Kategoriarkiv: Security

Fail2ban crash course

Just install fail2ban and the default settings will keep you protected just fine, after five failed login attempts the ip address of the offending login will be blocked for 10 minutes using iptables. If you wish to keep tap on … Læs resten

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How to make courier SSL certificates.

See http://milliwaysconsulting.net/support/systems/courier-ssl.html for original version. We use courier imap for imap and pop connectivity. After a standard install you have to use ‘mkimapdcert’ and ‘mkpop3dcert’ to generate the SSL certificates. This will cause clients (such as outlook) to present the … Læs resten

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Record honeypot activity

Keep track of everything that happens on your honeypot. Once an attacker has fallen prey to your honeypot and gained access to it, it is critical that you monitor all activity on that machine. By monitoring every tiny bit of … Læs resten

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web Frontend to SNORT

Use ACID to make sense of your IDS logs. Once you have set up Snort to log information to your database [Hack #82] ), you may find it hard to cope with all the data that it generates. Very busy … Læs resten

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Detect intrusions with snort

Use one of the most powerful (and free) network intrusion detection systems available to help you keep an eye on your network. Monitoring your logs can take you only so far in detecting intrusions. If the logs are being generated … Læs resten

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Installing nessus

# lynx -source http://install.nessus.org | sh ——————————————————————————– NESSUS INSTALLATION SCRIPT ——————————————————————————– This script will retrieve the latest version of Nessus via CVS, and will compile and install it on your system. To run this script, you must know the root … Læs resten

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Distribute your CA to clients

Be sure all of your clients trust your new Certificate Authority. Once you have created a Certificate Authority (CA) [Hack #45], any certificates that are signed by your CA will be trusted by any program that trusts your CA. To … Læs resten

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Blaster removal

http://securityresponse.symantec.com/avcenter/venc/data/w32.blaster.worm.html

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Blaster removal

http://securityresponse.symantec.com/avcenter/venc/data/w32.blaster.worm.html

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Strong passwords

1. Pick a sentence that has meaning for you and that you will remember. i.e. I work at cox today. 2. All consonants (or all vowels) become UPPERCASE characters. 3. All vowels (or all consonants as it is the opposite … Læs resten

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