letsencrypt.org

Let’s encrypt verlässt beta phase.

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Dieser Blog verwendet bereits seit einiger Zeit ein Zertifikat von Let’s encrypt. Die erste Verlängerung ist auch bereits überstanden, alles noch in der Beta Phase. Nun hat Let’s Encrypt verkündet die Beta Phase sei beendet. Kein Grund mehr also Zertifikate von Let’s Encrypt in Produktivsystemen einzusetzen.

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enisa.europa.eu

Webpages loading slow despite having a fast uplink. Searching for a faster name server might help.

In times were connection speed above 50 Mbit/s are normality, the transfer rate ist often not the issue when it comes to slow loading websites. Modern webpages often load many resources in the background slowing down the composition of the page on the screen.

Sometimes DNS server response times, can have a huge impact on this. Looking for faster name servers might help improve the load time of larger web pages significantly.

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letsencrypt.org

Let’s Encrypt: Public Beta – Starting with today, Let’s Encrypt is now open for everyone – Update

In the past Let’s Encrypt was only available via an invitation or by signing up to a waiting list. Starting with today Let’s Encrypt entered public beta meaning everybody can now start creating their own free certificates. General information regarding Let’s Encrypt and the differences over other CAs are covered in the article: “Let’s Encrypt initiative enters beta stage on December 3rd 2015“. Now we will start to create our own free domain validated certificates.

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ciscorouter.blog.com

Stalled connections using SCP/SFTP/SSH with large files through VPN connections

Sometimes you have to push data using SCP/SFTP/SSH via a VPN connection on a customer server. Especially if Cisco VPN hardware is being used and the files are large, the transfer sometimes is stalled and fails even. This also happens with other hardware as well and may be because of a poor implementation of SACK. It might help to switch SACK of in the kernel network stack.

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