Infusion Technology Solutions Blog
Technology related solutions, tips, tricks, and other interesting topics
Archive for the ‘Information Security’ Category
A Splunk server I installed was configured such that it could only communicate with hosts within the corporate network so it did not have direct internet access. This posed a problem when trying to use the “Browse Splunkbase” option in the Splunk administrator web interface. I also could not use the “iplocation” data-processing command.
This was [...]
Firestarter is a GNOME program which offers a GUI interface to the IP Tables firewall.
If you have Firestarter configured to allow all IPs addresses to all ports or a particular port on your server, you can’t block a specific IP from accessing those ports using the GUI interface. However, Firestarter does allow you to manually [...]
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 is using [...]
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- Tags: block ip, centos, deny, firewall, ip range, iptables, iptables firewall, linux, spammers
The NSA recently declassified a document which revels the story behind how the United States first discovered the security threat of TEMPEST. TEMPEST is defined in Wikipedia as:
TEMPEST is a codename referring to investigations and studies of compromising emanations (CE). Compromising emanations are defined as unintentional intelligence-bearing signals which, if intercepted and analyzed, disclose the [...]
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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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- Don Farland: The http_proxy environment variable is case sensitive and should be all lowercase. I dropped it in [...]
- brad: I can confirm that this works for the newest 3.0+ software. works like a charm thanks to the creator [...]
- Jim Tidmore: Hello, I believe I followed everything but doesn't connect, don't get me wrong I am not complaining [...]
- Tom: Thanks for the clear and concise information. Tom [...]
- JAUHDIMATA: good solved.. thx [...]
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- Mysqldump Error 29
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