Network Security
system security Linux network
system security Linux network The romanticized image of the digital nomad – a laptop on a sun-drenched balcony – rarely accounts for the actual friction of maintaining a professional development environment on the move. . The friction is amplified with Linux. We are looking for a setup that respects our kernel configurations, handles volatile network handovers, and maintains a strict security posture without the hand-holding of a consumer-grade OS – so, put simply, more than just a laptop and a sunny deck. The hardware is...
May 26, 2026
Server Securityopen-source Linux administration
open-source Linux administration Cron has existed in Unix and Linux environments for decades, handling backups, cleanup scripts, patching jobs, log rotation, monitoring tasks, and other maintenance work that administrators do not want to run manually. Most Linux servers rely on it constantly, which is exactly why attackers continue abusing it for persistence after a system has already been compromised. . Persistence through cron is not complicated. Attackers do not need a rootkit or advanced malware framework to maintain...
May 25, 2026
Vendors/Productssecurity breach linux
security breach linux A major internal repository breach at GitHub has exposed a critical and overlooked blind spot in Linux supply chain security. Kernel exploits, exposed SSH services, weak firewall rules, and vulnerable daemons dominated the Linux threat model for years, and in many environments, they still matter. But recent supply-chain incidents involving GitHub ecosystems, npm packages, and malicious developer tooling point somewhere else entirely: the developer workstation. . The breach matters because...
May 21, 2026
Security Trends access control multi-tenant
access control multi-tenant Linux administrators often face an ugly choice in the cloud: prioritize convenience and cost-efficiency by sharing infrastructure, or sacrifice those benefits for the sake of total isolation. Most modern Linux workloads don't live on their own private servers anymore. They live in shared environments like Kubernetes clusters, where multiple teams and services run side-by-side. It sounds efficient, and it usually is. . But cloud isolation isn't as ironclad as it looks on the diagram. If you...
May 21, 2026
Vendors/Productsincident response cloud security
incident response cloud security Managed Extended Detection and Response (MXDR) has become one of the most sought-after security services in the enterprise market — and with good reason. It promises the holy grail: broad visibility across endpoints, network, cloud, email, and identity, combined with the 24/7 human expertise most organizations simply cannot build in-house. . However, the rapid growth of the market has produced a wide range of providers whose capabilities vary considerably beneath the surface. Choosing the...
May 19, 2026
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67
network securityremote accessssh tunnelingUnderstanding SSH Tunneling As A Low-Cost VPN Solution for Remote Access
"If we see light at the end of the tunnel, it is the light of the oncoming train" ~ Robert Lowell. Oh yes, another good quote. This post is on SSH tunneling, or as I like to call it 'Poor Man's VPN'. Contrary to the sysadmin's popular belief, SSH tunneling actually can be very valuable use for both techies and home users. . I say contrary to popular belief because 'reverse tunneling' and tunneling http traffic through SSH can bypass firewalls and content filters. But this article isn't about how to violate your corporate internet use policy, it's about how to create SSH tunnels to make your life just a little bit easier. The link for this article located at Linux Journal is no longer available. . Discover the potential of SSH tunneling to offer straightforward remote connection options while fortifying your network's safety.. SSH Tunneling, VPN Alternative, Remote Access Solutions, Network Security Tips. . LinuxSecurity.com Team
Apr 02, 2012
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Cryptography
77
remote accessnetcatnetworking toolSafely Connect to Remote Servers through SSH Tunneling and Netcat
Vincent Danen explains how to use netcat with SSH tunneling when you need to create a secure connection to a server from a remote location.. SSH is a versatile protocol and OpenSSH, a versatile tool The link for this article located at TechRepublic is no longer available. . Discover the power of secure SSH tunneling using netcat, enabling effortless and safe remote server access with ease and reliability. SSH Tunneling, Secure Access, Remote Servers. . LinuxSecurity.com Team
Sep 30, 2009
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Server Security
74
online privacysquid proxysecure browsingBoost Online Privacy With Squid And SSH In Public Areas
"If you . Public areas that offer access to the Internet (airports, open wireless networks etc.) have no security in place. If you The link for this article located at Security-hacks is no longer available. . Enhance your internet security in communal areas by utilizing Squid combined with SSH for a more protected surfing experience.. Secure Browsing, Public Networks, Squid Proxy, SSH Tunneling, Online Privacy. . Bill Locke
Jul 19, 2007
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Network Security
83
remote accessfoss utilitiesssh tunnelingSecure Wi-Fi Traffic With FOSS Tools Through SSH Tunneling
A recent Slashdot item on Wi-Fi security was a timely reminder of the weaknesses of default Wi-Fi encryption protocols, and the dangers of using unencrypted, public Wi-Fi connections. Fortunately, you can use FOSS utilities to securely tunnel your Wi-Fi connection sessions and protect your Web and email traffic. . To facilitate encrypting your Wi-Fi traffic, first set up dynamic DNS service so you can locate your server when you're away from home. You then port-forward SSH connections through your router to an SSH server, configuring the server to accept only key-authenticated connections. You can then tunnel your email and Web traffic from a remote client through an encrypted SSH tunnel into your home network, and then on to the Internet. To start, be sure you have an SSH client on your laptop and a Linux server on your home network that is running the sshd daemon, and be sure that the server's iptables-based software firewall is configured to allow SSH connections. The link for this article located at Linux.com is no longer available. . Protect your internet connection by using dynamic DNS with open-source tools, ensuring encrypted Wi-Fi for safe remote access and improving security against cyber threats. Wi-Fi Encryption, FOSS Tools, SSH Tunneling, Remote Access, Dynamic DNS. . LinuxSecurity.com Team
Sep 12, 2006
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Hacks/Cracks
67
data encryptionfirewall managementftp securitySecure FTP vs. Standard FTP: Exploring Benefits of SSH Tunneling
This article will point out the differences between standard FTP and secure FTP using some real-world examples. Secure FTP solves the password security and port control problems by allowing the entire connection to take place through a single tunneled SSH connection. . . . . This article will point out the differences between standard FTP and secure FTP using some real-world examples. Secure FTP solves the password security and port control problems by allowing the entire connection to take place through a single tunneled SSH connection. If you're a firewall administrator (and most of us have learned to adopt this title in one form or another), your firewall rules just got easier. Now you can safely block your FTP ports access to the outside world - primarily the FTP default port, 21. The Secure FTP server has to be running OpenSSH, which accepts ssh1 and ssh2, and also needs to be running ftpd, the "normal" FTP daemon (more on this later). The Secure FTP client calls to the Secure FTP server on its SSH port. The server then connects internally to port 21, the FTP port, and tunnels the FTP data back across the SSH port to the client. To ensure the server is totally secure, you need to firewall off port 21 from outside access, only allowing the local host to connect to port 21. This is accomplished by either ipfw (firewalling) or tcpwrappers (under Unix, the hosts.allow file). The link for this article located at 8wire is no longer available. . FTP and SFTP are both file transfer methods, with SFTP providing enhanced security through encryption, ensuring safe data handling and user authentication. Secure FTP, SSH Tunnel, File Transfer Security. . LinuxSecurity.com Team
Jun 24, 2001
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Cryptography
67
network securityaccess controlwireless securityEffective SSH Tunneling Techniques to Enhance Wireless Security
They say that the Wired Equivalent Privacy protocol has been cracked. What's a wireless user to do? Tunnel. Secure Shell (SSH) is open, free, fast, secure, and easy to setup (once you know how). WEP has never provided much more than . . . . They say that the Wired Equivalent Privacy protocol has been cracked. What's a wireless user to do? Tunnel. Secure Shell (SSH) is open, free, fast, secure, and easy to setup (once you know how). WEP has never provided much more than a form of access control to your wireless nodes. With a shared private key, everyone participating in your network has the potential to eavesdrop on everyone else. You can try it for yourself; run tcpdump on your laptop, and watch the traffic going through your access point just fly by! Passwords, private e-mails, web traffic, everything could potentially be logged and pored over later by anyone who can associate with your access point. Plus, key management under 802.11b is difficult. Who wants to distribute a shared password, only to have to change it regularly (and revisit all of those clients who weren't adept enough to set it up themselves in the first place?) Some drivers try to cope with this by letting the user assign multiple keys and pick between them, but this just postpones the inevitable. . SSH tunneling facilitates secure communication over flawed WEP networks by creating an encrypted channel, ensuring users' data remains confidential and protected.. SSH Tunneling, Network Security, Wireless Security, Encryption Methods, Access Control. . LinuxSecurity.com Team
Feb 28, 2001
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Cryptography
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