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Server Security

How to find out the spam mailing script’s location – Exim

The Exim mail server has a lot of options/commands to find out the details of spammers easily from the command line. We can find out the mail queue details, spam mail sender details, spam mail counts etc from the link I mentioned above. Here is a script/piped-command to find out the spam mailing script’s location/folder in the server. It would …

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Open SSL Heartbleed vulnerability – A complete check and fix

In this time, we all are aware about the new Open SSL Heartbleed vulnerability. The Heartbleed bug allows anyone on the Internet to read the memory of the systems protected by the vulnerable versions of the OpenSSL software. You will get more details from this link Heartbleed. The open SSL version 1.0.1 version has vulnerabilities except 1.0.1g and other versions. Different communities …

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How to Install and Configure maldet (Linux Malware Detect – LMD)

Maldet also known as Linux Malware Detect virus scanner for Linux. Linux Malware Detect (LMD) is a malware scanner for Linux released under the GNU GPLv2 license, that is designed around the threats faced in shared hosted environments. It uses threat data from network edge intrusion detection systems to extract malware that is actively being used in attacks and generates …

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ConfigServer Firewall : Error starting CSF /sbin/ifconfig (ifconfig binary location) -v does not exist!

Having such issue starting/stopping CSF on RHEL/CentOS 7? # csf -x *WARNING* URLGET set to use LWP but perl module is not installed, reverting to HTTP::Tiny You have an unresolved error when starting csf: Error: /sbin/ifconfig (ifconfig binary location) -v does not exist!, at line 2510 in /usr/sbin/csf You need to restart csf successfully to remove this warning, or delete …

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