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FreeBSD Security Advisory 2003.3
Posted Feb 25, 2003
Authored by The FreeBSD Project | Site freebsd.org

FreeBSD Security Advisory FreeBSD-SA-03:03 - The FreeBSD syncookie implementation uses keys that are only 32 bits in length, allowing remote attackers to recover the ISN, which can be valid for up to four seconds, allowing ACL's to be bypassed and TCP connections forged. syncookies may be disabled using the 'net.inet.tcp.syncookies' sysctl(8) by running the following command as root: "sysctl net.inet.tcp.syncookies=0".

tags | remote, root, tcp
systems | freebsd
SHA-256 | f1a19443f25751c44cb233a1222d580467975bb2b27cfee7560380c7d12c6f71

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