attacker
ICMP Redirects Send and Accept are by default enabled on most of the linux flavours including Debian, Ubuntu, Redhat Enterprise Linux, Suse Linux. While ICMP Redirects are not the very efficient way to update a hosts Routing table of an optimal route to a target destination, it can cause serious security concerns where a hacker [...]
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Worries that the notorious Conficker worm will somehow rise up and devastate the Internet on April 1 are misplaced, security experts said Friday. Conficker is thought to have infected more than 10 million PCs worldwide, and researchers estimate that several million of these machines remain infected. If the criminals who created the network wanted to, [...]
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This information provided IT Pro customers the information they need to help protect their systems from the Conficker Worm, or to recover systems that have been infected. If you are a consumer, please visit Protect Yourself from the Conficker Computer Worm. About Conficker On October 23, 2008, Microsoft released a critical security update, MS08-067, to [...]
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As April Fool’s Day draws closer, Windows XP and Windows 2000 users are being advised by security experts to brace themselves against the third variant of the deadly Conficker worm which may begin a new cycle of spreading spam, stealing data or carrying out online scams. Conficker, a new breed of self-updating PC worms that [...]
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Sometime it is necessary to block incoming connection or traffic from specific remote host. iptables is administration tool for IPv4 packet filtering and NAT under Linux kernel. Following tip will help you to block attacker or spammers IP address. Â The blocklist is create with an API I wrote and you can use wget to update [...]
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Data Execution Prevention (DEP) is a Windows Vista security feature that can help prevent damage to your computer from viruses and other security threats by monitoring your programs to make sure that they use system memory safely. If DEP notices a program on your computer using memory incorrectly, it closes the program and notifies you. [...]
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 xinetd, the eXtended InterNET Daemon, is an open-source daemon which runs on many Linux and Unix systems and manages Internet-based connectivity. It offers a more secure extension to or version of inetd, the Internet daemon. xinetd performs the same function as inetd: it starts programs that provide Internet services. Instead of having such servers started [...]
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When you connect to a MySQL server, you should use a password. The password is not transmitted in clear text over the connection. Password handling during the client connection sequence was upgraded in MySQL 4.1.1 to be very secure. If you are still using pre-4.1.1-style passwords, the encryption algorithm is not as strong as the [...]
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