uncleflo
Registered since September 28th, 2017
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Tag selected: firewall.
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Memory Usage Test to See Which is the Lightest Antivirus Software • Raymond.CC - Page 2
Saved by uncleflo on January 19th, 2021.
The result tables are simply split into two, one for the idle memory usage and one for the usage during a virus scan, both in alphabetical order. The colors are self explanatory with green the lightest antivirus and yellow second best. At the other end, red is the heaviest and orange the next most memory hungry. While these results obviously test the antivirus memory usage, they don’t take into account the features present in each application and its detection rates. Therefore you shouldn’t automatically assume lighter is better because a more memory efficient program might not have the amount of features of an antivirus using a few more Megabytes. If your current package is hungry for memory, this does give you a good idea of what the lightest antivirus packages are that you might like to look at a bit closer.
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How do I allow MySQL connections through SELinux? - Server Fault
Saved by uncleflo on July 11th, 2019.
I'd like to for once leave SELinux running on a server for the alleged increased security. I usually disable SELinux to get anything to work. How do I tell SELinux to allow MySQL connections? The most I've found in the documentation is this line from mysql.com: If you are running under Linux and Security-Enhanced Linux (SELinux) is enabled, make sure you have disabled SELinux protection for the mysqld process.
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NFS - which ports to open? - Storage - Discussions
Saved by uncleflo on December 23rd, 2018.
No problem connecting to NFS with firewalls disabled,but even with TCPView it's not obvious which ports require opening.
We've opened port 2049 for both UDP and TCP and all seems well, but there's a selection of ports mentioned across the web for NFS. So with XenServer just 2049? Sharing filesystems by NFS: Regardless of which choice is made for ID mapping you will need to adjust any firewall the system is using so that NFS clients can communicate with the server. You will need to ensure that the following ports are open before sharing any filesystem: UDP: 111, 1039, 1047, 1048 and 2049. TCP: 111, 1039, 1047, 1048 and 2049. See _this article_ Tobias
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flawless application delivery for the modern web
Saved by uncleflo on December 27th, 2017.
I evaluated NGINX Plus and was amazed at its power. The benchmarks just blew me away. The amount of traffic that NGINX Plus can handle is unreal – even beyond our needs. Availability and scalability are incredibly important, but security is most important for us. With the ability to meet our security requirements and stay ahead of the curve, NGINX Plus is our vehicle for moving forward. NGINX Plus gives us flexibility in our underlying cloud platform to innovate faster. It enables us to be more responsive to our customers and provide them with the level of scale and performance they need. We had an expensive upgrade coming up with our current load balancing provider, so we looked at alternatives. We found that we could do more with NGINX Plus and do it at a quarter of the cost at most.
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44.2. Administrator Control of SELinux
Saved by uncleflo on March 26th, 2015.
In addition to the tasks often performed by users in Section 44.1, “End User Control of SELinux”, SELinux administrators could be expected to perform a number of additional tasks. These tasks typically require root access to the system. Such tasks are significantly easier under the targeted policy. For example, there is no need to consider adding, editing, or deleting Linux users from the SELinux users, nor do you need to consider roles. This section covers the types of tasks required of an administrator who maintains Red Hat Enterprise Linux running SELinux.
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HowTos/Network/IPTables - CentOS Wiki
Saved by uncleflo on September 12th, 2013.
CentOS has an extremely powerful firewall built in, commonly referred to as iptables, but more accurately is iptables/netfilter. Iptables is the userspace module, the bit that you, the user, interact with at the command line to enter firewall rules into predefined tables. Netfilter is a kernel module, built into the kernel, that actually does the filtering. There are many GUI front ends for iptables that allow users to add or define rules based on a point and click user interface, but these often lack the flexibility of using the command line interface and limit the users understanding of what's really happening. We're going to learn the command line interface of iptables.
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ConfigServer Security & Firewall
Saved by uncleflo on September 12th, 2013.
The reason we have developed this suite is that we have found over the years of providing server services that many of the tools available for the task are either over-complex, not user friendly, or simply aren't as effective as they could be. We have developed an SPI iptables firewall that is comprehensive, straight-forward, easy and flexible to configure. Login Failure Daemon (lfd): To complement the ConfigServer Firewall (csf), we have developed a Login Failure Daemon (lfd) process that runs all the time and periodically (every X seconds) scans the latest log file entries for login attempts against your server that continually fail within a short period of time. Such attempts are often called "Brute-force attacks" and the daemon process responds very quickly to such patterns and blocks offending IP's quickly.
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iptables Tips and Tricks: CSF Configuration – SoftLayer Blog
Saved by uncleflo on September 12th, 2013.
In our last “iptables Tips and Tricks” installment, we talked about Advanced Policy Firewall (APF) configuration, so it should come as no surprise that in this installment, we’re turning our attention to ConfigServer Security & Firewall (CSF). Before we get started, you should probably run through the list of warnings I include at the top of the APF blog post and make sure you have your Band-Aid ready in case you need it.
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Managing iptables through CSF (Linux Command Line) : KB.IWEB.COM
Saved by uncleflo on September 12th, 2013.
iptables is the standard Linux firewall. It is extremely powerful and customizable, but can also be incredibly complex to manage as a result. For this reason, iWeb recommends ConfigServer Security & Firewall (CSF) to manage your iptables configuration. CSF is a simplified interface that makes it easy to add or remove IP addresses from your firewall. This article will discuss managing CSF and iptables from the command line. If you are running WHM/cPanel, please consult the Knowledge Base article specifically for WHM/cPanel. If you wish to manage iptables directly, please consult our iptables Knowledge Base article.
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ConfigServer Security & Firewall
Saved by uncleflo on August 31st, 2013.
We have developed an SPI iptables firewall that is comprehensive, straight-forward, easy and flexible to configure To complement the ConfigServer Firewall (csf), we have developed a Login Failure Daemon (lfd) process that runs all the time and periodically (every X seconds) scans the latest log file entries for login attempts against your server that continually fail within a short period of time. Such attempts are often called "Brute-force attacks" and the daemon process responds very quickly to such patterns and blocks offending IP's quickly. Other similar products run every x minutes via cron and as such often miss break-in attempts until after they've finished, our daemon eliminates such long waits and makes it much more effective at performing its task.
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Install CSF/LFD Firewall on your Linux Server - Linux Brigade
Saved by uncleflo on August 31st, 2013.
The first thing on your mind when setting up a new Linux server (dedicated or VPS) is how you can increase security. One of the best tools in your bag of tricks should be the CSF (ConfigServer) LFD (Login Failure Daemon) firewall. CSF/LFD has their own script license, making it free of charge with no warranty or support. Before installing CSF, please disable other security applications such as denyhosts, fail2ban or cPanel’s cPHulk. Installation is a breeze and consists of the following commands:
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CentOS 6.4 Samba Server - Fedora 18 Samba Client Simple Example
Saved by uncleflo on July 24th, 2013.
CentOS 6.4 Samba Server - Fedora 18 Samba Client Simple Example From CentOS 6.4 Server
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Topic: Open Firewall Ports
Saved by uncleflo on May 20th, 2013.
You will need to open port 3306 TCP in the Windows firewall or any third party firewall for all software so it can communicate with MySQL. The server should have port 3306 TCP open both inbound and outbound (if using Windows 7 or higher)
On the server you should open port 3306 TCP .......on the workstations you should allow the applications through the firewall.
Since Windows has different versions and ways to open the firewall we have included some of the most popular methods.
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HowTos/SetUpSamba - CentOS Wiki
Saved by uncleflo on January 4th, 2013.
Samba is somewhat tricky to setup on CentOS due to both the firewall (iptables) and SELinux protection. This is actually a good thing, security is very important, but to get Samba to communicate outside the server we have to do some work and get some understanding as well.
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I-BlockList | Home
Saved by uncleflo on July 7th, 2010.
I-Blocklist is a site dedicated to the creation and distribution of quality IP lists for use with IP blockers such as PeerBlock, PeerGuardian, Protowall, and Moblock.
You can view the lists that we distribute on the Lists page.
Users that register have the ability to comment, submit ranges, and rate ranges.
Comments, bug reports, and suggestions can be submitted on the Support page.
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