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89%
DNS name resolution with HTTPS
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by saeed karimi on Unsplash
Internet (initially ARPANET and later NSFNET) began to grow, the manual overhead involved in maintaining the hostname file (/etc/hosts) exploded. The first draft defined in RFC882 and RFC883 turns 40 next
89%
Monitoring IPv6 with Wireshark
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Suzanne Tucker, 123RF.com
: The address is configured manually on the host. Modified IEEE EUI-64 format (according to RFC 4291): The host ID is derived from the MAC address of the network interface. Privacy Format (according to RFC
89%
Open source multipoint VPN with VyOS
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Photo by Damon Lam on Unsplash
Protocol (NHRP) as a way for the router to get details about its peer and published it as RFC 2332 [1]. Finally, the open source community has built its own implementation, OpenNHRP, and provides the code
89%
Setting up HTTP/2 for Nginx
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Ludomil Sawicki on Unsplash
of the website or application compared with their older counterparts. To illustrate, I will draw on two (extreme) examples: the web version of RFC 7540 [2] and a web application such as Google Docs. The RFC page
89%
Single sign-on with SSSD, LDAP, and Kerberos
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Anja Kaiser; Fotolia
objects, for example. A schema defines which information (attributes) can be used together. An /etc/dirsrv/schema/10rfc2307.ldif schema file on the 389 directory server defines the required attributes
88%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
-way handshake for establishing a connection. A request for comment (RFC) [8] has already been submitted to the Internet Engineering Task Force (IETF) [9]. The method, also known as silent port knocking
88%
Solving the security problems of encrypted DNS
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
DNSCrypt. Another possibility is DNS over TLS (DoT) [5], which routes DNS traffic over a TLS-encrypted connection on port 853. One of the protagonists of this protocol is Google. Android supports DoT from
88%
Secure your data channel with stunnel
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Petr Vaclavek, 123RF.com
is '^]'. 220 smtp.gmail.com ESMTP x20sm3297437wrg.52 - gsmtp    HELP    214 2.0.0 https://www.google.com/search?btnI=RFC+5321 x20sm3297437wrg.52 - gsmtp    QUIT    221 2.0.0 closing connection x20sm3297437
88%
Certificate security
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Jennifer Huls, 123RF.com
that a new approach (RFC 7469) enters the scene, geared to safeguard the world of SSL/TLS encryption. To be specific, this is an extension of the HTTP protocol. With the help of public key pinning, a host
88%
Border Gateway Protocol
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Rachael Arnott, 123RF.com
authentication options (TCP-AOs) method was developed as an optimized procedure and standardized in RFC5925. This procedure enables the key to be exchanged without interrupting the TCP session and, as a result

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