Infusion Technology Solutions Blog
Technology related solutions, tips, tricks, and other interesting topics
Posts Tagged ‘firewall’
IP Address Ranges for Countries
In: General IT Info
18 Jan 2009If you need to know what IP address ranges are allocated for an entire country, you can download a list for each country from the IPdeny website. This would be useful if you wanted to just firewall block an entire country from accessing your server like all of those hackers in China hammering your SSH [...]
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- Tags: cidr, country ip range, firewall, ip address, ip ranges
How to Block an IP Range with IPTables
22 Aug 2008If you want to block a range of IP addresses from accessing your CentOS server you can issue the following IPTables firewall command: /sbin/iptables -I INPUT -m iprange –src-range 192.168.1.1-192.168.1.2.100 -j DROP Replace “192.168.1.1-192.168.1.2.100″ with the IP range you want to block. This command only works with the IPTables firewall so if your operating system [...]
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- Tags: block ip, centos, deny, firewall, ip range, iptables, iptables firewall, linux, spammers
How to Change the Port on NX Server
In: General IT Info
28 May 2008NX Server is a commercial application released by the company NoMachine. It allows you to connect to your Linux server similar to how you would connect to a Windows computer using remote desktop. NoMachine offers a free version of the product which has a restriction of only allowing 2 simultaneous connections to the server. NX [...]
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This blog is about technology related topics. It will primarily contain problems and solutions to IT problems that I encounter on a day-to-day basis. In addition interesting things I come across either on or off the internet will be posted here as well. I will also include step-by-step tutorials to common tasks people may need to do with their computers.
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- Alshe Dupur: Thanks for the great tips. I need this badly... :) [...]
- hosni: thank you , thank you , thank you [...]
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