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12%
Enlarging the TCP initial window
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Jani Brumat on Unsplash
Most Internet services rely on the Transmission Control Protocol (TCP), an interprocess communication protocol that dates back to the 1980s, an era when data streams were more like trickles by today
12%
Border Gateway Protocol
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Rachael Arnott, 123RF.com
). If router A in AS 64496 with an IP address of 192.0.2.1 wants to peer with router B in AS 64500 and IP address 192.0.2.2, router A must store the neighbor 192.0.2.2 with AS 64500 and router B the peer 192.0.2 ... We look at the Border Gateway Protocol, how it routes packets through the Internet, its weaknesses, and some hardening strategies.
12%
SHA-3 – The new hash standard
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Warakorn Harnprasop, 133RF.com
signatures. And the successors of SSL, TLS 1.0 and 1.1, do not improve on this; it is not until TLS 1.2 that TLS began to support newer algorithms with SHA-2. On the server side, you need version 1.0 ... NIST has chosen the Keccak algorithm as the new cryptographic hash standard but, in real life, many users are still waiting to move to its predecessor SHA-2.
12%
News for Admins
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
© Elnur Amiskishiyev, 123RF.com
stories continue to evolve, these companies will be on their toes to keep up with new discoveries. Docker EE 2.0 Announced Docker Inc. has announced the release of Docker Enterprise Edition (EE) 2.0 ... Meltdown and Spectre revisit Intel, AMD, and ARM processors, Orangeworm, a new hacking group, targets the healthcare industry, Docker EE 2.0 announced, Remote code execution vulnerability found
12%
Check your VoIP networks with SIPVicious and sngrep
30.11.2025
Home »  Archive  »  2025  »  Issue 90 VoIP N...  » 
Photo by Quino Al on Unsplash
(6192 bits), 774 bytes captured (6192 bits) Ethernet II, Src: 00:1a:2b:3c:4d:5e, Dst: 00:6f:7g:8h:9i:0j Internet Protocol Version 4, Src: 192.168.1.101, Dst: 192.168.1.104 User Datagram Protocol, Src Port
12%
Securing and managing Microsoft IIS
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
-SelfSignedCertificate cmdlet. To create a self-signed certificate for a web page (Figure 5), type: New-SelfSignedCertificate -CertStoreLocation '' -DnsName '<s2.joos.int>' The certificate ... If you use IIS on Windows servers, you can fully access the web server's features and manage it effectively with on-board tools, including the well-known Internet Information Services (IIS) Manager
12%
Creating a redundant array of inexpensive links
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Spectral, Fotolia.com
; in the simplest case, this means simply doubling the number of disks in a mirroring RAID [2]. This isn't quite as easy for access lines. In the classic setup for this scenario, at least two Internet providers ... The Fault Tolerant Router daemon uses multipath routing among multiple Internet connections to keep you connected, even when some connections go down.
12%
Google Cloud Storage for backups
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © lightwise, 123RF.com
anywhere on the Internet with a REST-flavored API (AWS S3 historically also supports SOAP and BitTorrent) or with a program based on one of the supported SDKs. In fact, GCS buckets and objects ... We compare Google Cloud Storage for Internet-based backups with Amazon S3.
11%
Foundries.io IoT development platform
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Photo by Juan Rumimpunu on Unsplash
access to the Internet at its location, which is not a problem in most cases. Most providers integrate their IoT devices into existing WiFi networks that have a connection to the Internet. The provider ... Foundries.io is a modular system for companies wanting to develop Internet of Things applications for devices.
11%
TLS 1.3 and the return of common sense
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image Creative Commons CC0 TheDigitalArtist Pixabay
.), the Internet Engineering Task Force (IETF) has disallowed RSA-based key transport in TLS 1.3. The key exchange now relies on elliptic curve Diffie-Hellman key exchange (ECDHE) or DHE, in either case ... After a decade in service, TLS 1.2 is showing many signs of aging. Its immediate successor, TLS 1.3, has earned the approval of the IETF. Some major changes are on the way.

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