are so busy or when you are on a business trip. To make things easier for yourself you can use ...


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Scheduled network maintenance on December 15, 2015

12/11/2015 | Internet hosting |

We have been testing our routers extensively since our routers are installed (July 15, 2015) and now we will proceed in finalising the network upgrade.   On December 15, 2015 at 00:00 - 06:00 ( ...


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Which server do I need for streaming?

11/03/2015 | Internet hosting |

If you’re considering a dedicated server for streaming, first thing that will come up to your mind is probably how much memory you need.   Applications like heavy games, chat servers, vid ...


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A Few Differences between Linux and Windows Hosting

10/21/2015 | Internet hosting |

Linux and Windows Server are two different types of operating sytems. Linux is the kernel for free and open source operating systems. Windows on the other hand, is a commercial operating system. There ...


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XenServer 6.5 SP 1 is available on our website and SnelPanel

08/13/2015 | Internet hosting |

XenServer 6.5.0 Service Pack 1 is now available on our website and SnelPanel, time to highlight a few features of this latest version.   Better VM density up to 1000 VMs per host Virtual machi ...


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SSD or SATA server?

07/31/2015 | Internet hosting |

Getting the right hard drive can affect the performance of your dedicated server that’s why you should ask yourself which hard drive you want to use for your data. In order to make the right dec ...


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RAID - How does it work?

07/20/2015 | Internet hosting |

What is RAID, why do you need it and why are the different RAID levels so important? RAID stands for redundant array of independent disks. It is a technique that was developed to provide speed, reliab ...


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New Dell servers with iDRAC 8 Enterprise are available now

07/15/2015 | Internet hosting |

We now offer Dell PowerEdge 13th generation servers with iDrac 8 Enterprise. This line comes with several design and firmware improvements that will boost the performance of your dedicated server. ...


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Which CMS you should choose

07/10/2015 | Internet hosting |

When you’ve decided to create a website or to start a blog the first question that you are going to ask yourself is, which content management system you need to use.   The most popular a ...


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Here are 4 out of 12 reasons why you should choose SnelServer.com

Bandwidth pooling

Other providers require extra money for bandwidth you may not even need. SnelServer.com differs from other providers by providing bandwidth pooling across all your servers at no extra cost. If your other servers have plenty of bandwidth left, we allow you to pool the bandwidth to another server that requires more. This enables you to save money and you can use your dedicated server more efficiently.

99,9% uptime

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Enterprise servers

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