Packet Storm - Information Security News, Files, Tools, Exploits, Advisories and Whitepapers http://packetstormsecurity.org/ en-us Mon, 28 May 2012 12:17:17 GMT 144400 http://packetstormsecurity.org/ http://www.google-analytics.com/__utm.gif?utmwv=1.3&utmn=2241694975&utmcs=ISO-8859-1&utmsr=31337x31337&utmsc=32-bit&utmul=en-us&utmje=0&utmfl=-&utmcn=1&utmdt=Files%u2248%20Packet%20Storm&utmhn=packetstormsecurity.org&utmr=-&utmp=%2Flinux%2Fsecurity%2FSysctl.sh%2F&utmac=UA-18885198-1&utmcc=__utma%3D32867617.2241694975.1338207437.1338207437.1338207437.1%3B%2B__utmz%3D32867617.1338207437.1.1.utmccn%3D(direct)%7Cutmcsr%3D(direct)%7Cutmcmd%3D(none) http://packetstormsecurity.org/files/22155/Sysctl.sh http://packetstormsecurity.org/files/22155/Sysctl.sh http://packetstormsecurity.org/files/22155/Sysctl.sh.html Mon, 19 Jun 2000 05:21:13 GMT Using the sysctl support in linux to enhance a system security against outside attacks. Includes a script to optimize these settings by echoing values to /proc/sys/net/ipv4/*, turning on kernel security features which lessen the effect of SYN floods, smurf attacks, and turn on source validation by reversed path to add more protection against spoofed packets. Tested on linux 2.2.x.